Federal Circuit Court of Appeals Vacates Infringement Judgment and Damages Award in Dispute between Daiichi Sankyo and Seagen
DAIICHI SANKYO S/ADR (DSNKY)
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Source: Business Wire
TOKYO & BASKING RIDGE, N.J.--(BUSINESS WIRE)--On December 2, the U.S. Court of Appeals for the Federal Circuit (the Federal Circuit) reversed a decision from the U.S. District Court for the Eastern District of Texas that found Seagen Inc’s U.S. Patent No. 10,808,039 (the ’039 patent) not invalid (the Texas decision). In view of the reversal, the Federal Circuit vacated the Texas court’s related infringement judgment and damages award against Daiichi Sankyo.In a separate decision, the Federal Circuit also dismissed as moot Seagen Inc’s appeal from the U.S. Patent and Trademark Office’s January 2024 Final Written Decision that invalidated all challenged claims of the ’039 patent, which Daiichi Sankyo had challenged in a post-grant review proceeding (PGR). This appeal was rendered moot by the Federal Circuit’s holding that the same claims were invalid in the appeal from the Texas decision.“We are pleased that the infringement judgment and damages award have been nullified,” said Naot
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