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HDA
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Serial Number

75354629

Owner

E. I. DU PONT DE NEMOURS AND COMPANY

Attorney

Jeffrey M. Connor

First Use Date

Jul 11, 1995

Filing Date

Sep 10, 1997

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HDA Trademark

Serial Number: 75354629 • Registration: 2195771

HDA is a trademark filed by E. I. DU PONT DE NEMOURS AND COMPANY on September 10, 1997. The trademark is classified under Class 1 (Chemicals). The application is currently registered and active.

Owner Contact Info

E. I. DU PONT DE NEMOURS AND COMPANY

WILMINGTON, DE 19898

Entity Type: 03

EKC Technology, Inc.

Hayward, CA 94545

Entity Type: 03

DUPONT ELECTRONICS, INC. (52 trademarks)

974 CENTRE ROAD
WILMINGTON, DE 19805

Entity Type: 03

Trademark Details

Filing Date

September 10, 1997

Registration Date

October 13, 1998

First Use Anywhere

July 11, 1995

First Use in Commerce

July 11, 1995

Published for Opposition

July 21, 1998

Goods & Services

chemical compositions for removal of photoresist and post etch residues in the manufacture of semiconductors and related products

Filing History

TEAS CHANGE OF CORRESPONDENCE RECEIVED
May 21, 2026 TCCA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
May 21, 2026 ARAA
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
May 21, 2026 REAP
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
May 21, 2026 CHAN
TEAS CHANGE OF OWNER ADDRESS RECEIVED
May 21, 2026 COAR
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
Jul 3, 2019 ASGN
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
Dec 18, 2018 NA89
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
Dec 18, 2018 RNL2
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
Dec 18, 2018 89AG
TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED
Dec 12, 2018 EROP
POST REGISTRATION ACTION MAILED - SEC. 8 & 9
Nov 14, 2018 PR89
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
Oct 25, 2018 APRE
TEAS SECTION 8 & 9 RECEIVED
Oct 15, 2018 E89R
TEAS CHANGE OF CORRESPONDENCE RECEIVED
Oct 15, 2018 TCCA
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
Oct 13, 2017 REM2
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
Dec 23, 2008 RNL1
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
Dec 23, 2008 89AG
ASSIGNED TO PARALEGAL
Nov 26, 2008 PLGL
TEAS SECTION 8 & 9 RECEIVED
Nov 18, 2008 E89R
CASE FILE IN TICRS
Jul 27, 2007 CFIT
TEAS CHANGE OF CORRESPONDENCE RECEIVED
Sep 27, 2005 TCCA
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
Jan 18, 2005 C15A
REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED
Sep 24, 2004 815F
TEAS SECTION 8 & 15 RECEIVED
Sep 24, 2004 E815
REGISTERED-PRINCIPAL REGISTER
Oct 13, 1998 R.PR
PUBLISHED FOR OPPOSITION
Jul 21, 1998 PUBO
NOTICE OF PUBLICATION
Jun 19, 1998 NPUB
APPROVED FOR PUB - PRINCIPAL REGISTER
May 9, 1998 CNSA
ASSIGNED TO EXAMINER
Apr 22, 1998 DOCK

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