Zillow Asks Wash. Court To End IBM's Patent Suit

By Rae Ann Varona · April 20, 2026, 11:43 PM EDT

Zillow has urged a Washington federal court to sack IMB Corp.'s lawsuit that accuses the online real estate marketplace company of infringing a user sign-on patent, saying users logging into its...

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Case Information

Case Title

International Business Machines Corporation v. Zillow Group Inc et al

Case Number

2:20-cv-00851

Court

Washington Western

Nature of Suit

Patent

Date Filed

May 28, 2020