USPTO serial 86370961
Reviewed by CopyMark Law Group
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.
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.
Houston, TX
Houston, TX
CLEARWELL OILFIELD SOLUTIONS LIMITED
POOLE, DORSET, GB
Other trademarks owned by CLEARWELL OILFIELD SOLUTIONS LIMITED
Lubrizol Oilfield Solutions, Inc.
Wickliffe, OH
Lubrizol Oilfield Solutions, Inc.
Wickliffe, OH
The USPTO lists this attorney as the applicant's representative for correspondence on this application.
Mainak H. Mehta
Mainak H. Mehta Procopio, Cory, Hargreaves & Savitch LLP525 B Street, Suite 2200San Diego, CA 92101United States| Class | Description | Status | First use |
|---|---|---|---|
| 009 | Surface device attached to piping and electrically powered to randomly generate a pulsating electrical field throughout the system greatly inhibiting carbonate and sulfate scale, and pariffin formation on interior walls | ACTIVE | Jan 26, 2011 |
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 |
|---|---|---|---|
| Dec 23, 2025 | NA89 | NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED | — |
| Dec 23, 2025 | 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, 2025 | 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 23, 2025 | APRE | CASE ASSIGNED TO POST REGISTRATION PARALEGAL | — |
| Sep 16, 2025 | E89R | TEAS SECTION 8 & 9 RECEIVED | — |
| Oct 28, 2024 | REM2 | COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED | — |
| Apr 19, 2022 | NA85 | NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED | — |
| Apr 19, 2022 | C15A | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. | — |
| Apr 11, 2022 | APRE | CASE ASSIGNED TO POST REGISTRATION PARALEGAL | — |
| Oct 27, 2021 | E815 | TEAS SECTION 8 & 15 RECEIVED | — |
| Oct 27, 2020 | REM1 | COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED | — |
| Feb 7, 2018 | ASGN | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP | — |
| Feb 6, 2018 | 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. |
| Feb 6, 2018 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Oct 27, 2015 | 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. |
| Sep 22, 2015 | SUNA | NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED | — |
| Sep 21, 2015 | CNPR | ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED | — |
| Aug 31, 2015 | SUPC | STATEMENT OF USE PROCESSING COMPLETE | — |
| Aug 31, 2015 | AITU | CASE ASSIGNED TO INTENT TO USE PARALEGAL | — |
| Aug 26, 2015 | ASCK | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY | — |
| Aug 17, 2015 | IUAF | USE AMENDMENT FILED | — |
| Aug 17, 2015 | EISU | TEAS STATEMENT OF USE RECEIVED | The applicant filed a Statement of Use with specimens showing the mark in actual commerce. The USPTO will review the filing for compliance. If accepted, the mark can proceed to registration; if deficient, the USPTO may issue a requirement or office action. |
| Aug 17, 2015 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Feb 17, 2015 | NOAM | NOA E-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. |
| Dec 23, 2014 | NPUB | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED | — |
| Dec 23, 2014 | 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. |
| Dec 3, 2014 | NONP | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED | — |
| Nov 12, 2014 | CNSA | APPROVED FOR PUB - PRINCIPAL REGISTER | — |
| Nov 7, 2014 | DOCK | ASSIGNED TO EXAMINER | — |
| Sep 3, 2014 | MPMK | NOTICE OF PSEUDO MARK E-MAILED | — |
| Sep 2, 2014 | NWOS | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED | — |
| Aug 22, 2014 | NWAP | NEW APPLICATION ENTERED | — |