Daiichi Sankyo, Inc. et al. v. Seagen Inc. > Summary
Court Case Number PGR2021-00030
Filing Date Dec 23, 2020
Institution Decision Date Jul 15, 2022
Decision Date Jan 16, 2024
Court Patent Trial and Appeal Board
Status Final Written Decision - Appeale
Appeal2024-1878
Administrative JudgesJeffrey N. Fredman, Sheridan K. Snedden, Christopher M. Kaiser
Judge Writing the Final DecisionJeffrey N. Fredman
Claims Challenged in the Petition: 1, 2, 3, 4, 5, 9, 10
Claims Instituted: 1, 2, 3, 4, 5, 9, 10
Claims Invalidated: 1, 2, 3, 4, 5, 9, 10
Plaintiff
Defendant
Plaintiff Attorneys
6Daiichi Sankyo
Attorney Name: Michael A. Stramiello
Paul Hastings
Daiichi Sankyo
Attorney Name: Daniel Zeilberger
Paul Hastings
Daiichi Sankyo
Attorney Name: Preston K. Ratliff II
Paul Hastings
Daiichi Sankyo
Attorney Name: Naveen Modi
Paul Hastings
Daiichi Sankyo
Attorney Name: David I. Berl
Williams & Connolly
Daiichi Sankyo
Attorney Name: Thomas S. Fletcher
Williams & Connolly
Defendant Attorneys
5Seagen Inc.
Attorney Name: Matthew I. Kreeger
Morrison & Foerster
Seagen Inc.
Attorney Name: Parisa Jorjani
Morrison & Foerster
Seagen Inc.
Attorney Name: Matthew A. Chivvis
Morrison & Foerster
Seagen Inc.
Attorney Name: Sara Horton
Willkie Farr & Gallagher
Seagen Inc.
Attorney Name: Dane D. Sowers
Willkie Farr & Gallagher
Related Patents
| Doc No | Title | Issue date |
|---|---|---|
| 10808039 | Monomethylvaline compounds capable of conjugation to ligands | Oct 20, 2020 |
