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Carl Zeiss X-Ray Microscopy, Inc. v. Sigray, Inc.
Case Number:
5:21-cv-01129
Court:
Nature of Suit:
Judge:
Firms
Companies
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December 16, 2025
PTAB Cuts X-Ray Patent Claims After Fed. Circ. Remand
The Patent Trial and Appeal Board has found that three claims that Sigray Inc. challenged in a Carl Zeiss X-Ray Microscopy Inc. X-ray imaging patent were invalid after the Federal Circuit told it to take another look at the claims.
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September 11, 2025
Zeiss Secures $785K In X-Ray Patent Trial Against Sigray
Sigray Inc. is on the hook for $785,000 in damages after a finding in California federal court this week that it infringed X-ray imaging patents owned by Carl Zeiss X-Ray Microscopy Inc., but the jury also found that Sigray's infringement was not willful and refused to award any lost profits.