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November 21, 2023

IBM v. Zillow Group, 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.

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  1. December 09, 2025

    Fed. Circ. OKs PTAB's Axing Of Some IBM Patent Claims

    The Federal Circuit on Tuesday affirmed a Patent Trial and Appeal Board decision that invalidated some claims while preserving others in an IBM patent covering a single sign-on technology, rejecting the company's arguments that the board relied on arguments not made by the patent challenger.

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