Case Number:

IPR2020-01656

Case Type:

IPR

Status:

Final Written Decision

Petitioner:

Zillow, Inc.

Patent Owner:

International Business Machines Corporation

Patent Number:

8315904

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.

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