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CoStar Realty Information, Inc. et al. Inter Partes Review
Case Number:
Case Type:
IPR
Status:
Final Written Decision
Petitioner:
CoStar Realty Information, Inc. et al.
Patent Owner:
Tech Center:
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Filed: April 04, 2022 00:00
Coverage
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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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November 20, 2023