February 16, 2021

Carl Zeiss X-Ray Microscopy, Inc. v. Sigray, Inc.

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Reflects complaints, answers, motions, orders and trial notes entered from Jan. 1, 2011.
Additional or older documents may be available in Pacer.

Coverage

  1. 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.

1 other articles on this case. View all »

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