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TTABVUE. Trademark Trial and Appeal Board Inquiry System
v2.6.0

Summary

Query: Party Name contains all words: DUOLINGO, INC.
Number of results: 3

Proceeding
Filing Date
Defendant(s),
Property(ies)
Plaintiff(s),
Property(ies)
91266256
12/01/2020
Duolingo, Inc.
Mark: DUOLINGO S#:90157365
Liingo Eyewear, Inc.
Mark: LIINGO S#:87229058 R#:5331223
87206853
08/22/2018
MONKIMUN, INC
Mark: LINGOKIDS S#:87206853
Duolingo, Inc.
86328296
12/15/2014
TeleLingo LLC
Mark: TELELINGO S#:86328296
Duolingo, Inc.

Results as of 04/13/2025 09:19 PMSearch again
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