USPTO serial 88896921
CHEMSTREAM OILFIELD SERVICES
Reviewed by CopyMark Law Group
- Filing date
- Status date
- Registration date
- Nov 17, 2020
- Examiner
- BENMAMAN, ALICE
- Law office
- PUBLICATION AND ISSUE SECTION
What this means
This registration is in, or will soon enter, a USPTO maintenance window. Missing a Section 8 or Section 9 filing can cancel the registration.
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Owner
Attorney of record
The USPTO lists this attorney as the applicant's representative for correspondence on this application.
Matthew J. Borges
Matthew J. Borges Metz Lewis Brodman Must O'Keefe LLC444 Liberty Avenue, Suite 2100Pittsburgh, PA 15222United StatesGoods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 001 | Chemicals for use in purification of water; chemicals for use in the field of oil and gas well completion and production | ACTIVE | Aug 11, 2017 |
| 040 | Water treatment and purification; water treatment services for use in the field of oil and gas well completion and production | ACTIVE | Aug 11, 2017 |
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 Chemstream, Inc.
- Other trademarks owned by Chemstream, Inc.
- Other trademarks owned by Chemstream, Inc.
- Other trademarks in Class 001
- Other trademarks in Class 040
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Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Dec 8, 2025 | EWAF | TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS | — |
| Dec 8, 2025 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Dec 8, 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. |
| Dec 8, 2025 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Nov 17, 2025 | REM1 | COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED | — |
| Nov 17, 2020 | 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 1, 2020 | NPUB | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED | — |
| Sep 1, 2020 | 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. |
| Aug 12, 2020 | NONP | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED | — |
| Jul 28, 2020 | CNSA | APPROVED FOR PUB - PRINCIPAL REGISTER | — |
| Jul 28, 2020 | XAEC | EXAMINER'S AMENDMENT ENTERED | — |
| Jul 28, 2020 | GNEN | NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED | — |
| Jul 28, 2020 | GNEA | EXAMINERS AMENDMENT E-MAILED | — |
| Jul 28, 2020 | CNEA | EXAMINERS AMENDMENT -WRITTEN | — |
| Jul 28, 2020 | DOCK | ASSIGNED TO EXAMINER | — |
| May 16, 2020 | MDSM | NOTICE OF DESIGN SEARCH CODE E-MAILED | — |
| May 15, 2020 | NWOS | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED | — |
| May 5, 2020 | NWAP | NEW APPLICATION ENTERED | — |