TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
11/21/2025
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Official data from USPTO
'EIKEN'
Did you know this trademark is already registered in United States?
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Active USPTO registrationType: WordOffice: 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
39
Latest update
11/26/2025
Trademark type
Word
Nice classes
1
Filing date
12/08/1980
Registration date
06/18/1985
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
06/20/2025
Last transaction
11/26/2025
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
Drawing code
1
Owner type
03
Owner location
Chiyoda-ku, Tokyo, JP
Current location
PUBLICATION AND ISSUE SECTION
Holders and representatives
Holders
Eiken Chemical Co., Ltd.
Eiken Chemical Co., Ltd.
Representatives
Ee Ming T. Bahk Oliff PLC
Technical classification
Nice Classes
Class 1
Vienna Codes
No Vienna codes available.
Goods and services
Class 1
Diagnostic Reagents for In Vitro or Laboratory Use
Publications
History of USPTO decisions and trademark events.
39 publications found
ECDR
TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS
11/21/2025
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
11/21/2025
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
11/21/2025
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
11/21/2025
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
11/21/2025
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
06/20/2025
RNL3
REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
06/20/2025
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
06/20/2025
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
06/20/2025
E89R
TEAS SECTION 8 & 9 RECEIVED
01/14/2025
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
06/18/2024
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
07/02/2015
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
07/02/2015
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
07/02/2015
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
07/02/2015
E89R
TEAS SECTION 8 & 9 RECEIVED
06/12/2015
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
09/12/2008
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
09/12/2008
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
05/30/2008
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
05/30/2008
CFIT
CASE FILE IN TICRS
05/22/2008
RNL1
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
12/30/2005
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
12/30/2005
PLGL
ASSIGNED TO PARALEGAL
12/30/2005
89AF
REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
09/22/2005
E89R
TEAS SECTION 8 & 9 RECEIVED
09/22/2005
8.OK
REGISTERED - SEC. 8 (6-YR) ACCEPTED
10/31/1991
8.AF
REGISTERED - SEC. 8 (6-YR) FILED
06/18/1991
R.PR
REGISTERED-PRINCIPAL REGISTER
06/18/1985
PUBO
PUBLISHED FOR OPPOSITION
04/09/1985
NPUB
NOTICE OF PUBLICATION
03/21/1985
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
08/31/1984
CNRT
NON-FINAL ACTION MAILED
08/09/1984
ZZZZ
ALLOWANCE/COUNT WITHDRAWN
07/18/1984
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
07/03/1984
CNSI
INQUIRY AS TO SUSPENSION MAILED
01/03/1984
CNSL
LETTER OF SUSPENSION MAILED
12/08/1981
DOCK
ASSIGNED TO EXAMINER
04/07/1981
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