TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
05/21/2026
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Official data from USPTO
HDA
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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
29
Latest update
05/23/2026
Trademark type
Word
Nice classes
1
Filing date
09/10/1997
Registration date
10/13/1998
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
12/18/2018
Last transaction
05/23/2026
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
First use anywhere
07/11/1995
First use in commerce
07/11/1995
Drawing code
1
Owner type
03
Owner location
Wilmington, DE, US
Examiner
MICHOS, JOHN E
Law office
L50
Current location
GENERIC WEB UPDATE
Holders and representatives
Holders
DUPONT ELECTRONICS, INC.
E. I. DU PONT DE NEMOURS AND COMPANY
EKC Technology, Inc.
Representatives
Jeffrey M. Connor
Technical classification
Nice Classes
Class 1
Vienna Codes
No Vienna codes available.
Goods and services
Class 1
chemical compositions for removal of photoresist and post etch residues in the manufacture of semiconductors and related products
Publications
History of USPTO decisions and trademark events.
29 publications found
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
05/21/2026
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
05/21/2026
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
05/21/2026
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
05/21/2026
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
07/03/2019
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
12/18/2018
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
12/18/2018
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
12/18/2018
EROP
TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED
12/12/2018
PR89
POST REGISTRATION ACTION MAILED - SEC. 8 & 9
11/14/2018
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
10/25/2018
E89R
TEAS SECTION 8 & 9 RECEIVED
10/15/2018
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
10/15/2018
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
10/13/2017
RNL1
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
12/23/2008
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
12/23/2008
PLGL
ASSIGNED TO PARALEGAL
11/26/2008
E89R
TEAS SECTION 8 & 9 RECEIVED
11/18/2008
CFIT
CASE FILE IN TICRS
07/27/2007
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
09/27/2005
C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
01/18/2005
815F
REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED
09/24/2004
E815
TEAS SECTION 8 & 15 RECEIVED
09/24/2004
R.PR
REGISTERED-PRINCIPAL REGISTER
10/13/1998
PUBO
PUBLISHED FOR OPPOSITION
07/21/1998
NPUB
NOTICE OF PUBLICATION
06/19/1998
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
05/09/1998
DOCK
ASSIGNED TO EXAMINER
04/22/1998
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