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The Federal Circuit Raises the Section 112 Stakes for Chemical Structures in Seagen v. Daiichi

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On December 2, 2025, the U.S. Court of Appeals for the Federal Circuit issued a precedential decision in Seagen Inc. v. Daiichi Sankyo Company Ltd., which further clarifies the amount of disclosure a US  patent must contain to uphold claims covering a generic scope of chemical structures, especially in the realm of therapeutics….
By: Goodwin

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