Seagen Inc. v. Daiichi Sankyo Company, Ltd.
CAFC Affirms PTAB Decision, Upholding Seagen's Cancer Drug Patent
Federal Circuit · 2025-12-02 · Defendant Win · Impact: 30/100
Seagen Inc. v. Daiichi Sankyo Company, Ltd., decided by Federal Circuit on December 2, 2025, resulted in a defendant win outcome. The core dispute centered on whether Daiichi Sankyo's patent for a can...