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TwinStrand Biosciences, Inc. et al v. Guardant Health, Inc.
Case Number:
1:21-cv-01126
Court:
Nature of Suit:
Judge:
Firms
Companies
Sectors & Industries:
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January 23, 2026
Guardant Can Try Again To Nix Patent Tied To $83M Verdict
The Federal Circuit on Friday threw out a Patent Trial and Appeal Board decision finding Guardant Health couldn't show that a University of Washington DNA sequencing patent is invalid, sending the case back to the board for another look.
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November 15, 2023
Seattle Startup Wins $83M In IP Spat With Silicon Valley Rival
Guardant Health, a Silicon Valley cancer diagnostics startup run by ex-Illumina employees, said on Wednesday that it will appeal a patent infringement verdict of at least $83.4 million it lost a day earlier to a rival startup based in Seattle.