USPTO serial 97697460
SST
Reviewed by CopyMark Law Group
- Filing date
- Status date
- Registration date
- Apr 28, 2026
- Examiner
- SULLIVAN, JOHN C
- 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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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.
Current trademark owner
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Not the owner?
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Owner
Sumitomo Chemical Company, Limited
Tokyo, JP
Other trademarks owned by Sumitomo Chemical Company, Limited
Sumitomo Chemical Company, Limited
Tokyo, JP
Other trademarks owned by Sumitomo Chemical Company, Limited
Sumitomo Chemical Company, Limited
Tokyo, JP
Other trademarks owned by Sumitomo Chemical Company, Limited
Attorney of record
The USPTO lists this attorney as the applicant's representative for correspondence on this application.
M. Scott Alprin
M. Scott Alprin Alprin Law Offices, P.C.5 Pinehurst Circle, N.W.Washington, DC 20015United StatesGoods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 001 | Photoresists; photoresists applied in semiconductor manufacturing process, namely, lithography; detergents for use in the manufacture of semiconductors; detergents applied in semiconductor manufacturing process, namely, wafer cleaning, lithography and etching | ACTIVE | Aug 31, 2025 |
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 Sumitomo Chemical Company, Limited
- Other trademarks owned by Sumitomo Chemical Company, Limited
- Other trademarks owned by Sumitomo Chemical Company, Limited
- Other trademarks in Class 001
- Similar marks named SST
- Recently changed USPTO trademarks
- Recently filed trademarks
- Browse all trademark records
Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Apr 28, 2026 | NRCC | NOTICE OF REGISTRATION CONFIRMATION EMAILED | — |
| Apr 28, 2026 | 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. |
| Apr 9, 2026 | SUNA | NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED | — |
| Apr 9, 2026 | CNPR | ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED | — |
| Mar 31, 2026 | SUPC | STATEMENT OF USE PROCESSING COMPLETE | — |
| Mar 31, 2026 | AITU | CASE ASSIGNED TO INTENT TO USE PARALEGAL | — |
| Oct 1, 2025 | IUAF | USE AMENDMENT FILED | — |
| Oct 1, 2025 | 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. |
| Sep 15, 2025 | EXRA | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED | — |
| Jun 12, 2025 | EX4G | SOU EXTENSION 4 GRANTED | — |
| Jun 12, 2025 | EXT4 | SOU EXTENSION 4 FILED | — |
| Jun 12, 2025 | EEXT | SOU TEAS EXTENSION RECEIVED | The applicant requested more time to file a Statement of Use before the Notice of Allowance deadline. Each extension typically adds six months. A limited number of extensions are available for intent-to-use applications not yet in use. |
| Mar 4, 2025 | EXRA | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED | — |
| Jan 7, 2025 | EX3G | SOU EXTENSION 3 GRANTED | — |
| Jan 7, 2025 | EXT3 | SOU EXTENSION 3 FILED | — |
| Jan 7, 2025 | EEXT | SOU TEAS EXTENSION RECEIVED | The applicant requested more time to file a Statement of Use before the Notice of Allowance deadline. Each extension typically adds six months. A limited number of extensions are available for intent-to-use applications not yet in use. |
| Jul 8, 2024 | EXRA | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED | — |
| Jul 8, 2024 | EX2G | SOU EXTENSION 2 GRANTED | — |
| Jul 8, 2024 | EXT2 | SOU EXTENSION 2 FILED | — |
| Jul 8, 2024 | EEXT | SOU TEAS EXTENSION RECEIVED | The applicant requested more time to file a Statement of Use before the Notice of Allowance deadline. Each extension typically adds six months. A limited number of extensions are available for intent-to-use applications not yet in use. |
| Dec 15, 2023 | EXRA | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED | — |
| Dec 13, 2023 | EX1G | SOU EXTENSION 1 GRANTED | — |
| Dec 13, 2023 | EXT1 | SOU EXTENSION 1 FILED | — |
| Dec 13, 2023 | EEXT | SOU TEAS EXTENSION RECEIVED | The applicant requested more time to file a Statement of Use before the Notice of Allowance deadline. Each extension typically adds six months. A limited number of extensions are available for intent-to-use applications not yet in use. |
| Aug 8, 2023 | 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. |
| Jun 13, 2023 | NPUB | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED | — |
| Jun 13, 2023 | 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. |
| Jun 6, 2023 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Jun 6, 2023 | ECDR | TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS | — |
| Jun 6, 2023 | 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 6, 2023 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| May 24, 2023 | NONP | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED | — |
| May 8, 2023 | CNSA | APPROVED FOR PUB - PRINCIPAL REGISTER | — |
| May 8, 2023 | XAEC | EXAMINER'S AMENDMENT ENTERED | — |
| May 8, 2023 | GNEN | NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED | — |
| May 8, 2023 | GNEA | EXAMINERS AMENDMENT E-MAILED | — |
| May 8, 2023 | CNEA | EXAMINERS AMENDMENT -WRITTEN | — |
| Apr 28, 2023 | DOCK | ASSIGNED TO EXAMINER | — |
| Dec 23, 2022 | MDSC | NOTICE OF DESIGN SEARCH CODE E-MAILED | — |
| Dec 22, 2022 | NWOS | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED | — |
| Dec 3, 2022 | NWAP | NEW APPLICATION ENTERED | — |