USPTO serial 90268801
SIFIVE
Reviewed by CopyMark Law Group
- Filing date
- Status date
- Registration date
- Aug 5, 2025
- Examiner
- KLEINMAN, CORINNE ANNE
- 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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Owner
San Mateo, CA
Santa Clara, CA
Santa Clara, CA
Attorney of record
The USPTO lists this attorney as the applicant's representative for correspondence on this application.
Christine B. Redfield
Christine B. Redfield Redfield IP PC50 Woodside Plaza No. 107Redwood City, CA 94061United StatesGoods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 009 | Semiconductor chips; integrated circuits; microprocessors; microcontrollers; printed circuit boards; application-specific integrated circuits; system-on-chip devices, namely, microprocessors, microcontrollers, chips in the nature of multiprocessor chips, integrated circuit chips, computer chips, integrated circuits; embedded systems comprised of embedded computer hardware and embedded operating system software; electronic sensors, namely, electronic proximity sensors, electric sensors, temperature sensors, inertial sensors, light sensors, humidity sensors, pressure sensors; Internet of Things (IoT) devices, namely, electronic sensors in the nature of electronic proximity sensors, electric sensors, temperature sensors, inertial sensors, light sensors, humidity sensors, pressure sensors; electronic components and systems, namely, semiconductors, integrated circuits and microcontrollers; semiconductor intellectual property cores; microprocessors cores; downloadable computer software, namely, software for use to configure semiconductor intellectual processor cores used in microprocessors, microcontrollers, chips, integrated circuits; downloadable electronic publications, namely, technical papers, and manuals in the field of computers and electronics | ACTIVE | Nov 29, 2016 |
| 035 | Distributorship services in the field of intellectual property cores | ACTIVE | Nov 29, 2016 |
| 042 | Software-as-a service (SaaS) services featuring software used to configure semiconductor intellectual processor cores used in microprocessors, microcontrollers, chips, integrated circuits; platform as a service (PaaS) services featuring software used to configure semiconductor intellectual processors cores used in microprocessors, microcontrollers, chips, integrated circuits; design services, namely, design of microprocessors, integrated circuits, computer hardware, computer software, and electronics; product design services in the fields of microprocessors, integrated circuits, computer hardware, computer software, and electronics | ACTIVE | Nov 29, 2016 |
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 SiFive, Inc.
- Other trademarks owned by SiFive, Inc.
- Other trademarks owned by SiFive, Inc.
- Other trademarks in Class 009
- Other trademarks in Class 035
- Other trademarks in Class 042
- Similar marks named SIFIVE
- Recently changed USPTO trademarks
- Recently filed trademarks
- Browse all trademark records
Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Aug 5, 2025 | NRCC | NOTICE OF REGISTRATION CONFIRMATION EMAILED | — |
| Aug 5, 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. |
| Jul 16, 2025 | SUNA | NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED | — |
| Jul 11, 2025 | CNPR | ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED | — |
| Jun 13, 2025 | TEME | TEAS/EMAIL CORRESPONDENCE ENTERED | — |
| Jun 13, 2025 | CRFA | CORRESPONDENCE RECEIVED IN LAW OFFICE | — |
| Jun 13, 2025 | ALIE | ASSIGNED TO LIE | — |
| Jun 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. |
| Mar 6, 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. |
| Mar 6, 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. |
| Mar 6, 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 4, 2025 | SUPC | STATEMENT OF USE PROCESSING COMPLETE | — |
| Feb 3, 2025 | IUAF | USE AMENDMENT FILED | — |
| Feb 3, 2025 | 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 9, 2024 | CORV | REVIEW OF CORRESPONDENCE COMPLETE | — |
| Oct 3, 2024 | AITU | CASE ASSIGNED TO INTENT TO USE PARALEGAL | — |
| Aug 12, 2024 | EXRA | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED | — |
| Aug 12, 2024 | EX5G | SOU EXTENSION 5 GRANTED | — |
| Jul 11, 2024 | EXT5 | SOU EXTENSION 5 FILED | — |
| Jul 11, 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. |
| Feb 9, 2024 | EXRA | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED | — |
| Feb 7, 2024 | EX4G | SOU EXTENSION 4 GRANTED | — |
| Feb 7, 2024 | EXT4 | SOU EXTENSION 4 FILED | — |
| Feb 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. |
| Feb 6, 2024 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Feb 6, 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. |
| Feb 6, 2024 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Feb 6, 2024 | CHAN | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | — |
| Feb 6, 2024 | COAR | TEAS CHANGE OF OWNER ADDRESS RECEIVED | — |
| Aug 10, 2023 | EXRA | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED | — |
| Aug 8, 2023 | EX3G | SOU EXTENSION 3 GRANTED | — |
| Aug 8, 2023 | EXT3 | SOU EXTENSION 3 FILED | — |
| Aug 8, 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. |
| Feb 10, 2023 | EXRA | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED | — |
| Feb 8, 2023 | EX2G | SOU EXTENSION 2 GRANTED | — |
| Feb 8, 2023 | EXT2 | SOU EXTENSION 2 FILED | — |
| Feb 8, 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. |
| Aug 10, 2022 | EXRA | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED | — |
| Aug 8, 2022 | EX1G | SOU EXTENSION 1 GRANTED | — |
| Aug 8, 2022 | EXT1 | SOU EXTENSION 1 FILED | — |
| Aug 8, 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 8, 2022 | 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. |
| Dec 14, 2021 | NPUB | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED | — |
| Dec 14, 2021 | 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 24, 2021 | NONP | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED | — |
| Nov 9, 2021 | CNSA | APPROVED FOR PUB - PRINCIPAL REGISTER | — |
| Oct 25, 2021 | XAEC | EXAMINER'S AMENDMENT ENTERED | — |
| Oct 25, 2021 | GNEN | NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED | — |
| Oct 25, 2021 | GNEA | EXAMINERS AMENDMENT E-MAILED | — |
| Oct 25, 2021 | CNEA | EXAMINERS AMENDMENT -WRITTEN | — |
| Sep 23, 2021 | TEME | TEAS/EMAIL CORRESPONDENCE ENTERED | — |
| Sep 23, 2021 | CRFA | CORRESPONDENCE RECEIVED IN LAW OFFICE | — |
| Sep 23, 2021 | 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. |
| Mar 23, 2021 | 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. |
| Mar 23, 2021 | 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. |
| Mar 23, 2021 | 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 22, 2021 | DOCK | ASSIGNED TO EXAMINER | — |
| Dec 9, 2020 | NWOS | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED | — |
| Oct 24, 2020 | NWAP | NEW APPLICATION ENTERED | — |