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Restriction requirement: to traverse or not to traverse?

USA - October 8 2013 During the pendency of a patent application, the US Patent and Trademark Office can restrict claims, requiring that the Applicant elect a sub…

Single means claims

USA - December 20 2013 What is a single means claim, and how do we properly draft claims so as to not run afoul of a single means claim rejection? According to the MPEP…

Shortest US patent claims?

USA - August 29 2013 For trivia fans, how many words does the shortest US patent claim have? Ten words? Five words? How about two words. US 3,156,523, filed August 23…

Negative Limitations in a Patent Claim - Broad or Narrow?

USA - September 29 2017 Negative limitations, using words like “not”, “without”, or “excluding” in a patent claim, understandably make patent practitioners and clients…

Software patenting – method, tangible media, and system claims

USA - January 10 2013 What are some of the differences, when patenting software, between a claim for a method (which a computer, programmed with the software executes) and…