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Analysis of patent litigation, PTAB practice, prosecution and pharma IP, written on the data behind LexDana.

AllCopyright & Trade Secrets14Federal Circuit179Pharma & ANDA40PTAB150Supreme Court9USPTO Policy27Patent Litigation55Patent Prosecution20ITC / Section 33732Trademark43Unsorted35

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Federal Circuit

How Ignoring Disclosed Structure Can Derail a Means-Plus-Function Case

Written by : Douglas B. Wentzel and Stella B. Haynes Kiehn GENUINE ENABLING TECHNOLOGY LLC v. SONY GROUP CORPORATION Before Dyk, Taranto, and Chen . Appeal from the United States District Court for the District of Delaware. Summary : The Federal Circuit…

March 6, 2026·Federal Circuit·2 min read
PTAB

Who Bears the Burden of Proof for IPR Estoppel?

Written by : Nathan D. Reeves & Amanda K. Taylor IRONBURG INVENTIONS LTD. v. VALVE CORP. Before Lourie, Clevenger, and Stark . Appeal from the United States District Court for the Western District of Washington. Summary : The patentee has the burden of…

April 4, 2023·PTAB·2 min read
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