Guardant Health ordered to pay TwinStrand Biosciences and University of Washington $245M in Delaware dispute over DNA sequencing patents

Context:

  • In August 2021, TwinStrand Biosciences and the University of Washington (UW) filed a complaint in the United States District Court for the District of Delaware, accusing Guardant Health of infringing several patents describing duplex sequencing methods.
  • In November 2023, a jury awarded the co-plaintiffs $83.4 million in damages for willful infringement of all the remaining asserted claims, based on a reasonable royalty.

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Counsel

TwinStrand Biosciences and UW are represented by Young Conaway Stargatt & Taylor’s Adam Poff, Samantha Wilson, and Colin Keith; and Sterne Kessler’s Byron Pickard, R. Wilson Powers III, Chandrika Vira, William Milliken, Anna Phillips, Tyler Dutton, David Holman, Christopher Gallo, and Brady Gleason.

Guardant Health is represented by DLA Piper’s Jeff Castellano, Erin Larson, Mark Fowler, and Tracy Block; and Orrick’s Travis Jensen.