USPTO serial 78370971
Reviewed by CopyMark Law Group
This registration is in, or will soon enter, a USPTO maintenance window. Missing a Section 8 or Section 9 filing can cancel the registration.
If you own this trademark, we can monitor new filings and help with USPTO deadlines. If you do not, we can file a new U.S. application.
Plus Government fees of $850
The USPTO lists this attorney as the applicant's representative for correspondence on this application.
Chinhwei Chen
Chinhwei Chen Jianq Chyun Intellectual Property Office7F.-1, No. 100, Roosevelt Rd. Sec. 2Taipei, 10084TAIWAN| Class | Description | Status | First use |
|---|---|---|---|
| 001 | chemicals, namely hydrofluoric acid ammonium fluoride, aqueous solutions, buffered hydrogen fluoride, buffered hydrogen fluoride with surfactants, loc ammonium buffered hydrogen fluoride and low ammonium hydrogen fluoride with surfactants for use in the field of semiconductors and the surface treatment of stainless and frosted glass | ACTIVE | Jul 1, 1997 |
CopyMark links this record to cited §2(d) serials, the owner's other marks, Nice classes, similar mark names, and recently changed USPTO applications.
| Date | Code | Event | What it means |
|---|---|---|---|
| Mar 16, 2026 | NA89 | NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED | — |
| Mar 16, 2026 | 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. |
| Mar 16, 2026 | 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. |
| Mar 16, 2026 | APRE | CASE ASSIGNED TO POST REGISTRATION PARALEGAL | — |
| Dec 25, 2025 | E89R | TEAS SECTION 8 & 9 RECEIVED | — |
| May 2, 2025 | REM2 | COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED | — |
| Jul 18, 2018 | CHAN | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | — |
| Jul 18, 2018 | COAR | TEAS CHANGE OF OWNER ADDRESS RECEIVED | — |
| Jun 9, 2016 | NA89 | NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED | — |
| Jun 9, 2016 | 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. |
| Jun 9, 2016 | 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. |
| Jun 9, 2016 | APRE | CASE ASSIGNED TO POST REGISTRATION PARALEGAL | — |
| Mar 22, 2016 | E89R | TEAS SECTION 8 & 9 RECEIVED | — |
| May 2, 2015 | REM2 | COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED | — |
| May 26, 2011 | C15A | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. | — |
| May 24, 2011 | E815 | TEAS SECTION 8 & 15 RECEIVED | — |
| Nov 20, 2008 | MDSC | NOTICE OF DESIGN SEARCH CODE MAILED | — |
| Jun 2, 2008 | 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. |
| Jun 2, 2008 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Feb 21, 2007 | A7OK | AMENDMENT UNDER SECTION 7 - PROCESSED | — |
| Jan 12, 2007 | A7OK | AMENDMENT UNDER SECTION 7 - PROCESSED | — |
| Nov 29, 2006 | PLGL | ASSIGNED TO PARALEGAL | — |
| Aug 7, 2006 | AMD7 | SEC 7 REQUEST FILED | — |
| Aug 7, 2006 | PAPER RECEIVED | — | |
| Aug 1, 2006 | PAPER RECEIVED | — | |
| May 2, 2006 | 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. |
| Feb 7, 2006 | 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. |
| Jan 18, 2006 | NPUB | NOTICE OF PUBLICATION | — |
| Dec 29, 2005 | PREV | LAW OFFICE PUBLICATION REVIEW COMPLETED | — |
| Dec 23, 2005 | ALIE | ASSIGNED TO LIE | — |
| Nov 3, 2005 | CNSA | APPROVED FOR PUB - PRINCIPAL REGISTER | — |
| Nov 16, 2004 | ACEC | AMENDMENT FROM APPLICANT ENTERED | — |
| Nov 15, 2004 | ALIE | ASSIGNED TO LIE | — |
| Nov 15, 2004 | ALIE | ASSIGNED TO LIE | — |
| Oct 18, 2004 | CRFA | CORRESPONDENCE RECEIVED IN LAW OFFICE | — |
| Oct 18, 2004 | PAPER RECEIVED | — | |
| Sep 9, 2004 | CNRT | NON-FINAL ACTION MAILED | A non-final Office Action means the USPTO examining attorney has raised at least one issue with your trademark application but has not made a final decision. You usually have three months to respond with arguments, amendments, or evidence. Missing the deadline can abandon the application. |
| Sep 9, 2004 | CNRT | NON-FINAL ACTION WRITTEN | A non-final Office Action means the USPTO examining attorney has raised at least one issue with your trademark application but has not made a final decision. You usually have three months to respond with arguments, amendments, or evidence. Missing the deadline can abandon the application. |
| Sep 9, 2004 | DOCK | ASSIGNED TO EXAMINER | — |
| Mar 5, 2004 | NWAP | NEW APPLICATION ENTERED | — |