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

By Theresa Schliep · December 9, 2025, 7:25 PM EST

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...

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Opinion

Case Information

Case Title

IBM v. Zillow Group, Inc.

Case Number

24-1170

Court

Appellate - Federal Circuit

Nature of Suit

-

Date Filed

November 21, 2023

Case Title

Zillow Group, Inc. v. IBM

Case Number

24-1274

Court

Appellate - Federal Circuit

Nature of Suit

-

Date Filed

December 21, 2023

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

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