Mark Identification
DUOLINGO
Serial Number
90052187
Filing Date
Jul 14, 2020
Registration Date
Feb 16, 2021
Trademark by
Active Trademark
Classification Information
education services, namely, providing language proficiency testing and assessment services
Education and Entertainmentproviding online, non-downloadable computer software for enabling an interactive website for use in connection with language proficiency testing and assessment
Computer and Scientific