Case Number:

IPR2020-01656

Case Type:

IPR

Status:

Final Written Decision

Petitioner:

Zillow, Inc.

Patent Owner:

International Business Machines Corporation

Tech Center:

3600

1. Filed: September 18, 2020 00:00

   Coverage

   1. December 15, 2021

      Zillow Faces Uncertain PTAB Judge In IBM Patent Fight

      A Patent Trial and Appeal Board judge expressed doubt Wednesday about the viability of some of Zillow's arguments that two IBM Corp. patents are invalid, with the judge saying at one point he was "having trouble visualizing" arguments by the real estate giant's attorney.

   ---

   Stay ahead of the curve

   In the legal profession, information is the key to success. You have to know what’s happening with clients, competitors, practice areas, and industries. Law360 provides the intelligence you need to remain an expert and beat the competition.

   
   

   • Search PTAB cases and full-text documents.
   • Download filings with the U.S. Patent & Trademark Office’s Patent Trial & Appeal Board.
   • Set up alerts on new cases, follow ongoing cases, track new decisions and so much more!

   TRY LAW360 FREE FOR SEVEN DAYS

   View the PTAB case documents

   Already a subscriber? Click here to login