USPTO serial 99022842
KNOW ESR1
Reviewed by CopyMark Law Group
- Filing date
- Status date
- Registration date
- Oct 21, 2025
- Examiner
- MOULTON, NICHOLAS C
- Law office
- FILE REPOSITORY (FRANCONIA)
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
Attorney of record
The USPTO lists this attorney as the applicant's representative for correspondence on this application.
Arthur DeBaugh
Arthur DeBaugh Allman Spry Leggett Crumpler & Horn, P.A.380 Knollwood Street, Suite 700Winston-Salem, NC 27103United StatesGoods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 041 | Educational services, namely, providing classes, seminars, workshops in the fields of medicine and pharmaceuticals; Medical training and teaching; Organizing and conducting of conventions in the field of medicine and pharmaceuticals; Consultancy relating to arranging and conducting of congresses; Arranging and conducting of conferences and congresses in the field of medicine and pharmaceuticals | ACTIVE | Jul 26, 2024 |
| 044 | Consulting services in the field of medical care; Providing medical information | ACTIVE | Jul 26, 2024 |
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 Stemline Therapeutics, Inc.
- Other trademarks owned by Stemline Therapeutics, Inc.
- Other trademarks owned by Stemline Therapeutics, Inc.
- Other trademarks in Class 041
- Other trademarks in Class 044
- Similar marks named KNOW ESR1
- Recently changed USPTO trademarks
- Recently filed trademarks
- Browse all trademark records
Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Jul 31, 2026 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Jul 31, 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. |
| Jul 31, 2026 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Oct 21, 2025 | NRCC | NOTICE OF REGISTRATION CONFIRMATION EMAILED | — |
| Oct 21, 2025 | 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 2, 2025 | NPUB | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED | — |
| Sep 2, 2025 | 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 27, 2025 | NONP | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED | — |
| Aug 1, 2025 | CNSA | APPROVED FOR PUB - PRINCIPAL REGISTER | — |
| Jul 28, 2025 | AMPX | PRELIMINARY/VOLUNTARY AMENDMENT - ENTERED | — |
| Jul 28, 2025 | PARI | TEAS VOLUNTARY AMENDMENT RECEIVED | — |
| Jul 9, 2025 | DOCK | ASSIGNED TO EXAMINER | — |
| Jul 1, 2025 | MDSM | NOTICE OF DESIGN SEARCH CODE E-MAILED | — |
| Jul 1, 2025 | NWOS | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED | — |
| Jan 29, 2025 | MAFR | APPLICATION FILING RECEIPT MAILED | — |
| Jan 29, 2025 | NWAP | NEW APPLICATION ENTERED | — |