DUOLINGO
Filed: January 21, 2014
downloadable software for mobile phones for learning foreign languages
Owned by: Duolingo, Inc.
Serial Number: 86171435
TINYCARDS
Filed: May 6, 2016
downloadable mobile applications for learning foreign languages; downloadable mobile applications for displaying flash cards…
Owned by: Duolingo, Inc.
Serial Number: 87028145
Image Trademark
Filed: November 22, 2019
Downloadable software in the nature of a mobile application which provides users with instruction in languages
Owned by: Duolingo, Inc.
Serial Number: 88703483
DUOLINGO
Filed: December 6, 2019
Lapel pins; Decorative pins, namely, ornamental lapel pins, ornamental novelty pins
Owned by: Duolingo, Inc.
Serial Number: 88718531
DUOLINGO
Filed: December 6, 2019
Clothing, namely, shirts, hoodies, sweatshirts, jackets, knit face masks being headwear; headwear
Owned by: Duolingo, Inc.
Serial Number: 88718536
DUOLINGO
Filed: December 6, 2019
Software as a service (SAAS) services featuring software for learning foreign languages; Providing a website featuring non…
Owned by: Duolingo, Inc.
Serial Number: 88718539
Image Trademark
Filed: December 6, 2019
Lapel pins; Decorative pins, namely, ornamental lapel pins, ornamental novelty pins
Owned by: Duolingo, Inc.
Serial Number: 88718544
Image Trademark
Filed: December 6, 2019
Clothing, namely, shirts, hoodies, sweatshirts, jackets, knit face masks being headwear; headwear
Owned by: Duolingo, Inc.
Serial Number: 88718547
Image Trademark
Filed: December 6, 2019
Language instruction; Providing a website featuring non-downloadable instructional videos and tutorial videos in the field…
Owned by: Duolingo, Inc.
Serial Number: 88718551
Image Trademark
Filed: December 6, 2019
Software as a service (SAAS) services featuring software for learning foreign languages; Providing a website featuring non…
Owned by: Duolingo, Inc.
Serial Number: 88718553
DUOLINGO
Filed: July 14, 2020
education services, namely, providing language proficiency testing and assessment services
Owned by: Duolingo, Inc.
Serial Number: 90052187
DUOLINGO
Filed: September 3, 2020
Sunglasses
Owned by: Duolingo, Inc.
Serial Number: 90157365
DUOLINGO
Filed: September 3, 2020
Stickers
Owned by: Duolingo, Inc.
Serial Number: 90157377
DUOLINGO
Filed: September 3, 2020
All purpose carrying bags, tote bags, backpacks
Owned by: Duolingo, Inc.
Serial Number: 90157382
DUOLINGO
Filed: September 3, 2020
Stuffed and plush toys
Owned by: Duolingo, Inc.
Serial Number: 90157386
Image Trademark
Filed: September 3, 2020
Sunglasses
Owned by: Duolingo, Inc.
Serial Number: 90157395
Image Trademark
Filed: September 3, 2020
Stickers
Owned by: Duolingo, Inc.
Serial Number: 90157399
Image Trademark
Filed: September 3, 2020
All purpose carrying bags, tote bags, backpacks
Owned by: Duolingo, Inc.
Serial Number: 90157413
Image Trademark
Filed: September 3, 2020
Stuffed and plush toys
Owned by: Duolingo, Inc.
Serial Number: 90157420
Image Trademark
Filed: September 15, 2020
Downloadable software in the nature of a mobile application which provides users with instruction in languages
Owned by: Duolingo, Inc.
Serial Number: 90181841
Image Trademark
Filed: September 15, 2020
Language instruction; Providing a website featuring non-downloadable instructional videos and tutorials in the field of…
Owned by: Duolingo, Inc.
Serial Number: 90181929
Image Trademark
Filed: September 15, 2020
Software as a service (SAAS) services featuring software for learning foreign languages; Providing a website featuring non…
Owned by: Duolingo, Inc.
Serial Number: 90181934
DUOLINGO ABC
Filed: May 2, 2023
Downloadable software for literacy development and education; downloadable mobile application software for literacy development…
Owned by: Duolingo, Inc.
Serial Number: 97917219
DUOLINGO ABC
Filed: May 2, 2023
Educational services, namely, providing online interactive instruction in the field of literacy
Owned by: Duolingo, Inc.
Serial Number: 97917223
DUOLINGO ABC
Filed: May 2, 2023
Software as a service (SAAS) services featuring software for literacy development and education; Providing a website featuring…
Owned by: Duolingo, Inc.
Serial Number: 97917228
Image Trademark
Filed: August 15, 2023
Education services, namely, providing language proficiency testing and assessment services
Owned by: Duolingo, Inc.
Serial Number: 98134090
