Case Number:

IPR2022-00800

Case Type:

IPR

Status:

Final Written Decision

Petitioner:

CoStar Realty Information, Inc. et al.

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.

   ---

   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