Ex Parte Reexamination Statistics II

Patent.Law088To get some sense of the PTO’s current ex parte reexamination practice, I looked at the 2000+ reexamination certificates that have been published in the Official Gazette since January 2000.  There are three potential outcomes for any particular reexamined claim: validity affirmed; validity affirmed with an amendment; and cancelled. In addition, claims may be added. 

Outcomes: From my sample, 71% of the completed reexaminations resulted in claims that were either amended or cancelled while only the remaining 29% resulted in all claims being confirmed. A much smaller number – 12% – of the reexaminations resulted in all claims being cancelled. 

The middle ground: 59% had at least one independent claim confirmed while 50% included at least one amended claim.  For the 34 completed design patent reexaminations, the single claim was confirmed as valid 16 times and cancelled 18 times.

Timing: The reexamination certificates in my sample had an average pendency of 33.5 months (median 28.5 months).* The PTO’s reported average and median are 24.0 months and 18.6 months respectively. The difference apparently comes from their inclusion of reexaminations from the 1980’s and 1990’s which had much lower pendency than more recent numbers. [PTO Data 1981-2007]. 

Outcome & Timing: Reexaminations that simply resulted in a confirmation that the the initial claims are valid were resolved more quickly (averaging 24 months) while those resulting in cancellation of all clams were much slower (averaging 45 months). Cases at the longer end of the spectrum often involved either BPAI appeals or lost files.

Patent.Law089

  • Thanks to several Patently-O readers for showing me how to find reexamination certificates. I was able to use the Westlaw database for this search. (Remember law school and the free academic access). The data can be compiled from the PTO OG, but that would be a larger job. The PTO does maintain a list of all the issued reexamination certificates here.
  • * I roughly calculated pendency by measuring the elapsed time from publication of a reexamination request to publication of the reexamination certificate.
  • Reexamination Statistics I

Federal Circuit Announces Proposed Amendments to Its Internal Operating Procedures

The Federal Circuit has proposed several amendments to its Internal Operating Procedures (IOP).  Comments on the proposed changes are due by July 18, 2008. Most of the proposed changes reflect current practice. [Proposed changes]

Notable changes include:

  • Motion practice: When a motion relates to an appeal that has already been remanded, the motion may be referred to the same panel for consideration.
  • Expedited Appeal: The ‘motion panel’ may choose to hear an appeal as the ‘merits panel’ upon granting a motion to expedite.
  • Confidential Material: Materials submitted subject to a protective order will be disposed of upon completion of the case.
  • Making orders Public: The old rules distinguished how precedential and non-precedential materials were publicized. Under the new rule, “all dispositions” are to be published in the daily disposition sheet.

John McCain’s Prize System: $300 Million for Battery Power

For a long time, monetary prizes have been offered as an alternative to patent rights as a mechanism for driving innovation. In 1714, for instance, the British Parliament offered £20,000 for a solution to the “longitude problem” – to determine the current longitude of a ship at sea. John Harrison solved that problem by creating an accurate mechanical clock set to GMT. Longitude was calculated as the difference between the ship’s local time (as measured by the sun) and GMT. [LINK]

Republican nominee John McCain recently proposed the American version: $300,000,000 “for the development of a battery package that has the size, capacity, cost and power to leap frog the commercially available plug-in hybrids or electric cars” – but that cost 30% less. The prize would be open to any company worldwide – so long as they planned to sell in the US. Although unclear, I suspect that the winner would also be able to protect its innovation through patents. In Harrison’s case, he was required to “surrender the innovation for public use.”

Unlike obtaining a patent, prize systems typically require that the technology be proven through actual monitored testing. That means the winner is more likely to bring the product to market. When thinking about this type of system, I like to compare prizes to patents and also to direct government funding (subsidy/grants). Table 1 below tells most of the story.

  

Patent

Grants

Prize

Success Required for Payout

Yes

No

Yes

Government Chooses Technology

No

Yes

Yes

Government Outlay of Funds

No

Yes

Yes

Provides Seed Money for Venture

No

Yes

No

Payout is driven by Market

Yes

No

No

Table 1

 

Notes:

  • Now Pending S.2210 is the “Medical Innovation Prize Act of 2007.” The act would attempt to “de-couple” the reward for pharmaceutical product research from the market price of the product. Unlike more traditional prizes, this one would not pre-select the goal. [LINK] In the mid 1990’s Economist Michael Kremer proposed that the government should buy-up important pharmaceutical patents and then dedicate them to the public.
  • Attorney/Entrepreneur Michael Martin adds his thoughts: Why the Venetians didn’t invent a Prize system for Inventions

Ninth Circuit Applies Federal Circuit Law in Interpreting Contract to Assign Patent Rights

Los Angeles Biomedical Research Institute v. White (9th Cir. 2008)

The Federal Circuit has repeatedly held that contracts to assign patent rights should be interpreted under state law. In a recent opinion, the Ninth Circuit came to the opposite conclusion — holding that “patent law terms” in an employment contract should be interpreted according to to patent law principles.

Dr. White’s Patent & Copyright Agreement with LA Biomed read as follows:

I understand and agree that every possibly patentable device, process, or product hereinafter referred to as “invention”, which I conceive and/or reduce to practice while employed by the Institute, or during the course of my utilization of any Institute research facilities, shall be examined by the Institute to determine rights and equities therein in accordance with the Institute’s Patent and Copyright Policy.

It appeared that the jury interpreted the contractual term “conceive” as a solo activity, while patent law allows for joint conception. The appeal focused on whether the jury should have been informed of law of inventorship and conception as it relates to patent law.

On appeal, the 9th Circuit first agreed that California law requires agreements regarding patent rights be interpreted according to standard contract law and are not generally bound by the limits of patent law. In this case, however, the appellate panel found that the patent laws should be applied in this case when interpreting the contract language. This case may well be unique because the contract specifically noted that patent law principles “shall be taken into consideration.”

Consequently, the court held that the jury should have been properly informed of the law of conception — especially as it relates to joint inventorship.  “[W]e conclude that it was clear error for the district court … exclude the co-inventorship language.”

Notes:

  • Read the decision [LINK].
  • Comment by Professor Mark Patterson: “The L.A. Biomed. case seems to me uncontroversial as a matter of contract law.  I would view it as saying that trade usage regarding patent law terms should be used to interpret contracts, just as trade usage is typically used in contract law.  And then the Federal Circuit’s decisions will be evidence of — indeed, an authoritative source of what is or will become — trade usage.  So I would say that the court is not so much applying Federal Circuit law directly as using it as evidence of trade usage.  I don’t anything in the opinion is inconsistent with that.”

Limiting the number of claims construed

Hearing Components v. Shure (E.D.Tex. 2008)

Prior to the Markman hearing, the parties jointly requested a page length exception for their briefs.  The problem, they argued, was that the three hearing aid patents in suit included a large number of disputed claims.

In a recent order, Eastern District of Texas Judge Clark denied that request and further ordered that “the parties shall elect no more than ten (10) disputed claim terms for construction … [based on] no more than three (3) representative claims from each patent for claim construction and trial.”

Judge Clark justified the limitation based on his duty to ensure a “just, speedy, and inexpensive determination of every action and proceeding.”  However, the decision opens the door for appeal for either party based on the Federal Circuit’s April 2008 decision in O2 Micro. In that case, the court held that it is the court’s duty to resolve claim construction disputes:

“When the parties raise an actual dispute regarding the proper scope of these claims, the court, not the jury, must resolve that dispute. . . . When the parties present a fundamental dispute regarding the scope of a claim term, it is the court’s duty to resolve it.” 

The resolution will be a middle ground that allows courts to control the trial process but gives litigants the right to have their disputes resolved. Perhaps the solution is to require some threshold explanation as to why each additional term needs to be construed.

 

Tags:

Tax Patent Legislation: Excusing Infringement of Patented Tax Planning Methods

Rep. Rick Boucher’s Bill to excuse infringement of patents covering tax planning methods now has 40 co-sponsors. However, its prospects for becoming law are still slim – only one of the co-sponsors is a member of the House IP Subcommittee which must approve the bill.

The proposal copies the language of the “medical practitioner’s performance of a medical activity” exclusion found under 35 USC 287(c). (Known as the Ganske compromise).  Under the proposed bill, unauthorized use of a patented tax planning method by a taxpayer or tax practitioner would not be considered infringement.

“With respect to the use by a taxpayer or a tax practitioner of a tax planning method that constitutes an infringement under subsection (a) or (b) of section 271, the provisions of sections 281, 283, 284, and 285 shall not apply against the taxpayer, the tax practitioner, or any related professional organization with respect to such tax planning method.”

A tax planning method is defined as any “plan, strategy, technique, or structure that is designed to reduce, minimize, or defer, or has, when implemented, the effect of reducing, minimizing or deferring, a taxpayer’s tax liability.” The proposal is careful to exclude “tax preparation software or other tools used solely to perform or model mathematical calculations or prepare tax or information returns.”  This language is potentially too loose — as most tax software does much more than perform math and prepare the return.

H. R. 2365

Patently-O Bits and Bytes No. 45 – Confidential Court Documents

  • Prior Art Blog updates us on Orion IP’s battle against online automobile retailers. [Spangenberg must pay $3.8 million in legal fees]
  • Mullin – operator of the Prior Art Blog – may agree with the outcome of the case, but faults W.D.Wisc. Judge Crabb for keeping nearly every filed document under seal. “For three months now [Judge] Crabb has operated a secret, closed court; I’ve read through hundreds of patent dockets and I’ve never seen anything like it.” [Updated June 20]
  • A recent study by Federal Judicial Center researcher Robert Reagan found that settlements of patent litigation are five-times more likely to be kept sealed than are settlements in other civil cases. Robert Reagan, The Hunt for Sealed Settlement Agreements, 81 Chi.-Kent L. Rev. 439 (2006).
  • Stanford v. Motorola (Fed. Cir. 2008)(Non-Precedential) (“we conclude that we cannot review the district court’s order without an explanation of the basis of the court’s decision.”).

Inequitable Conduct Based on Petition to Make Special

Scanner Technologies Corp. v. ICOS Vision Systems (Fed. Cir. 2008)

There are many companies that value quick prosecution and issuance. Yet, few have taken the PTO’s offer of accelerated examination (AE). Potential applicants avoid the accelerated examination program for several reasons – most of which are associated with the AE requirements to (i) search for prior art; (ii) identify all claimed elements found in each relevant reference; and additionally (iii) prepare an explanation of why the claims are patentable over the references. These AE requirements are costly and potentially open the applicant to charges of inequitable conduct (as well as narrow claim scope).

In this case, Scanner saw ICOS products at a trade show and subsequently filed a petition to make special in the hopes that its patent would issue more quickly. The petition argued that the petition should be granted based on ICOS products. The petition was granted and the patent issued within the year.

After Scanner sued for infringement, the district court found the patent unenforceable due to inequitable conduct in filing the petition to make special. On appeal, the CAFC reversed – but in the process revived aspects of the inequitable conduct inquiry. The particular conduct at issue included statements in the petition that infringement was clear even though the accused product had not been fully inspected.

Broad Concept of Materiality: Although inequitable conduct issues often focus on whether the misconduct was “material to patentability.” The CAFC began by quoting its own 1994 GE v. Samick opinions holding that a false statement in a petition to make special should be considered “material” if “it succeeds in prompting expedited consideration of the application.” This broad consideration of materiality follows the Nilssen decision holding that misrepresenting an applicant’s status as a small entity (in the payment of post issuance maintenance fees) may also be considered material.

“[W]e must reject Scanner’s view that inequitable conduct cannot be shown absent a misrepresentation that bears on the patentability of the claims in the application. When the setting involves a petition to make special, as is the case here, we reaffirm that a false statement that succeeds in expediting the application is, as a matter of law, material for purposes of assessing the issue of inequitable conduct.”

Reasonable Inferences Favor Patentee: Although the CAFC agreed that the type of conduct here could be inequitable conduct, this case did not present sufficient evidence. Because materiality and intent must both be proven with clear and convincing evidence, the appellate panel requires that all reasonable inferences be given weight:

“Whenever evidence proffered to show either materiality or intent is susceptible of multiple reasonable inferences, a district court clearly errs in overlooking one inference in favor of another equally reasonable inference.”

Because the CAFC found potential reasonable explanations for the claims of infringement, it held that those statements could not be considered false or misleading, and thus not material.

By clearing the inequitable conduct charges, Scanner avoids paying ICOS attorney fees. However, the CAFC affirmed that all claims of the patents were invalid and not infringed.

Notes:

  • Interesting statement: “We also affirm the district court’s judgment invalidating all claims of the patents in suit given the stipulation between the parties that the case would be tried on a representative claim.”

Prison: The last stand for land line phones.

TIP Systems v. Phillips & Brooks (PBG) (Fed. Cir. 2008)

“This is a patent infringement case pertaining to wall-mounted telephones designed for use by prison inmates.”  Both the accused device and the patents focus on a telephone system that operates without the dangers of a phone cord. However, the TIP patents require a “handset” mounted in the wall of the phone box with a mouthpiece that “extends through” the wall.  These claims are exemplified in the figures.

The accused devices do not use a traditional handset, but rather use a separate ear-piece and mouthpiece. In addition, the accused device wall is flush – and the mouthpiece does not break through the wall.

Questionable claims of infringement are naturally resolved by a Markman hearing and subsequent summary judgment of noninfringement. Here, the district court found (i) that the claimed handset must include a handle with both an ear-piece and mouthpiece and (ii) that the mouthpiece must pass through an aperture in the front wall of the phone box.  It was clear that the accused device did not exhibit either of these features and thus could not infringe.

The definition of the handset was made easy because the claims stated that: “a telephone handset being a handle with an ear-piece at one end and a mouthpiece at an opposite end.” The exact definition is support from the figures is also provided in the specification.

The CAFC affirmed on claim construction then went on to consider whether the elements may still be covered under the doctrine of equivalents (DOE). 

If an element is not literally covered by a claim, the device may still be considered infringing if the accused element is equivalent to the claimed element. Thus, to infringe a patent, each claim element or its equivalent must be found in an accused device.

Whether equivalency exists may be determined based on the “insubstantial differences” test or based on the “triple identity” test, namely, whether the element of the accused device “performs substantially the same function in substantially the same way to obtain the same result.” 

The game in the doctrine of equivalents is defining an ‘element.’  The patentee wants a broad definition (the telephones as a whole are very similar) while the defendant argues for a narrow definition. Here, the defendants won when the courts found that a “handle” is an element of the claim.  Since the accused devices have no structure that is similar to a handle, they cannot infringe even as an equivalent.

  

Deciding Infringement During Claim Construction

PatentLawPic369ADC Telecommunications v. Switchcraft (Fed. Cir. 2008)(nonprecedential)

Patent law precedent requires a judge to interpret any disputed claims of a patent prior to sending the case to a jury to determine factual issues of infringement. 

“First, the court determines the scope and meaning of the patent claims asserted. . . . [Second,] the properly construed claims are compared to the allegedly infringing device.” Cybor Corp. v. FAS Techs., Inc., 138 F.3d 1448, 1454 (Fed. Cir. 1998) (en banc) (citations omitted).

There is a strong tendency, however, to push the judge toward deciding the infringement issue within a Markman hearing — leading to a potentially quick summary judgment conclusion. Thus, parties often ask the judge to determine whether or not claimed element “X” should be interpreted to cover “Y” – where Y is an element of the accused product.

This infringement litigation involves a patent covering a coaxial switch that includes a mechanism for impedance matching.  Dueling experts used different testing mechanisms to prove (non)infringement of the accused device. Hoping to short-circuit the infringement determination, the defendant argued that that proper construction of the claims require a its method for testing for infringement. The CAFC disagreed because the claims lacked any textual hook for requiring a particular testing method and because the specification lacked “any clear indication” of a particular test. Relying upon its 2005 Union Carbide decision, the court found that “[b]ecause the claim language does not require a particular form of testing, this inquiry is not a claim construction question, which this court reviews de novo. Rather, this court reviews this inquiry as a question of fact.”

Thus, the CAFC affirmed the lower court’s decision and ruling that the “dispute over the proper testing method is … a factual question that the district court properly submitted to the jury.”

CAFC Reverses After Lower Court Denies Patentee the Opportunity to Present a New Infringement Argument on Remand

CertificateofcorrectionCentral Admixture Pharmacy Services v. Advanced Cardiac Solutions (Fed. Cir. 2008) (Non-precedential)

Most non-precedential opinions affirm the lower court. In fact, this decision is the first non-precedential reversal of 2008 (according to a Lexis search). In the prior decision, the CAFC voided a certificate of correction that had attempted to change a claim limitation from osmolarity to osmolality.

The final line of the original opinion reads as follows: “On remand, CAPS [the patentee] may pursue its allegations of infringement of the uncorrected ‘osmolarity’ version of the ’515 patent claims.” However, after the remand the district court refused to allow CAPS to prove infringement based on the uncorrected version of the patent.  Its reasoning was that CAPS had previously stated that it would not pursue that theory of infringement.

On appeal the second time, the CAFC reversed and remanded — holding that its prior order was “clear: on remand, the district court was to decide the merits of CAPS’s infringement claim under the pre-[Certificate of Correction] claims.  The district court was not at liberty to ‘determine’ the issue on procedural grounds, as it did.”

Reversed and remanded for consideration of the patentee’s infringement arguments.

Notes:

  • This panel included Judges Schall, Clevenger, and Gajarsa. 
  • The original panel included Judges Schall, Gajarsa, and Prost. Opinion by Gajarsa [LINK]
  • The patent at issue (No. 4,988,515) covers a solution of glucose and amino acids used to nourish heart tissue during open heart surgery when blood flow is stopped.
  • This decision appears quite limited. The patentee is able to present its new infringement argument because the original CAFC opinion specifically ordered the court to allow the new argument. This decision does not require a reversed lower court to allow a party to present arguments that had previously been dropped.

CAFC Affirms Exceptional Case Attorney Fees Based on Multiplicity of Minor Acts of Misconduct

PatentLawPic365Nilssen v. Osram Sylvania (Fed. Cir. 2008)

In 2007, a unanimous CAFC panel affirmed a district court’s finding that Ole Nilssen’s light bulb patents were unenforceable due to inequitable conduct.  The improper prosecution conduct included failing to disclose a close relationship with a 132 declarant; misleading priority claims; and improper payment of a small entity fee.

Now on appeal is whether Nilssen owes attorney fees under 35 U.S.C. § 285.  As with most civil cases in the US, the general rule in patent cases is that each party pays their own attorney fees.  Section 285 of the patent act provides a limited exception — providing that a district court “in exceptional cases may award reasonable attorney fees to the prevailing party.”  Here, the district court found the case exceptional based on the aforementioned inequitable conduct as well as “litigation misconduct” and the filing of a “frivolous lawsuit.” 

Benign Inequitable Conduct: Nilssen argued that his alleged inequitable conduct had very little real impact — i.e., that it was benign.  The CAFC rejected that argument — finding that inequitable conduct is never benign. “In fact, it is a contradiction to call inequitable conduct benign.”

Building a Mountain from Pebbles: Nilssen makes a good argument that none his individual acts of misconduct appear bad enough to call the case ‘exceptional.’ 

These acts of misconduct include late production of documents, disavowal of a prior interrogatory response (and never filing a formal correction), attempting to exclude interrogatories that were never signed; informally withdrawing patents from suit, but waiting until only a few months before trial to formally withdraw the patents; and waiving attorney client privilege without providing formal notice to Osram.

Each of these actions can rather easily be explained as “either harmless oversight or permissibly rough litigation tactics.”  This is perhaps especially true when you consider that the K&E firm – well known for its relentless bull dog litigation style — represented Osram.

To the CAFC panel, however, the “multiplicity” of these individual elements were sufficient to warrant the exceptional case finding — even without an individual smoking gun.

In dissent, Judge Newman did not see an exceptional case:

The statutory authority to award attorney fees was intended to “prevent gross injustice,” not to shift the economic balance against the unsuccessful plaintiff.

Notes:

  • The first line of the case reads: “Nilssen is the owner and principal inventor of over 200 patents…”  What does the court mean by “principal inventor” and is there any legal significance associated with that designation?

 

 

Patently-O Bits and Bytes No. 44: Deferred Examination

  • Deferred Examination I: For the current state of PTO backlog, I am a strong believer in providing a mechanism to either (i) allowing the inventor pay to move to the front of the examination line if the patent needs to be obtained quickly or (ii) allowing the inventor to delay prosecution if it is unclear whether the invented technology will have any market value. There are some potential negative issues of allowing deferred prosecution — particularly the potential for submarining and shifting claim scope to encompass market changes. These problems would largely be limited through early publication of deferred applications as well as continued enforcement of the written description and enablement requirements.  In addition, the patent term should continue to run during deferment.
  • Deferred Examination II: In its response to congressional queries, PTO Director Jon Dudas has come-out in favor of a system that allows for deferred examination. The PTO’s tentatively proposed implementation scheme would move along a three-step process:
    • Allow a 14–month extendible period for responding to a notice to file missing parts.
    • Use a tiered payment structure that allows for delayed payment of the examination fee.
    • Empower Provisional Applications: Allow applicant to claim priority to a provisional application for up to five years.
  • Deferred Examination III: For many, including the PTO, the hope with deferred examination is that “many inventions … would be recognized as obsolete [or otherwise worthless] before expiration of the five year period and therefore would not require examination resources.”
  • Rocket Docket Examination: In the past, the AIPLA and others have argued against having a rocket-docket examination based simply on the payment of a fee. Their argument is that it is somehow inequitable and un-American to line-jump based on the availability of funds. That argument is largely hog-wash.  Many of the richest companies in the US maintain tight controls over patent prosecution costs. I suspect those companies would only rarely pay an additional $5,000 in PTO fees for rapid examination. (If a rocket docket for patent prosecution is created, the fee should be high enough to ensure that it does not simply create an additional bottleneck.)
  • Clear Channel Communications now owes $90 million to Grantley Patent Holdings. The Eastern District of Texas jury found the patent willfully infringed with damages of $66 million. Last week, the Judge awarded an additional $16 million in enhanced damages in addition to prejudgment interest and interim royalties due.

Two Hong Kong companies have been fighting over a coffee maker design patent.  Simatelex (who manufacturers for Sunbeam) has signed a consent decree admitting contributory infringement. The patentee’s case against Sunbeam is still pending in the Southern District of New York. Wing Shing v. Simatelex.

District Court Must Provide Underlying Reasoning For “Exceptional Case” Determination

PatentLawPic363Innovation Technologies v. Splash! Medical Devices (Fed. Cir. 2008)

Innovation holds a patent for washing flesh wounds (U.S. Pat. No. 5,830,197) and sued Splash for infringement. In the midst of discovery (but before a Markman hearing) Innovation decided to end the litigation and executed a covenant not to sue Splash. Before dismissing the case, the district court awarded $140k in attorney fees to the accused infringer — finding the case “exceptional” because Innovation knew or should have known “that its infringement claims were baseless.”  Innovation left the district court with the impression that “the lawsuit was filed solely for the purpose of harassing a small competitor.”

In its decision, the district court provided only three sentences of legal conclusion without listing the factual basis for finding the case exceptional. [District Court Decision]

On appeal, the CAFC vacated in an opinion that reads like a reprimand. Quoting extensively from earlier opinions, the appellate panel demanded that lower court spell out the particular reasons why a case should be found exceptional:

‘“A district court must provide reasoning for its determination that a case is exceptional for us to provide meaningful review. Further, an exceptional case finding is not to be based on speculation or conjecture but upon clear and convincing evidence.” Stephens v. Tech Int’l, Inc., 393 F.3d 1269, 1276 (Fed. Cir. 2004) (citations omitted). . . .

This court could itself comb the record and answer those questions. That is not the normal appellate function, however, and we conclude that the proper practice here is for the district court initially to make the necessary findings on these issues. “[W]hen findings are required on the exceptional case issue such finding must initially be the province of the district court.” Consol. Aluminum Corp., v. Foseco Int’l Ltd., 910 F.2d 804, 814 (Fed. Cir. 1990). . .

Accordingly, the district court’s determination that this is an exceptional case and its award of attorneys fees are vacated, and the case is remanded to that court to make additional findings in accordance with this opinion. . . . If the court again concludes that this is an exceptional case and that it should award attorneys fees, it should also explain the reasons for the latter conclusion.

Vacated and Remanded.

Patently-O Bits and Bytes No. 43

  • Obviousness Essays: Lewis & Clark has published results from its Obviousness symposium. [LINK] Papers include Duffy’s thoughts that the timing of an invention helps determine its obviousness; Mandel’s argument that KSR stinks because it does not truly account for hindsight bias; Eisenberg’s predictive analysis of KSR’s impact on pharmaceutical patent protection; and Miller’s suggestion on how courts should determine PHOSITA’s skill level.
  • Prior Art blog discusses Little League Trademark Infringement. [LINK]
  • Director Dudas Responds to Congressional Critics [File Attachment: dudas.ltr.pdf (2048 KB)]

Obvious to Try? BIO Challenges Ex Parte Kubin

In re Kubin (Fed. Cir. 2008)

Immunex (a subsidiary of Amgen) is hoping to patent its a DNA sequence coding for a NK (Natural Killer) cell regulator protein. The BPAI rejected the “nucleic acid molecule” claim — finding it obvious over the prior art. [BPAI Decision]. This decision is one of only three precedential BPAI decisions in 2007.

Just looking at the claimed sequence, it would not seem obvious — its structure is not overly similar to other regulator proteins, and the unpredictable nature of protein folding makes it virtually impossible to predict whether a particular sequence would code for an appropriate protein.

Despite the structural uniqueness, the BPAI found the claim obvious because it could have been isolated and verified simply by following conventional laboratory techniques — thus, making it obvious to try.

Although the CAFC has previously warned the BPAI away from using “obvious to try” analysis in its 1995 In re Deuel case. There, the appellate court held that obviousness analysis of a structure should focus on the structure itself as compared to prior art structures.

In Kubin, the BPAI rejected Deuel as limited by the Supreme Court’s KSR decision. That case focused on combination claims, but included the stray quote that “the fact that a combination was obvious to try might show that it was obvious under Section 103.”

Here, the BPAI argued, the inventor wanted to isolate the NK Regulator and simply used known methods to do so. “Thus, isolating NAIL cDNA was ‘the product not of innovation but of ordinary skill and common sense.’” (again quoting KSR).

The case is now on appeal at the the CAFC. On June 10, the Biotechnology Industry Organization filed an amicus brief asking the court to cabin in the scope of KSR and hold that its obvious to try dicta does not abrogate the Deuel standard. Briefing is ongoing and a decision is not expected until the end of the year.

  • Download kubin.amicus.pdf
  • The PTO’s Obviousness Guidelines have the following rules for making an obviousness rejection based on the obvious to try reasoning:
    • (1) a finding that at the time of the invention, there had been a recognized problem or need in the art, which may include a design need or market pressure to solve a problem;
    • (2) a finding that there had been a finite number of identified, predictable potential solutions to the recognized need or problem;
    • (3) a finding that one of ordinary skill in the art could have pursued the known potential solutions with a reasonable expectation of success; and
    • (4) whatever additional findings based on the Graham factual inquiries may be necessary, in view of the facts of the case under consideration, to explain a conclusion of obviousness.The BPAI decision is notable for a few reasons, including the following two: (1) It was written by Nancy Linck, former PTO Solicitor, Newman law clerk, & PhD Chemist. Soon after authoring the decision, Linck left the firm to join the Rothwell Figg firm. (2) It is a unanimous opinion.
  • Thanks to Hal Wegner for providing a copy of the brief which his firm filed on behalf of BIO.
  • (more…)

    Appellate Court Affirms that Generic Omeprazole does not Infringe Prilosec Patent

    IN RE OMEPRAZOLE PATENT LITIGATION (Fed. Cir. 2008) (nonprecedential)

    Omeprazole is the active ingredient in the best-selling drug Prilosec. Mylan and others challenged Astrazeneca’s patents on grounds that their generic formulations do not infringe two Astra’s listed patents. “After a forty-two day bench trial,” a Southern District of New York district court agreed that the generic formulation do not infringe. On appeal was the question of whether the generic versions contained an “alkaline reacting compound” (ARC) as required by the claims.

    Using the Specification as Proof of Non-Infringement: Astra argued that the talc used by the generic products included an ARC.  The CAFC agreed that the lower court had properly rejected that argument based in part on language in the specification. Specifically, the nearly identical specifications listed several different ARCs but did not include talc on the list.  “In contrast, the specifications also lists a number of ordinary excipients, among which is talc. . . Thus, the specifications themselves indicate that ARCs do not include talc.”

    Defying conventional wisdom at the time, Mylan launched its generic version of Omeprazole in 2003 — despite ongoing patent litigation.

    Non-infringement affirmed.

    Certificate of Correction

    According to PTO figures, the Office has issued around 25,000 certificates of correction on issued patents each year since 2001. On a per patent basis, about 15% of issued patents are associated with a certificate of correction.*

    Generally, a certificate of correction can be used to correct a minor mistake such as a “clerical or typographical” error or other minor error. In Superior Fireplace, the court held that a certificate of correction that broadens the claim is only permissible when it is clear from the specification and prosecution history how to correct the error. Similarly, in Central Admixture Pharmacy the CAFC found that the correction from osmolarity to osmolality was void because the error “was not clearly evident to one of skill in the art and the result was to broaden the claims.” The relief for an improper certificate of correction is simply to cancel the certificate. 

    Over the past several years, a number of automated and out-sourcing services have emerged to check against PTO printing errors and other typographical errors. What are the best services and best practices regarding corrections?

    ScreenShot031 

    • * To account for the time delay in obtaining corrections, I looked at only patents numbered 6,000,000 – 7,000,000 for the per patent estimate.

    Auto Parts Design

    PatentLawPic356Ford Global Technologies v. ITC (Fed. Cir. 2008) (The F-150 ITC Case) (CURRENTLY ON APPEAL)

    In 2007, the International Trade Commission (ITC) issued a final decision finding three Ford design patents invalid based on a prior public use. The patents relate to various parts of its F-150 truck design. Ford had asked the ITC to stop generic parts manufacturers from imports of the patented designs that were flowing in from Taiwan. In its decision, the ITC found seven of the design patents valid and infringed, but found that three of them were invalid.

    Prior Public Use: The alleged prior public use in this case was an event where Ford selected 900 members of the public to attend in small groups and provide feedback on proposed car designs. At the event, security was “high,” cameras were banned as were sketches. Thus, according to Ford, the attendees could not have truly disclosed the ornamental features of the patented design. The invitees were also paid – and thus, disclosure to those individuals should be presumptively be considered private (as would normal in house discussions with an employee). Ford also argues that the payment to attendees is clear evidence that this public use was not “commercial exploitation.”

    PatentLawPic359Almost no Scope: Many design patent holders run from the Federal Circuit’s 1988 in re Mann decision announcing that “design patents have almost no scope. In the auto-parts industry, however, no scope is needed so long as the patented designs are identical to the marketed products. The generic part importers are “slavishly copying” Ford’s original design — thus infringement should be open-and-shut. (See discussion below).

    Ford embraced the narrow scope of its design rights – arguing that there its controls over the feedback event of preventing cameras or drawings ensures that none of the attendees will be able to place the invention in the public domain. Notably, in a recorded post-show follow-up, attendees who were asked about the design could only describe it in general terms such as “beefy.”

    “The video evidence shows that the claimed ornamental features of the patents-in-suit were not in the public’s possession. Without cameras or sketches – which were specifically prohibited – there was no way here that the claimed designs could have been disclosed to the public. Ford therefore did not “remov [e] inventions from the public domain which the public justifiably comes to believe are freely available.” … In short, “beefy front end” and “a chopped top” do not describe or disclose the design inventions.

    PatentLawPic360Is Point of Novelty Analysis Required?: In its counter-appeal, the Taiwanese manufacturers argue that infringement was improperly found because the ITC failed to perform the point-of-novelty test which, according to the defendants, is required even when the patented design is identically copied.

    “[E]ven though the court compares two items through the eyes of the ordinary observer, it must nevertheless, to find infringement, attribute their similarity to the novelty which distinguishes the patented device from the prior art.”‘ Lawman, 437 F.3d at 1386 (quoting Litton, 728 F.2d at 1444).

    The defendants are correct that Lawman and Litton appear to require the point-of-novelty test in every case of infringement. That issue will likely be resolved in the upcoming en banc decision in Egyptian Goddess. In addition, the defendants argued that the design patents should be considered obvious under KSR v. Teleflex (2007). As in that case the claims appear to be composed of a set of elements all found in the prior art.

    An amicus brief was filed supporting the generic manufacturers. However, I have not yet seen that brief. In addition, the ITC recently began investigating another design patent complaint filed by Ford against the same generic manufacturers. This new case involves repair parts for the 2005 Mustang redesign.

    Note:

    • A reader reminded to me to mention pending H.R. 5638 and the PTO’s town hall meeting next Monday to discuss design patent issues. (written comments due July 15). 
    • Unlike the patent reform bill, H.R.5638 is a partisan Democrat sponsored bill that would primarily support the insurance industry and make automobile repair less expensive by excusing repair parts from patent infringement. The bill would amend 35 USC 271 by adding the following subsection:
    • (j) It shall not be an act of infringement to make, use, offer to sell, or sell within the United States or import into the United States any article of manufacture that itself constitutes a component part of another article of manufacture, if the sole purpose of the component part is for the repair of the article of manufacture of which it is a part so as to restore its original appearance.