REM1
COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
08/17/2026
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Official data from USPTO
DUER OS
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
51
Latest update
08/17/2026
Trademark type
Combined
Nice classes
11
Filing date
08/08/2018
Registration date
08/17/2021
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
08/17/2021
Last transaction
08/17/2026
Responsible office
United States Patent and Trademark Office
Status code
700
Official register
Principal Register
Filing basis
Intent to use
Drawing code
3
Owner type
99
Owner location
Beijing, CN
Examiner
LE, MARGARET
Law office
M90
Current location
PUBLICATION AND ISSUE SECTION
Mark description
The mark consists of the stylized wording "DUER OS" where the interior of the letter "O" in "OS" consists of a speech bubble with five vertical lines depicted inside.
Holders and representatives
Holders
BAIDU ONLINE NETWORK TECHNOLOGY (BEIJING) CO., LTD.
BAIDU ONLINE NETWORK TECHNOLOGY (BEIJING) CO., LTD.
Representatives
Ben Natter HAUG PARTNERS LLP
Technical classification
Nice Classes
Class 11
Vienna Codes
No Vienna codes available.
Goods and services
Class 11
Air-conditioning apparatus and installations; Air purifying apparatus and machines; Arc lamps; Electric fans for personal use; Electric rice cooker; Incandescent lamps; Lighting fixtures; Refrigerators; Water sterilizers
Publications
History of USPTO decisions and trademark events.
51 publications found
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
01/20/2022
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
01/20/2022
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
01/20/2022
R.PR
REGISTERED-PRINCIPAL REGISTER
08/17/2021
NPUB
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
06/01/2021
PUBO
PUBLISHED FOR OPPOSITION
06/01/2021
NONP
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
05/12/2021
RPUB
NOA CANCELLED; REPUBLICATION REQUIRED
04/27/2021
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
04/16/2021
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
04/15/2021
TROA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
04/15/2021
MREI
NOTICE OF REINSTATEMENT E-MAILED
10/30/2020
GNRN
NOTIFICATION OF NON-FINAL ACTION E-MAILED
10/28/2020
GNRT
NON-FINAL ACTION E-MAILED
10/28/2020
CNRT
SU - NON-FINAL ACTION - WRITTEN
10/28/2020
PCBG
PETITION TO DIRECTOR - CHANGE BASIS - GRANTED
10/27/2020
RGIA
REINSTATEMENT GRANTED - INADVERTENTLY ABANDONED
10/27/2020
APET
ASSIGNED TO PETITION STAFF
10/27/2020
MAB6
ABANDONMENT NOTICE E-MAILED - NO USE STATEMENT FILED
10/13/2020
ABN6
ABANDONMENT - NO USE STATEMENT FILED
10/12/2020
IUCN
NOTICE OF ALLOWANCE CANCELLED
09/10/2020
TPAD
TEAS PETITION TO AMEND BASIS RECEIVED
09/08/2020
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
06/12/2020
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
06/12/2020
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
06/12/2020
EXRA
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
03/12/2020
EX1G
SOU EXTENSION 1 GRANTED
03/10/2020
EXT1
SOU EXTENSION 1 FILED
03/10/2020
EEXT
SOU TEAS EXTENSION RECEIVED
03/10/2020
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
02/25/2020
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
02/25/2020
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
02/25/2020
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
02/25/2020
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
02/25/2020
NOAM
NOA E-MAILED - SOU REQUIRED FROM APPLICANT
09/10/2019
NPUB
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
07/16/2019
PUBO
PUBLISHED FOR OPPOSITION
07/16/2019
NONP
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
06/26/2019
ALIE
ASSIGNED TO LIE
06/13/2019
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
05/30/2019
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
05/29/2019
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
05/29/2019
TROA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
05/29/2019
GNRN
NOTIFICATION OF NON-FINAL ACTION E-MAILED
11/30/2018
GNRT
NON-FINAL ACTION E-MAILED
11/30/2018
CNRT
NON-FINAL ACTION WRITTEN
11/30/2018
DOCK
ASSIGNED TO EXAMINER
11/27/2018
MDSC
NOTICE OF DESIGN SEARCH CODE E-MAILED
08/17/2018
NWOS
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
08/16/2018
NWAP
NEW APPLICATION ENTERED
08/11/2018
Continuous trademark protection
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