USPTO serial 97241415
ISOTECH
Reviewed by CopyMark Law Group
- Filing date
- Status date
- Registration date
- Feb 28, 2023
- Examiner
- HARPER, HANNAH B
- Law office
- PUBLICATION AND ISSUE SECTION
What this means
Status 700 means the trademark is registered and active on the Principal Register. You have nationwide rights for the listed goods and services and may use ®. Section 8 maintenance is due between years five and six. Calendar Section 8 between years five and six, and consider trademark monitoring.
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Owner
STRATUM RESERVOIR (ISOTECH), LLC
HOUSTON, TX, US
STRATUM RESERVOIR (ISOTECH), LLC
Houston, TX, US
STRATUM RESERVOIR (ISOTECH), LLC
HOUSTON, TX, US
Attorney of record
The USPTO lists this attorney as the applicant's representative for correspondence on this application.
Carla B. Oakley
Carla B. Oakley Morgan, Lewis & Bockius LLP600 Montgomery Street, Suite 2300San Francisco, CA 94111United StatesGoods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 042 | geochemical analysis of natural gas; chemical analysis of organic solid and liquid materials | ACTIVE | Nov 18, 1985 |
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 STRATUM RESERVOIR (ISOTECH), LLC
- Other trademarks owned by STRATUM RESERVOIR (ISOTECH), LLC
- Other trademarks owned by STRATUM RESERVOIR (ISOTECH), LLC
- Other trademarks in Class 042
- Similar marks named ISOTECH
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- Browse all trademark records
Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Apr 7, 2026 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Apr 7, 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. |
| Apr 7, 2026 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Aug 26, 2025 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Aug 26, 2025 | 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 26, 2025 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Aug 26, 2025 | CHAN | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | — |
| Aug 26, 2025 | COAR | TEAS CHANGE OF OWNER ADDRESS RECEIVED | — |
| Feb 28, 2023 | NRCC | NOTICE OF REGISTRATION CONFIRMATION EMAILED | — |
| Feb 28, 2023 | 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. |
| Dec 13, 2022 | NPUB | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED | — |
| Dec 13, 2022 | 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. |
| Nov 23, 2022 | NONP | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED | — |
| Nov 9, 2022 | CNSA | APPROVED FOR PUB - PRINCIPAL REGISTER | — |
| Nov 8, 2022 | DOCK | ASSIGNED TO EXAMINER | — |
| Feb 1, 2022 | NWOS | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED | — |
| Jan 31, 2022 | NWAP | NEW APPLICATION ENTERED | — |