CoStar Realty Information, Inc. et al. Inter Partes Review

Track this case

Case Number:

IPR2022-00800

Case Type:

IPR

Status:

Final Written Decision

Petitioner:

CoStar Realty Information, Inc. et al.

Patent Owner:

Tech Center:

  1. Filed: April 04, 2022 00:00

    Coverage

    1. November 20, 2023

      Duolingo Notches PTAB Win On Computer Font Patent

      The Patent Trial and Appeal Board has found that all challenged claims in a computer font patent were invalid, providing a boost to Duolingo Inc. and CoStar Realty Information Inc. as they fight infringement allegations over the patent in district court cases.


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