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Official data from INPI

DUOLINGO

This trademark appears in the official INPI history.

Even when the status is closed, the history helps calibrate risk, avoid repeating mistakes, and define a safe naming strategy.

REGISTADOType: VERBALOffice: PT

Quick snapshot

DUOLINGO

ST13

PT500000000677664

Class

9, 41, 42

Filing

677664

Registration

677664

Risk and opportunity diagnosis

Executive reading for naming, filing, and monitoring decisions.

Relevant history

INPI status

REGISTADO

Classification

REGISTADO

Trademark type

VERBAL

Nice classes

9, 41, 42

Filing date

12/15/2021

Registration date

03/22/2022

Expiration date

-

Recommended action

Use this history as input for naming, but confirm current availability in all relevant classes.

Next step

These are the details of the registration process. Even so, constant monitoring is what ensures peace of mind that your main asset remains protected.

Holders and representatives

Holders

DUOLINGO, INC.

Representatives

Francisca Soares De Albergaria Ferreira Pinto Hespanhol Leitão

-

Technical classification

Nice Classes

Class 9Class 41Class 42

Vienna Codes

No Vienna codes available.

Goods and services

Class 09

SOFTWARE DESCARREGÁVEL PARA TELEMÓVEIS

Class 41

PRESTAÇÃO DE SERVIÇOS DE CURSOS ONLINE; SERVIÇOS DE EDUCAÇÃO

Class 42

FORNECIMENTO DE SOFTWARE ONLINE NÃO DESCARREGÁVEL

Publications

History of INPI decisions and trademark events.

2 publications found

Continuous trademark protection

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