Skip to content
  • Patent Blog
  • Jobs

  • logo

  • Ethics
  • Journal

America's leading patent law source

Patent Challenge of the Week: When does a patent expire?

March 30, 2008PatentpaidDennis Crouch

To continue reading, become a Patently-O member. Already a member? Simply log in to access the full post.

Login

About Dennis Crouch

Law Professor at the University of Missouri School of Law. View all posts by Dennis Crouch →

Post navigation

← Patently-O Bits and Bytes No. 26 Computer Implemented Means-Plus-Function Element Must be Supported by Specific Algorithm in Specification →

Patently-O Authors

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

Patently-O Tools

NEW: Patently-O Paid Membership
Join thousands of patent law professionals

Manage your Account
Reset your password, Manage Subscriptions, Force logout.

Free Daily E-Mail
About 25,000 individuals now receive Patently-O via e-mail each morning.

Find a patent job
We regularly post top patent jobs from leading firms, corporations, and government and educational institutions.

Submit a patent job
Find a patent professional among the 15,000+ monthly visitors of the job board, many of whom are patent professionals at large firms and corporations.

Request a Free Membership
Students, professors, judges and their clerks, and folks making <$75k annual income all qualify.

Categories

Recent Patent Posts

  • Recent Patent Cases at the Supreme Court
  • DABUS AI Again Denied European Patent
  • Orange Book Device Patent Listings: Understanding Teva v. Amneal
  • Federal Circuit Affirms $95 Million Verdict in E-Cigarette Patent Battle Between Altria and Reynolds
  • The RESTORE Patent Rights Act: One Little Sentence that Could Change Everything
  • TikTok at the Supreme Court: First Amendment Meets National Security
  • Assembling the Obviousness Puzzle: Why Piecemeal Prior Art Analysis Falls Short
  • The Next USPTO Director: IPO Weighs In
  • The Abstract Divide: BBiTV Likely to Seek Supreme Court Review of Software Patent Eligibility
  • Invisible Hand of Patent Licensing: EcoFactor and the Market Realities of Partially Performative Pricing and Lump Sum Licenses

Popular Tags

Abstract Idea Affirmed Without Opinion ai AIA Trials anticipation Broadest Reasonable Interpretation Claim Construction Copyright Damages design patent double patenting DTSA Enablement en banc Federal Circuit Federal Circuit En Banc First to Invent Historical Cases Inequitable Conduct inventorship IPR Licenses Marking motivation to combine obviousness Oil States paid patent eligibility patent infringement patent law patent litigation patent prosecution Personal Jurisdiction PGR Printed Publication reasonable expectation of success Section 101 Subject Matter Eligibility Supreme Court Trademark Trade Secrets USPTO USPTO Director Venue Written Description

Archives

Contact Us

  • E-mail Dennis Crouch
  • E-mail Patently-O Jobs
  • Submit a Job Listing