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Subject Matter Jurisdiction Assignor Estoppel

Knobbe Martens

Federal Circuit Review - June 2021

Knobbe Martens on

Bulk-Filed Patent Applications Claiming Distant Priority Trigger Prosecution Laches - In Hyatt v. Hirshfeld, Appeal No. 18-2390, the Federal Circuit held that the PTO met its burden to prove prosecution laches for bulk-filed...more

Knobbe Martens

Federal Circuit Review - October 2017

Knobbe Martens on

Federal Circuit Denies En Banc Rehearing in Mentor Graphics v. EVE-USA - In Mentor Graphics Corp. v. Eve-USA, Inc., Appeal Nos. 2015-1470, 2015-1554, 2015-1556, the Federal Circuit denied Synopsys’ and EVE’s petition for...more

BakerHostetler

Patent Watch: Semiconductor Energy Lab. Co. v. Nagata

BakerHostetler on

"[Neither the Declaratory Judgment Act nor Federal Circuit jurisprudence creates] a federal cause of action for assignor estoppel." On February 11, 2013, in Semiconductor Energy Lab. Co. v. Nagata, the U.S. Court of...more

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