USPTO serial 74563726
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
Cleveland, OH
Cleveland, OH
CLEVELAND, OH
Cleveland, OH
ST. LOUIS, MO
The USPTO lists this attorney as the applicant's representative for correspondence on this application.
Kristin J. Frost
Kristin J. Frost SIGMA-ALDRICH CO., LLC3050 Spruce StreetLaw DepartmentSt. Louis, MO 63103| Class | Description | Status | First use |
|---|---|---|---|
| 001 | chromogenic compounds and enzyme substrates intended for use in the detection of enzyme activity, identification of micro-organisms, identification of chemical compounds, indication of histochemical marker genes, and useful substrates in multi-staining assays and the like | ACTIVE | May 11, 1992 |
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 |
|---|---|---|---|
| Apr 23, 2025 | REM2 | COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED | — |
| Feb 14, 2018 | ASGN | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP | — |
| Nov 23, 2016 | ASCK | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY | — |
| Jun 23, 2016 | NA89 | NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED | — |
| Jun 23, 2016 | 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. |
| Jun 23, 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 22, 2016 | APRE | CASE ASSIGNED TO POST REGISTRATION PARALEGAL | — |
| Apr 4, 2016 | E89R | TEAS SECTION 8 & 9 RECEIVED | — |
| Apr 4, 2016 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Aug 26, 2015 | ASGN | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP | — |
| Aug 13, 2015 | 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. |
| Aug 13, 2015 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Dec 9, 2006 | 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 9, 2006 | 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 9, 2006 | PLGL | ASSIGNED TO PARALEGAL | — |
| Oct 11, 2006 | 89AF | REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED | — |
| Oct 11, 2006 | E89R | TEAS SECTION 8 & 9 RECEIVED | — |
| Aug 14, 2006 | CFIT | CASE FILE IN TICRS | — |
| Mar 19, 2002 | C15A | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. | — |
| Jan 18, 2002 | 815F | REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED | — |
| Apr 23, 1996 | 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 8, 1996 | CNPR | ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED | — |
| Feb 6, 1996 | DOCK | ASSIGNED TO EXAMINER | — |
| Jan 25, 1996 | SUPC | STATEMENT OF USE PROCESSING COMPLETE | — |
| Oct 17, 1995 | IUAF | USE AMENDMENT FILED | — |
| Aug 29, 1995 | NOAM | NOA MAILED - SOU REQUIRED FROM APPLICANT | A Notice of Allowance means your intent-to-use application cleared examination and opposition but is not registered yet. You must file a Statement of Use showing the mark in commerce, or request an extension, before the deadline — usually six months from the notice date. |
| Jun 6, 1995 | 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. |
| May 5, 1995 | NPUB | NOTICE OF PUBLICATION | — |
| Jan 19, 1995 | CNSA | APPROVED FOR PUB - PRINCIPAL REGISTER | — |
| Jan 14, 1995 | DOCK | ASSIGNED TO EXAMINER | — |