Seagen wins Enhertu patent dispute with Daiichi Sankyo
pharmaphorum
APRIL 10, 2022
A US jury has decided that Daiichi Sankyo and AstraZeneca’s breast cancer drug Enhertu infringes a patent held by US biotech Seagen, awarding almost $42 million in damages. Seagen claims Enhertu (trastuzumab deruxtecan) – an antibody-drug conjugate (ADC) targeting HER2 – infringes a patient it holds (No. 10,808,039) covering ADCs that include auristatin compounds coupled to an antibody via a linker molecule.
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