USPTO serial 97484377
RISC ZERO
Reviewed by CopyMark Law Group
- Filing date
- Status date
- Registration date
- Jun 24, 2025
- Examiner
- CRAVEN, PAUL S
- 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.
Need help with RISC ZERO?
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
Monitor this mark, or talk with CopyMark about this registration.
Not the owner?
File a new U.S. trademark application, or speak with our attorneys.
Owner
Attorney of record
The USPTO lists this attorney as the applicant's representative for correspondence on this application.
Jessica L. Rothstein
Jessica L. Rothstein Goodwin Procter LLP620 Eighth AvenueNew York, NY 10018United StatesGoods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 009 | Downloadable software to validate a zero-knowledge computation environment; downloadable software for performing validation and authentication of data using zero-knowledge proof protocols for computer execution traces on a decentralized blockchain; downloadable software for the creation, mining, minting, storage, management, and authentication of cryptocurrencies, digital wallets, digital assets, digital tokens, utility tokens, non-fungible tokens (NFTs), digital collectibles, crypto-collectibles and digital currencies using zero-knowledge proof protocols; downloadable software for the creation and distribution of decentralized authentication and validation tools based on zero-knowledge proof protocols; downloadable software for the provision of user and credentials identification and authentication based on zero-knowledge proof protocols | 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 RISC ZERO, INC.
- Other trademarks owned by RISC ZERO, INC.
- Other trademarks owned by Risc0, Inc.
- Other trademarks owned by RISC ZERO, INC.
- Other trademarks in Class 009
- Similar marks named RISC ZERO
- Recently changed USPTO trademarks
- Recently filed trademarks
- Browse all trademark records
Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Jun 24, 2025 | NRCC | NOTICE OF REGISTRATION CONFIRMATION EMAILED | — |
| Jun 24, 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. |
| Jun 4, 2025 | SUNA | NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED | — |
| Jun 4, 2025 | CNPR | ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED | — |
| May 19, 2025 | TEME | TEAS/EMAIL CORRESPONDENCE ENTERED | — |
| May 19, 2025 | CRFA | CORRESPONDENCE RECEIVED IN LAW OFFICE | — |
| May 15, 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 26, 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 26, 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 26, 2025 | CNRT | SU - 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 12, 2025 | TEME | TEAS/EMAIL CORRESPONDENCE ENTERED | — |
| Feb 12, 2025 | CRFA | CORRESPONDENCE RECEIVED IN LAW OFFICE | — |
| Feb 12, 2025 | ALIE | ASSIGNED TO LIE | — |
| Feb 5, 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. |
| Jan 3, 2025 | XELG | APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED | — |
| Jan 3, 2025 | XELR | APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED | — |
| Oct 6, 2024 | 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. |
| Oct 6, 2024 | 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. |
| Oct 6, 2024 | CNRT | SU - 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. |
| Sep 18, 2024 | DOCK | ASSIGNED TO EXAMINER | — |
| Sep 18, 2024 | SUPC | STATEMENT OF USE PROCESSING COMPLETE | — |
| Sep 18, 2024 | AITU | CASE ASSIGNED TO INTENT TO USE PARALEGAL | — |
| Jul 16, 2024 | IUAF | USE AMENDMENT FILED | — |
| Jul 16, 2024 | 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. |
| Jul 16, 2024 | EXRA | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED | — |
| Jul 16, 2024 | EX2G | SOU EXTENSION 2 GRANTED | — |
| Jul 16, 2024 | EXT2 | SOU EXTENSION 2 FILED | — |
| Jul 16, 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. |
| Jan 9, 2024 | EXRA | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED | — |
| Jan 7, 2024 | EX1G | SOU EXTENSION 1 GRANTED | — |
| Jan 7, 2024 | EXT1 | SOU EXTENSION 1 FILED | — |
| Jan 7, 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. |
| Sep 5, 2023 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Sep 5, 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. |
| Sep 5, 2023 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Sep 5, 2023 | CHAN | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | — |
| Sep 5, 2023 | COAR | TEAS CHANGE OF OWNER ADDRESS RECEIVED | — |
| Jul 18, 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. |
| May 23, 2023 | NPUB | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED | — |
| May 23, 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. |
| May 18, 2023 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| May 18, 2023 | EWAF | TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS | — |
| May 18, 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. |
| May 18, 2023 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| May 3, 2023 | NONP | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED | — |
| Apr 18, 2023 | CNSA | APPROVED FOR PUB - PRINCIPAL REGISTER | — |
| Apr 13, 2023 | DOCK | ASSIGNED TO EXAMINER | — |
| Oct 26, 2022 | ASGN | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP | — |
| Jul 20, 2022 | NWOS | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED | — |
| Jul 4, 2022 | NWAP | NEW APPLICATION ENTERED | — |