Washington State Patent Law Blog


This blawg focuses on patent law and litigation in Washington state or affecting industries in Washington state. It also includes postings on important issues relating to software, biotechnology, and patent reform.

Author: Mark Walters is an associate at Darby & Darby in Seattle.

Blawg Related Categories: Intellectual Property Law • Patent Law • Science & Technology Law • States • Washington • Associate

Recent Posts from Washington State Patent Law Blog


  • Ancora Settles Litigation with Microsoft

    I posted back in April about a lawsuit that was transfered to Seattle. The lawsuit was between Ancora Technologies and Microsoft.  Recently, Ancora sent out the following press release. Seattle, WA (PRWEB) November 13, 2009 --…

  • Big Baboon Battles Bilski, Court Cites Morse Code

    Debate over the patentability of process patents, particularly those having claims drawn to software inventions, continues to rage in the wake of the U.S. Supreme Court's decision to accept certiorari in Bilski.  The state of…

  • Microsoft Denied Declaratory Judgment Jurisdiction a Second Time

    Microsoft was unable to sustain a declaratory action brought against WebXchange to invalidate three patents covering network services.  The patents-in-suit are U.S. Patent Numbers 5,778,178; 6,212,556; and 7,340,506. According to IP 360, the USPTO has…

  • Seattle Patent Litigation Update Fall 2009

    Seeing that it has been almost a month since I last posted, I thought I needed to break the silence and provide an update on the world of Seattle patent litigation. For my part, things…

  • Oral argument audio available in i4i v. Microsoft

    Audio files of today's merits argument in the i4i v. Microsoft appeal are available at the CAFC's website by following this link and this link.

  • Microsoft Files Reply in i4i Case

    Microsoft filed its reply today to i4i's Brief in opposition to Microsoft's appeal. This brief does a good job trying to refocus attention to Microsoft's most winnable issues: (1) claim construction, (2) jury instructions, and…

  • CAFC: Jury's $360 M Damages Award Against Microsoft, In Favor of Lucent, Not Supported by Evidence

    In a decision affirming the jury's finding of Microsoft's liability for infringement of Lucent's U.S. Patent No. 4,763,356, the Court of Appeals for the Federal Circuit ("CAFC") reversed and remanded the damages award, which the…

  • i4i Files Response Brief at CAFC

    Software maker and recently successful patent enforcer, i4i, filed its responsive brief yesterday in the appeal filed by Microsoft. In this high profile patent infringement case, Microsoft was found by a Texas jury to have…

  • i4i v. Microsoft: Injunction Stayed

    Hal Wegner just reported that the CAFC will stay an injunction entered last month by Judge Leonard Davis of the ED of Texas. The injunction was to take effect October 10, 2009 and it was…

  • Microsoft Submits Opening Brief in i4i Appeal

    Microsoft submitted its opening appeal brief on Tuesday and the CAFC set oral argument on its motion to stay Judge Davis' order enjoining further distribution of infringing copies of Microsoft's multi-Billion dollar WORD product. Oral…