USPTO serial 75354629
HDA
Reviewed by CopyMark Law Group
- Filing date
- Status date
- Registration date
- Oct 13, 1998
- Examiner
- MICHOS, JOHN E
- Law office
- GENERIC WEB UPDATE
What this means
Status 800 means the registration was renewed after acceptable combined Section 8 and Section 9 filings. The mark remains registered for another 10-year term with active federal protection. Calendar the next Section 8 and 9 deadline in 10 years and maintain monitoring.
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Owner
Wilmington, DE, US
E. I. DU PONT DE NEMOURS AND COMPANY
WILMINGTON, DE, US
Other trademarks owned by E. I. DU PONT DE NEMOURS AND COMPANY
Hayward, CA, US
Hayward, CA, US
Hayward, CA, US
Attorney of record
The USPTO lists this attorney as the applicant's representative for correspondence on this application.
Jeffrey M. Connor
Building 735974 Centre RoadWilmington, DE 19805Goods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 001 | chemical compositions for removal of photoresist and post etch residues in the manufacture of semiconductors and related products | ACTIVE | Jul 11, 1995 |
Related trademarks
CopyMark links this record to cited §2(d) serials, the owner's other marks, Nice classes, similar mark names, and recently changed USPTO applications.
- Other trademarks owned by DUPONT ELECTRONICS, INC.
- Other trademarks owned by E. I. DU PONT DE NEMOURS AND COMPANY
- Other trademarks owned by EKC Technology, Inc.
- Other trademarks owned by EKC Technology, Inc.
- Other trademarks owned by EKC Technology, Inc.
- Other trademarks in Class 001
- Similar marks named HDA
- Recently changed USPTO trademarks
- Recently filed trademarks
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Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| May 21, 2026 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| May 21, 2026 | ARAA | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED | This event means the applicant filed a response to a USPTO Office Action — typically arguments, amendments, or evidence addressing the examiner's objections. The USPTO will review the response and either allow the mark to proceed or issue another action. |
| May 21, 2026 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| May 21, 2026 | CHAN | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | — |
| May 21, 2026 | COAR | TEAS CHANGE OF OWNER ADDRESS RECEIVED | — |
| Jul 3, 2019 | ASGN | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP | — |
| Dec 18, 2018 | NA89 | NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED | — |
| Dec 18, 2018 | RNL2 | REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS) | The trademark registration was renewed for another 10-year term after acceptable maintenance filings. RNL1, RNL2, and RNL3 indicate which renewal cycle (first, second, or third 10-year term) was recorded. The registration remains active. |
| Dec 18, 2018 | 89AG | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED | The USPTO accepted your combined Section 8 declaration and Section 9 renewal application. The registration is renewed for another 10-year term. The next combined maintenance filing will be due at the following 10-year anniversary. |
| Dec 12, 2018 | EROP | TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED | — |
| Nov 14, 2018 | PR89 | POST REGISTRATION ACTION MAILED - SEC. 8 & 9 | — |
| Oct 25, 2018 | APRE | CASE ASSIGNED TO POST REGISTRATION PARALEGAL | — |
| Oct 15, 2018 | E89R | TEAS SECTION 8 & 9 RECEIVED | — |
| Oct 15, 2018 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Oct 13, 2017 | REM2 | COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED | — |
| Dec 23, 2008 | RNL1 | REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS) | The trademark registration was renewed for another 10-year term after acceptable maintenance filings. RNL1, RNL2, and RNL3 indicate which renewal cycle (first, second, or third 10-year term) was recorded. The registration remains active. |
| Dec 23, 2008 | 89AG | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED | The USPTO accepted your combined Section 8 declaration and Section 9 renewal application. The registration is renewed for another 10-year term. The next combined maintenance filing will be due at the following 10-year anniversary. |
| Nov 26, 2008 | PLGL | ASSIGNED TO PARALEGAL | — |
| Nov 18, 2008 | E89R | TEAS SECTION 8 & 9 RECEIVED | — |
| Jul 27, 2007 | CFIT | CASE FILE IN TICRS | — |
| Sep 27, 2005 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Jan 18, 2005 | C15A | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. | — |
| Sep 24, 2004 | 815F | REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED | — |
| Sep 24, 2004 | E815 | TEAS SECTION 8 & 15 RECEIVED | — |
| Oct 13, 1998 | R.PR | REGISTERED-PRINCIPAL REGISTER | Your trademark is registered on the Principal Register — the strongest form of federal trademark protection. You may use the ® symbol for the covered goods and services. Maintenance filings (Section 8 and renewals) are required to keep the registration alive. |
| Jul 21, 1998 | PUBO | PUBLISHED FOR OPPOSITION | Your mark was published in the USPTO Official Gazette for a 30-day opposition window. During that period, third parties who believe they would be harmed can file an opposition. If no opposition is filed, prosecution usually continues toward registration or a Notice of Allowance. |
| Jun 19, 1998 | NPUB | NOTICE OF PUBLICATION | — |
| May 9, 1998 | CNSA | APPROVED FOR PUB - PRINCIPAL REGISTER | — |
| Apr 22, 1998 | DOCK | ASSIGNED TO EXAMINER | — |