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11 April 2022Big PharmaAlex Baldwin

PTAB grants review of Seagen patent on eve of court’s infringement ruling

The US Patent Trial and Appeal Board has agreed to review claims of a Seagen patent that Daiichi Sankyo was found to have infringed with its Enhertu (trastuzumab deruxtecan) breast cancer treatment.

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More on this story

Americas
Seagen targets Daiichi in cancer drug suit
22 October 2020   US biotechnology company Seagen has accused Japanese pharmaceutical company Daiichi Sankyo of infringing patents with a recently-approved breast cancer drug.
Americas
Daiichi and AstraZeneca fight back in cancer drug dispute with Seagen
18 November 2020   Daiichi Sankyo and AstraZeneca have asked the US District Court for the District of Delaware for a declaration that their breast cancer treatment does not infringe a chemotherapy patent owned by biotechnology company Seagen.
Americas
Japanese pharma company wins arbitration over cancer drug
16 August 2022   Dispute over the Enhertu began in 2019 | Antibody drug conjugate tech at issue | American Arbitration Association issued final decision.


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More on this story

Americas
Seagen targets Daiichi in cancer drug suit
22 October 2020   US biotechnology company Seagen has accused Japanese pharmaceutical company Daiichi Sankyo of infringing patents with a recently-approved breast cancer drug.
Americas
Daiichi and AstraZeneca fight back in cancer drug dispute with Seagen
18 November 2020   Daiichi Sankyo and AstraZeneca have asked the US District Court for the District of Delaware for a declaration that their breast cancer treatment does not infringe a chemotherapy patent owned by biotechnology company Seagen.
Americas
Japanese pharma company wins arbitration over cancer drug
16 August 2022   Dispute over the Enhertu began in 2019 | Antibody drug conjugate tech at issue | American Arbitration Association issued final decision.

More on this story

Americas
Seagen targets Daiichi in cancer drug suit
22 October 2020   US biotechnology company Seagen has accused Japanese pharmaceutical company Daiichi Sankyo of infringing patents with a recently-approved breast cancer drug.
Americas
Daiichi and AstraZeneca fight back in cancer drug dispute with Seagen
18 November 2020   Daiichi Sankyo and AstraZeneca have asked the US District Court for the District of Delaware for a declaration that their breast cancer treatment does not infringe a chemotherapy patent owned by biotechnology company Seagen.
Americas
Japanese pharma company wins arbitration over cancer drug
16 August 2022   Dispute over the Enhertu began in 2019 | Antibody drug conjugate tech at issue | American Arbitration Association issued final decision.

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