USPTO serial 90050523
LEO
Reviewed by CopyMark Law Group
- Filing date
- Status date
- Registration date
- Nov 28, 2023
- Examiner
- AIKENS, RONALD E
- 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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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.
Kristin S. Cornuelle
Kristin S. Cornuelle Orrick, Herrington & Sutcliffe LLP2050 Main Street, Suite 1100Irvine, CA 92614United StatesGoods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 009 | Downloadable computer programs, namely, utility programs, language processors, and interpreters, used to process verifiable computations; downloadable computer programs for assisting developers in creating program code for use in decentralized networks; downloadable computer programs for use in creating, compiling, executing, visualizing, debugging, publishing, and deploying program code on a network-based computer, server, or software registry; downloadable computer programs for describing and processing circuits, polynomials, and other standard models of computational and encrypted processes | ACTIVE | Aug 21, 2020 |
| 042 | Providing temporary use of on-line non-downloadable computer programs, namely, utility programs, language processors, and interpreters, used to process verifiable computations; providing temporary use of on-line non-downloadable computer programs for assisting developers in creating program code for use in decentralized networks; providing temporary use of on-line non-downloadable computer programs for use in creating, compiling, executing, visualizing, debugging, publishing, and deploying program code on a network-based computer, server, or software registry; providing temporary use of on-line non-downloadable computer programs for describing and processing circuits, polynomials, and other standard models of computational and encrypted processes | ACTIVE | Aug 21, 2020 |
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 PROVABLE INC.
- Other trademarks owned by Aleo Systems Inc.
- Other trademarks owned by Aleo Systems Inc.
- Other trademarks owned by Aleo Systems Inc.
- Other trademarks in Class 009
- Other trademarks in Class 042
- Similar marks named LEO
- Recently changed USPTO trademarks
- Recently filed trademarks
- Browse all trademark records
Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Sep 19, 2025 | EWAF | TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS | — |
| Sep 19, 2025 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Sep 19, 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. |
| Sep 19, 2025 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Sep 19, 2025 | CHAN | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | — |
| Sep 19, 2025 | COAR | TEAS CHANGE OF OWNER ADDRESS RECEIVED | — |
| Aug 2, 2024 | ASGN | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP | — |
| Nov 28, 2023 | NRCC | NOTICE OF REGISTRATION CONFIRMATION EMAILED | — |
| Nov 28, 2023 | 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. |
| Oct 25, 2023 | SUNA | NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED | — |
| Oct 24, 2023 | CNPR | ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED | — |
| Oct 20, 2023 | EXRA | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED | — |
| Oct 19, 2023 | SUPC | STATEMENT OF USE PROCESSING COMPLETE | — |
| Oct 19, 2023 | EX5G | SOU EXTENSION 5 GRANTED | — |
| Oct 19, 2023 | AITU | CASE ASSIGNED TO INTENT TO USE PARALEGAL | — |
| Oct 6, 2023 | IUAF | USE AMENDMENT FILED | — |
| Oct 6, 2023 | EXT5 | SOU EXTENSION 5 FILED | — |
| Oct 6, 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. |
| Oct 6, 2023 | 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. |
| Apr 8, 2023 | EXRA | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED | — |
| Apr 6, 2023 | EX4G | SOU EXTENSION 4 GRANTED | — |
| Apr 6, 2023 | EXT4 | SOU EXTENSION 4 FILED | — |
| Apr 6, 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. |
| Oct 8, 2022 | EXRA | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED | — |
| Oct 6, 2022 | EX3G | SOU EXTENSION 3 GRANTED | — |
| Oct 6, 2022 | EXT3 | SOU EXTENSION 3 FILED | — |
| Oct 6, 2022 | 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. |
| Apr 8, 2022 | EXRA | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED | — |
| Apr 6, 2022 | EX2G | SOU EXTENSION 2 GRANTED | — |
| Apr 6, 2022 | EXT2 | SOU EXTENSION 2 FILED | — |
| Apr 6, 2022 | 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. |
| Feb 18, 2022 | CHAN | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | — |
| Feb 18, 2022 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Feb 18, 2022 | COAR | TEAS CHANGE OF OWNER ADDRESS RECEIVED | — |
| Oct 7, 2021 | EXRA | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED | — |
| Oct 5, 2021 | EX1G | SOU EXTENSION 1 GRANTED | — |
| Oct 5, 2021 | EXT1 | SOU EXTENSION 1 FILED | — |
| Oct 5, 2021 | 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. |
| Apr 6, 2021 | 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. |
| Feb 18, 2021 | ETOP | EXTENSION OF TIME TO OPPOSE PROCESS - TERMINATED | — |
| Jan 7, 2021 | ETOF | EXTENSION OF TIME TO OPPOSE RECEIVED | — |
| Dec 8, 2020 | NPUB | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED | — |
| Dec 8, 2020 | 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. |
| Nov 18, 2020 | NONP | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED | — |
| Nov 3, 2020 | CNSA | APPROVED FOR PUB - PRINCIPAL REGISTER | — |
| Nov 3, 2020 | TEME | TEAS/EMAIL CORRESPONDENCE ENTERED | — |
| Nov 3, 2020 | CRFA | CORRESPONDENCE RECEIVED IN LAW OFFICE | — |
| Nov 3, 2020 | 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. |
| Oct 27, 2020 | 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 27, 2020 | 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 27, 2020 | 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. |
| Oct 22, 2020 | DOCK | ASSIGNED TO EXAMINER | — |
| Aug 10, 2020 | NWOS | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED | — |