USPTO serial 98677553
CLOCKCHAIN
Reviewed by CopyMark Law Group
- Filing date
- Status date
- Registration date
- Jul 7, 2026
- Examiner
- FEDERICO, EVAN G
- 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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Current trademark owner
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Not the owner?
File a new U.S. trademark application, or speak with our attorneys.
Owner
San Francisco, CA, US
San Francisco, CA, US
San Francisco, CA, US
Attorney of record
The USPTO lists this attorney as the applicant's representative for correspondence on this application.
William E OBrien
William E OBrien OBrien Global Law2 Connector Rd., Suite 200Westborough, MA 01581United StatesGoods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 042 | Electronic document time-stamping services using blockchain technology | ACTIVE | Jan 1, 2026 |
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.
Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Jul 7, 2026 | NRCC | NOTICE OF REGISTRATION CONFIRMATION EMAILED | — |
| Jul 7, 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. |
| Jun 16, 2026 | SUNA | NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED | — |
| Jun 16, 2026 | CNPR | ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED | — |
| Jun 16, 2026 | SUPC | STATEMENT OF USE PROCESSING COMPLETE | — |
| Mar 13, 2026 | IUAF | USE AMENDMENT FILED | — |
| Mar 13, 2026 | 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. |
| Oct 21, 2025 | 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. |
| Aug 26, 2025 | NPUB | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED | — |
| Aug 26, 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 20, 2025 | NONP | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED | — |
| Jul 24, 2025 | CNSA | APPROVED FOR PUB - PRINCIPAL REGISTER | — |
| Jul 23, 2025 | TEME | TEAS/EMAIL CORRESPONDENCE ENTERED | — |
| Jul 23, 2025 | CRFA | CORRESPONDENCE RECEIVED IN LAW OFFICE | — |
| Jul 23, 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. |
| Jul 23, 2025 | NREV | NOTICE OF REVIVAL - E-MAILED | — |
| Jul 23, 2025 | PETG | PETITION TO REVIVE-GRANTED | — |
| Jul 23, 2025 | PROA | TEAS PETITION TO REVIVE RECEIVED | — |
| Jun 4, 2025 | MAB2 | ABANDONMENT NOTICE E-MAILED - FAILURE TO RESPOND | The trademark application was abandoned because a required response or document was not filed by the deadline — usually a missed Office Action response. The application is dead unless a petition to revive is granted within a limited time. |
| Jun 4, 2025 | ABN2 | ABANDONMENT - FAILURE TO RESPOND OR LATE RESPONSE | The trademark application was abandoned because a required response or document was not filed by the deadline — usually a missed Office Action response. The application is dead unless a petition to revive is granted within a limited time. |
| Feb 18, 2025 | GNRN | NOTIFICATION OF NON-FINAL ACTION E-MAILED | 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. |
| Feb 18, 2025 | GNRT | NON-FINAL ACTION E-MAILED | 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. |
| Feb 18, 2025 | 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. |
| Feb 18, 2025 | DOCK | ASSIGNED TO EXAMINER | — |
| Feb 17, 2025 | NWOS | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED | — |
| Aug 1, 2024 | NWAP | NEW APPLICATION ENTERED | — |