Klarquist News & Insights

Case Highlights

Klarquist Secures Federal Circuit Win For Mentor Graphics

On October 11, the Federal Circuit affirmed a PTAB decision finding Synopsys Inc. memory synthesis patent claims obvious. Synopsys had alleged infringement of the claims by Mentor Graphics Corporation, as part of a lawsuit filed late 2012 in N.D. Cal. The Court stayed that part of the case when the PTAB granted Mentor’s petition for […]

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Case Highlights

Klarquist Obtains Permanent Injunction for Client Capsugel

On January 29, 2016, Klarquist obtained a permanent injunction for its client Capsugel in a case asserting two patents and false advertising claims relating to pullulan-based capsules. The team defended parallel PTAB challenges to the asserted patents. Judge Paul Papak granted a permanent injunction for patent owner Capsugel against all four defendants, including the manufacturer […]

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Case Highlights

Dismissal of Nine Actions Following PTAB Final Decision

On Friday, July 24, 2015, Chief Judge Leonard P. Stark, U.S. District Court for the District of Delaware, dismissed with prejudice nine lawsuits asserting seven related patents against multiple travel web-site providers. The dismissal was based on the successful challenge to selected claims of two of those seven patents, by the defendants in six of […]

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Case Highlights

PTAB Rules Second Metasearching Patent Unpatentable

On May 22, 2015, the Patent Trial and Appeal Board found claims of U.S. Patent No. 8,239,451 B1 of Metasearch Systems, LLC, unpatentable under Section 101 and Section 103 of the Patent Act. The decision concluded a Covered Business Method Review Proceeding (CBM2014-00050) filed and tried by Klarquist Sparkman, LLP, on behalf of American Express […]

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Case Highlights

Klarquist Defeats Metasearching Patent at PTAB

On March 13, 2015, the Patent Trial and Appeal Board found claims of U.S. Patent No. 8,326,924 of Metasearch Systems, LLC unpatentable under Section 101 and Section 103 of the Patent Act. The decision concluded a Covered Business Method Review Proceeding (CBM2014-00001) filed and tried by Klarquist Sparkman, LLP, on behalf of American Express Co., […]

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Case Highlights

Klarquist Defeats Claims from Three Patents Asserted Against Mentor Graphics

On January 20, 2015, the United States District Court for the Northern District of California (Hon. Maxine M. Chesney) granted summary judgment to Mentor Graphics Corporation, invalidating all asserted claims of three patents for claiming patent-ineligible subject matter under Section 101 of the Patent Act. The order issued on a motion briefed and argued by […]

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Case Highlights

Federal Circuit Affirms Dismissal for Lack of Standing of Walker Digital’s Claims Against Klarquist Clients Amazon.com and Zappos.com

On December 30, 2014, the Federal Circuit Court of Appeals affirmed the dismissal with prejudice for lack of standing of four patent cases brought by Walker Digital, LLC, against Klarquist clients Amazon.com, Inc. and Zappos.com, Inc., Fish & Richardson client Expedia, Inc., and Potter Anderson client Barnes & Noble, Inc. Delaware District Court Judge Sue […]

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