REM1
COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
03/23/2026
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Official data from USPTO
DUOLINK GO
Did you know this trademark is already registered in United States?
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Active USPTO registrationType: CombinedOffice: United States
Risk and opportunity diagnosis
Executive reading for naming, filing, and monitoring decisions.
USPTO status
Active USPTO registration
Case type
Application and registration
Recorded events
16
Latest update
03/24/2026
Trademark type
Combined
Nice classes
9
Filing date
02/25/2020
Registration date
03/23/2021
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
03/23/2021
Last transaction
03/24/2026
Responsible office
United States Patent and Trademark Office
Status code
700
Official register
Principal Register
First use anywhere
02/21/2020
First use in commerce
02/21/2020
Drawing code
3
Owner type
16
Owner location
Shenzhen, CN
Examiner
ALAO, OREOLUWA
Law office
L80
Current location
PUBLICATION AND ISSUE SECTION
Mark description
The mark consists of the stylized wording "DUOLINK", where the letter "O" appears as a paper clip. The stylized wording "GO" appears in a slanted superscript above, and to the right of, the "K" in "DUOLINK". The "O" in "GO" is partially open and encircles the bottom of the "G".
Holders and representatives
Holders
Shenzhen Qianhai Patuoxun Network & Technology Co.,Ltd.
Representatives
Chinhwei Chen JIANQ CHYUN INTELLECTUAL PROPERTY OFFICE
Technical classification
Nice Classes
Class 9
Vienna Codes
No Vienna codes available.
Goods and services
Class 9
Audio headphones; Computer keyboards; Computer mice; Loud speakers; Music headphones; Noise cancelling headphones; Wireless chargers; Wireless ear buds; Wireless speakers; Wireless transmitters and receivers; MP3 players
Publications
History of USPTO decisions and trademark events.
16 publications found
R.PR
REGISTERED-PRINCIPAL REGISTER
03/23/2021
NPUB
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
01/05/2021
PUBO
PUBLISHED FOR OPPOSITION
01/05/2021
NONP
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
12/16/2020
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
12/01/2020
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
11/09/2020
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
11/08/2020
TROA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
11/08/2020
GNRN
NOTIFICATION OF NON-FINAL ACTION E-MAILED
05/22/2020
GNRT
NON-FINAL ACTION E-MAILED
05/22/2020
CNRT
NON-FINAL ACTION WRITTEN
05/22/2020
DOCK
ASSIGNED TO EXAMINER
05/14/2020
MDSM
NOTICE OF DESIGN SEARCH CODE E-MAILED
02/29/2020
NWOS
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
02/28/2020
NWAP
NEW APPLICATION ENTERED
02/28/2020
Continuous trademark protection
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