TrademarkDir
DUOLINK
LIVE

Serial Number

88792534

Owner

MERCK KGAA

Attorney

William C. Wright

First Use Date

Jul 18, 2007

Filing Date

Feb 11, 2020

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DUOLINK Trademark

Serial Number: 88792534 • Registration: 6140948

DUOLINK is a trademark filed by MERCK KGAA on February 11, 2020. The trademark is classified under Class 1 (Chemicals). The application is currently registered and active.

Owner Contact Info

MERCK KGAA (1,594 trademarks)

DARMSTADT 64293 , DE

Entity Type: 31

Sigma-Aldrich Co. LLC

3050 Spruce Street
St. Louis, MO 63103

Entity Type: 16

Trademark Details

Filing Date

February 11, 2020

Registration Date

September 1, 2020

First Use Anywhere

July 18, 2007

First Use in Commerce

July 18, 2007

Published for Opposition

June 16, 2020

Goods & Services

Chemical kit for analysis of protein interactions for laboratory research or industrial use

Filing History

TEAS SECTION 8 & 15 RECEIVED
Jun 8, 2026 E815
COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
Sep 1, 2025 REM1
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
May 20, 2021 CHAN
TEAS CHANGE OF CORRESPONDENCE RECEIVED
May 20, 2021 TCCA
TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS
May 20, 2021 ECDR
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
May 20, 2021 ARAA
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
May 20, 2021 REAP
TEAS CHANGE OF OWNER ADDRESS RECEIVED
May 20, 2021 COAR
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
Oct 28, 2020 ASGN
REGISTERED-PRINCIPAL REGISTER
Sep 1, 2020 R.PR
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
Jun 16, 2020 NPUB
PUBLISHED FOR OPPOSITION
Jun 16, 2020 PUBO
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
May 27, 2020 NONP
APPROVED FOR PUB - PRINCIPAL REGISTER
May 13, 2020 CNSA
ASSIGNED TO EXAMINER
Apr 30, 2020 DOCK
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
Feb 15, 2020 NWOS
NEW APPLICATION ENTERED
Feb 14, 2020 NWAP

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