E815
TEAS SECTION 8 & 15 RECEIVED
07/17/2026
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Official data from USPTO
SIGMASTAR
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
30
Latest update
07/18/2026
Trademark type
Combined
Nice classes
9, 42
Filing date
04/08/2020
Registration date
10/20/2020
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
10/20/2020
Last transaction
07/18/2026
Responsible office
United States Patent and Trademark Office
Status code
700
Official register
Principal Register
Drawing code
3
Owner type
03
Owner location
XIAMEN, CN
Examiner
CLAYTON, CHERYL A
Law office
N60
Current location
TMO LAW OFFICE 124
Mark description
The mark consists of stylized word "SigmaStar"; the letter "a" is tilted and contains a circle inside with a 5-pointed star.
Holders and representatives
Holders
SIGMASTAR TECHNOLOGY LTD.
XIAMEN SIGMASTAR TECHNOLOGY LTD.
Representatives
Andrew T. Rissler Patel IP, P.C.
Technical classification
Nice Classes
Class 9Class 42
Vienna Codes
No Vienna codes available.
Goods and services
Class 9
Chips integrated circuits; Semiconductor chips; Large scale integrated circuits; Circuit boards provided with integrated circuits; Circuit boards; Electronic semi-conductors; Electronic circuits; Electronic circuit boards; Electronic integrated circuits; Integrated circuit modules; Computer chips; Structured semi-conductor wafers; Microchips; Microchip computer hardware; Electronic chips for the manufacture of integrated circuits; Computer circuit boards; Integrated circuits; Semi-conductors; Wafers for integrated circuits; Printed circuit boards; Multiprocessor chips; High definition graphic chipsets
Class 42
Design of integrated circuits
Publications
History of USPTO decisions and trademark events.
30 publications found
EWAF
TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS
06/23/2026
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
06/23/2026
EWOR
TEAS WITHDRAWAL AS DOMESTIC REPRESENTATIVE RECEIVED
06/23/2026
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
06/23/2026
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
06/23/2026
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
06/23/2026
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
06/23/2026
REM1
COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
10/20/2025
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
09/22/2021
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
09/13/2021
ECDR
TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS
09/13/2021
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
09/13/2021
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
09/13/2021
R.PR
REGISTERED-PRINCIPAL REGISTER
10/20/2020
NPUB
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
08/04/2020
PUBO
PUBLISHED FOR OPPOSITION
08/04/2020
NONP
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
07/15/2020
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
06/25/2020
XAEC
EXAMINER'S AMENDMENT ENTERED
06/25/2020
GNEN
NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED
06/25/2020
GNEA
EXAMINERS AMENDMENT E-MAILED
06/25/2020
CNEA
EXAMINERS AMENDMENT -WRITTEN
06/25/2020
DOCK
ASSIGNED TO EXAMINER
06/25/2020
AMPX
PRELIMINARY/VOLUNTARY AMENDMENT - ENTERED
04/21/2020
ALIE
ASSIGNED TO LIE
04/20/2020
MDSM
NOTICE OF DESIGN SEARCH CODE E-MAILED
04/17/2020
NWOS
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
04/16/2020
PARI
TEAS VOLUNTARY AMENDMENT RECEIVED
04/14/2020
NWAP
NEW APPLICATION ENTERED
04/11/2020
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