USPTO serial 79392564
STEMPREP
Reviewed by CopyMark Law Group
- Filing date
- Status date
- Registration date
- Oct 28, 2025
- Examiner
- LUCAS, PATRICK T
- 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.
Margaret McHugh
Margaret McHugh KILPATRICK TOWNSEND & STOCKTON LLPTwo Embarcadero Center, Suite 1900San Francisco, CA 94111United StatesGoods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 001 | Reagents for the automated dissociation of tissues into cell suspensions for scientific research and laboratory use | ACTIVE | — |
| 009 | Laboratory instruments comprising of microprocessors, microcontrollers, computer hardware and recorded software for the automated dissociation of tissues into cell suspensions for scientific research and laboratory use, and related accessories for scientific research and laboratory use, namely laboratory storage tubes, specialized cartridges to mince biological samples, specialized cartridges to dissociate biological samples, and specialized cartridges to homogenize biological samples | ACTIVE | — |
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 STEMCELL Technologies Canada Inc.
- Other trademarks owned by STEMCELL Technologies Canada Inc.
- Other trademarks owned by STEMCELL Technologies Canada Inc.
- Other trademarks in Class 001
- Other trademarks in Class 009
- Similar marks named STEMPREP
- Recently changed USPTO trademarks
- Recently filed trademarks
- Browse all trademark records
Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Oct 15, 2026 | LIMG | LIMITATION OF GOODS RECEIVED FROM IB | — |
| May 28, 2026 | FINO | FINAL DECISION TRANSACTION PROCESSED BY IB | — |
| May 7, 2026 | FICS | FINAL DISPOSITION NOTICE SENT TO IB | — |
| May 7, 2026 | FIMP | FINAL DISPOSITION PROCESSED | — |
| Jan 28, 2026 | FICR | FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB | — |
| Oct 28, 2025 | NRCC | NOTICE OF REGISTRATION CONFIRMATION EMAILED | — |
| Oct 28, 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 12, 2025 | OPNX | NOTIFICATION OF POSSIBLE OPPOSITION - PROCESSED BY IB | — |
| Sep 9, 2025 | NPUB | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED | — |
| Sep 9, 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. |
| Sep 3, 2025 | NONP | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED | — |
| Aug 27, 2025 | OPNS | NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB | — |
| Aug 27, 2025 | OPNR | NOTIFICATION OF POSSIBLE OPPOSITION CREATED, TO BE SENT TO IB | — |
| Aug 8, 2025 | CNSA | APPROVED FOR PUB - PRINCIPAL REGISTER | — |
| Apr 29, 2025 | TEME | TEAS/EMAIL CORRESPONDENCE ENTERED | — |
| Apr 28, 2025 | CRFA | CORRESPONDENCE RECEIVED IN LAW OFFICE | — |
| Apr 28, 2025 | TROA | TEAS RESPONSE TO OFFICE ACTION RECEIVED | 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 24, 2025 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Apr 24, 2025 | ECDR | TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS | — |
| Apr 24, 2025 | EWOR | TEAS WITHDRAWAL AS DOMESTIC REPRESENTATIVE RECEIVED | — |
| Apr 24, 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. |
| Apr 24, 2025 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Apr 18, 2025 | DMCC | DATA MODIFICATION COMPLETED | — |
| Apr 3, 2025 | GAUN | NOTIFICATION OF NOTICE OF UNRESPONSIVE AMENDMENT - E-MAILED | — |
| Apr 3, 2025 | GAUD | NOTICE OF UNRESPONSIVE AMENDMENT - E-MAILED | — |
| Apr 3, 2025 | NAUD | REPORT UNRESPONSIVE AMENDMENT - COMPLETED | — |
| Feb 14, 2025 | TEME | TEAS/EMAIL CORRESPONDENCE ENTERED | — |
| Feb 14, 2025 | CRFA | CORRESPONDENCE RECEIVED IN LAW OFFICE | — |
| Feb 14, 2025 | TROA | TEAS RESPONSE TO OFFICE ACTION RECEIVED | 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 13, 2025 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Feb 13, 2025 | ECDR | TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS | — |
| Feb 13, 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. |
| Feb 13, 2025 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Sep 1, 2024 | RFNT | REFUSAL PROCESSED BY IB | — |
| Aug 15, 2024 | RFCS | NON-FINAL ACTION MAILED - REFUSAL SENT TO IB | — |
| Aug 15, 2024 | RFRR | REFUSAL PROCESSED BY MPU | — |
| Aug 7, 2024 | RFCR | NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW | — |
| Aug 6, 2024 | CNRT | NON-FINAL ACTION WRITTEN | A non-final Office Action means the USPTO examining attorney has raised at least one issue with your trademark application but has not made a final decision. You usually have three months to respond with arguments, amendments, or evidence. Missing the deadline can abandon the application. |
| Aug 2, 2024 | DOCK | ASSIGNED TO EXAMINER | — |
| May 2, 2024 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| May 2, 2024 | 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. |
| May 2, 2024 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| May 2, 2024 | CHAN | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | — |
| May 2, 2024 | COAR | TEAS CHANGE OF OWNER ADDRESS RECEIVED | — |
| Apr 5, 2024 | MAFR | APPLICATION FILING RECEIPT MAILED | — |
| Apr 1, 2024 | NWOS | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED | — |
| Mar 28, 2024 | REPR | SN ASSIGNED FOR SECT 66A APPL FROM IB | — |