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Counterclaims Litigation Strategies Patent Infringement

A&O Shearman

UPC Ruling on amendment of counterclaims in patent revocation

A&O Shearman on

Sunstar Engineering Europe GmbH v. Ceracon GmbH, Mannheim Local Division, June 6, 2025 (UPC_CFI_745/2024) The UPC has recently clarified its strict approach to amending counterclaims for revocation in patent litigation....more

Jones Day

Have Cake, Eat Cake: Declaratory Judgment Strategy For Accused Infringers

Jones Day on

The AIA prohibits institution of a post-grant proceeding when the petitioner previously “filed a civil action challenging the validity of a claim of the patent.” 35 U.S.C. § 315(a)(1). PGR petitions (including CBM petitions)...more

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