USPTO serial 90819720
TAU
Reviewed by CopyMark Law Group
- Filing date
- Status date
- Registration date
- Apr 28, 2026
- Examiner
- DAVIS, TRENTON MICHAEL
- 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 TAU?
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.
Owner
Redwood City, CA, US
Redwood City, CA, US
San Carlos, CA, US
Attorney of record
The USPTO lists this attorney as the applicant's representative for correspondence on this application.
Kelly L. Williams
Kelly L. Williams QUARLES & BRADY LLP2020 K Street NW, Suite 400WASHINGTON, DC 20006-1806United StatesGoods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 040 | Prototype fabrication of new products for others, namely, prototype fabrication of electronic vehicle motor platforms, drive unit systems, converters, powertrains, power conversion systems, charging systems, grid and micro-grid systems, solar and photovoltaic devices, and related electronic software and hardware, all for use in land, water, air and space electronic vehicles; providing custom manufacturing services for others in the field of electronic and mechanical devices, and parts therefor, namely, custom manufacture of electronic vehicle motor platforms, drive unit systems, converters, powertrains, power conversion systems, charging systems, grid and micro-grid systems, solar and photovoltaic devices, and related electronic software and hardware, all for use in land, water, air and space electronic vehicles; providing advice on manufacturing processes related to electronic vehicle motor platforms, drive unit systems, converters, powertrains, power conversion systems, charging systems, grid and micro-grid systems, solar and photovoltaic devices, and related electronic hardware, all for use in land, water, air and space electronic vehicles; providing technical information to others related to manufacturing of electronic and mechanical devices, and parts therefor, namely, electronic vehicle motor platforms, drive unit systems, converters, powertrains, power conversion systems, charging systems, grid and micro-grid systems, solar and photovoltaic devices, and related electronic hardware, all for use in land, water, air and space electronic vehicles | ACTIVE | Oct 1, 2025 |
| 042 | Research and development of technology in the field of electronic and mechanical devices, and parts therefor, namely, electronic vehicle motor platforms, drive unit systems, converters, powertrains, power conversion systems, charging systems, grid and micro-grid systems, solar and photovoltaic devices, and related electronic software and hardware, all for use in land, water, air and space electronic vehicles; development of technologies for the fabrication of electronic and mechanical devices, and parts therefor, namely, electronic vehicle motor platforms, drive unit systems, converters, powertrains, power conversion systems, charging systems, grid and micro-grid systems, solar and photovoltaic devices, and related electronic software and hardware, all for use in land, water, air and space electronic vehicles; design of electronic and mechanical devices, and parts therefor, namely, design of electronic vehicle motor platforms, drive unit systems, converters, powertrains, power conversion systems, charging systems, grid and micro-grid systems, solar and photovoltaic devices, and related electronic software and hardware, all for use in land, water, air and space electronic vehicles; providing scientific information relating to performance and operation of electronic and mechanical devices, namely, electronic vehicle motor platforms, drive unit systems, converters, powertrains, power conversion systems, charging systems, grid and micro-grid systems, solar and photovoltaic devices, and related electronic software and hardware, all for use in land, water, air and space electronic vehicles | 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.
Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Apr 28, 2026 | NRCC | NOTICE OF REGISTRATION CONFIRMATION EMAILED | — |
| Apr 28, 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. |
| Apr 3, 2026 | SUNA | NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED | — |
| Apr 3, 2026 | CNPR | ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED | — |
| Jan 23, 2026 | SUPC | STATEMENT OF USE PROCESSING COMPLETE | — |
| Jan 22, 2026 | IUAF | USE AMENDMENT FILED | — |
| Jan 22, 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. |
| Dec 17, 2025 | EXRA | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED | — |
| Dec 16, 2025 | EX5G | SOU EXTENSION 5 GRANTED | — |
| Dec 16, 2025 | AITU | CASE ASSIGNED TO INTENT TO USE PARALEGAL | — |
| Jul 22, 2025 | EXT5 | SOU EXTENSION 5 FILED | — |
| Jul 22, 2025 | 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. |
| Mar 4, 2025 | EXRA | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED | — |
| Jan 17, 2025 | EX4G | SOU EXTENSION 4 GRANTED | — |
| Jan 17, 2025 | EXT4 | SOU EXTENSION 4 FILED | — |
| Jan 17, 2025 | 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. |
| Jul 2, 2024 | EXRA | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED | — |
| Jul 2, 2024 | EX3G | SOU EXTENSION 3 GRANTED | — |
| Jul 2, 2024 | EXT3 | SOU EXTENSION 3 FILED | — |
| Jul 2, 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 25, 2024 | EXRA | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED | — |
| Jan 23, 2024 | EX2G | SOU EXTENSION 2 GRANTED | — |
| Jan 23, 2024 | EXT2 | SOU EXTENSION 2 FILED | — |
| Jan 23, 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. |
| Jul 26, 2023 | EXRA | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED | — |
| Jul 24, 2023 | EX1G | SOU EXTENSION 1 GRANTED | — |
| Jul 24, 2023 | EXT1 | SOU EXTENSION 1 FILED | — |
| Jul 24, 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. |
| Apr 18, 2023 | CHAN | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | — |
| Apr 18, 2023 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Apr 18, 2023 | COAR | TEAS CHANGE OF OWNER ADDRESS RECEIVED | — |
| Jan 24, 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. |
| Nov 29, 2022 | NPUB | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED | — |
| Nov 29, 2022 | 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 9, 2022 | NONP | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED | — |
| Oct 24, 2022 | CNSA | APPROVED FOR PUB - PRINCIPAL REGISTER | — |
| Oct 24, 2022 | XAEC | EXAMINER'S AMENDMENT ENTERED | — |
| Oct 24, 2022 | GNEN | NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED | — |
| Oct 24, 2022 | GNEA | EXAMINERS AMENDMENT E-MAILED | — |
| Oct 24, 2022 | CNEA | EXAMINERS AMENDMENT -WRITTEN | — |
| Oct 11, 2022 | TEME | TEAS/EMAIL CORRESPONDENCE ENTERED | — |
| Oct 10, 2022 | CRFA | CORRESPONDENCE RECEIVED IN LAW OFFICE | — |
| Oct 10, 2022 | 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 8, 2022 | TEME | TEAS/EMAIL CORRESPONDENCE ENTERED | — |
| Oct 7, 2022 | CRFA | CORRESPONDENCE RECEIVED IN LAW OFFICE | — |
| Oct 7, 2022 | 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 8, 2022 | 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. |
| Apr 8, 2022 | 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. |
| Apr 8, 2022 | 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. |
| Mar 29, 2022 | DOCK | ASSIGNED TO EXAMINER | — |
| Sep 16, 2021 | NWOS | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED | — |
| Jul 13, 2021 | NWAP | NEW APPLICATION ENTERED | — |