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Counting Design Patents

December 26, 2007Academic Studies, Articles and Publications, Design Patent, PatentpaidDennis Crouch

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Patently-O Authors

Dennis Crouch
Associate Professor, University of Missouri School of Law
SSRN Articles
Jason Rantanen
Professor, University of Iowa College of Law
SSRN Articles
Occasional guest posts by IP practitioners and academics

Rising Claim Counts

December 23, 2007PatentpaidDennis Crouch

Patent.Law050

The chart shows the average number of total claims and independent claims for each year of issuance. The sample is drawn from 28,000 randomly selected patents that issued from 1977 and 2005. (For those who want data, the following table shows the average claim numbers by filing date.)


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Does Size Matter? Counting Words in Patent Specifications

December 20, 2007Academic Studies, Articles and Publications, PatentFirst to Invent, paidDennis Crouch

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When is an Electronic Document a Printed Publication for Prior Art Purposes?

December 20, 2007Patentpaid, Printed PublicationDennis Crouch

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Continued Vitiation of The Doctrine of Equivalents

December 19, 2007BPAI, Doctrine of Equivalents, Patent, VitiationClaim Construction, obviousness, paidDennis Crouch

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MercExchange v. eBay: Injunction Denied Again

December 18, 2007PatentLicenses, paidDennis Crouch

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Appeals from the ITC

December 17, 2007PatentpaidDennis Crouch

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Technologies most affected by the new IDS rule changes

December 15, 2007PatentpaidDennis Crouch

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Summer Associate: Diversity in Patent Law Fellowship

December 15, 2007PatentpaidDennis Crouch

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CAFC Reverses Injunction Against Contributory Infringer as Overbroad

December 13, 2007PatentpaidDennis Crouch

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CAFC to Decide Important Revival Case: Aristocrat v. IGT

December 12, 2007Patentpaid, USPTO DirectorDennis Crouch

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IDS Rules Moving Forward

December 11, 2007PatentpaidDennis Crouch

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Hot Potato: Revival Petition Must Convince Court

December 11, 2007PatentpaidDennis Crouch

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Case Dismissed: DC Court Dismisses Case against Deputy Director Peterlin

December 10, 2007Patentpaid, USPTO DirectorDennis Crouch

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Design Patent Claim Construction

December 9, 2007PatentClaim Construction, Federal Circuit En Banc, paidDennis Crouch

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Patently-O TidBits

December 7, 2007PatentpaidDennis Crouch

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Patent Litigation Trends: Survey Results

December 6, 2007Articles and Publications, Patentpaid, VenueDennis Crouch

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CAFC: Even with Deference, PTO Misinterprets its Own Rules

December 5, 2007PatentpaidDennis Crouch

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Finisar v. DirecTV: Compulsory Patent Licensing

December 4, 2007PatentLicenses, paidDennis Crouch

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Patently-O TidBits

December 3, 2007PatentpaidDennis Crouch

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Dennis Crouch
Professor, University of Missouri School of Law
SSRN Articles
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Jason Rantanen
Professor, University of Iowa College of Law
SSRN Articles
Occasional guest posts by IP practitioners and academics

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