USPTO serial 97914864
HELO
Reviewed by CopyMark Law Group
- Filing date
- Status date
- Registration date
- Jan 27, 2026
- Examiner
- LEE, JEANIE H
- 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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Owner
Endovascular Engineering, Inc.
Menlo Park, CA
Endovascular Engineering, Inc.
Menlo Park, CA
Endovascular Engineering, Inc.
Menlo Park, CA
Attorney of record
The USPTO lists this attorney as the applicant's representative for correspondence on this application.
Susan Piascik Christoff
Susan Piascik Christoff COOLEY LLP1299 PENNSYLVANIA AVENUE, NW, SUITE 700WASHINGTON, DC 20004United StatesGoods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 010 | Surgical devices and instruments, namely, thrombectomy devices; medical devices for interventional and treatment procedures for thrombectomy, namely, aspiration and mechanical thrombectomy catheter systems comprising medical and surgical catheter, agitator, rotating hemostasis valve (RHV), dilator, blood flow indicator, and blood return device; medical devices for interventional and treatment procedures for thrombectomy, namely, medical devices for use in treating or diagnosing vascular disease, blood clots, embolisms and deep vein thrombosis; medical devices for treatment of vascular disease, blood clots, embolisms and deep vein thrombosis | 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 Endovascular Engineering, Inc.
- Other trademarks owned by Endovascular Engineering, Inc.
- Other trademarks owned by Endovascular Engineering, Inc.
- Other trademarks in Class 010
- Similar marks named HELO
- Recently changed USPTO trademarks
- Recently filed trademarks
- Browse all trademark records
Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Jan 27, 2026 | NRCC | NOTICE OF REGISTRATION CONFIRMATION EMAILED | — |
| Jan 27, 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. |
| Jan 7, 2026 | SUNA | NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED | — |
| Jan 7, 2026 | CNPR | ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED | — |
| Dec 19, 2025 | EXRA | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED | — |
| Dec 18, 2025 | SUPC | STATEMENT OF USE PROCESSING COMPLETE | — |
| Dec 18, 2025 | EX1G | SOU EXTENSION 1 GRANTED | — |
| Dec 15, 2025 | AITU | CASE ASSIGNED TO INTENT TO USE PARALEGAL | — |
| Jul 13, 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 12, 2025 | EXT1 | SOU EXTENSION 1 FILED | — |
| Jul 11, 2025 | IUAF | USE AMENDMENT FILED | — |
| Jul 11, 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. |
| Jan 14, 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. |
| Dec 3, 2024 | NPUB | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED | — |
| Dec 3, 2024 | 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 27, 2024 | NONP | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED | — |
| Nov 6, 2024 | CNSA | APPROVED FOR PUB - PRINCIPAL REGISTER | — |
| Nov 6, 2024 | XAEC | EXAMINER'S AMENDMENT ENTERED | — |
| Nov 6, 2024 | GNEN | NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED | — |
| Nov 6, 2024 | GNEA | EXAMINERS AMENDMENT E-MAILED | — |
| Nov 6, 2024 | CNEA | EXAMINERS AMENDMENT -WRITTEN | — |
| Sep 13, 2024 | TEME | TEAS/EMAIL CORRESPONDENCE ENTERED | — |
| Sep 13, 2024 | CRFA | CORRESPONDENCE RECEIVED IN LAW OFFICE | — |
| Sep 13, 2024 | ERFR | TEAS REQUEST FOR RECONSIDERATION RECEIVED | — |
| Jun 13, 2024 | GNFN | NOTIFICATION OF FINAL REFUSAL EMAILED | — |
| Jun 13, 2024 | GNFR | FINAL REFUSAL E-MAILED | A final Office Action (final refusal) means the examining attorney is maintaining at least one refusal and your options are narrower. You can file a response addressing the refusal, appeal to the Trademark Trial and Appeal Board, or let the application abandon. |
| Jun 13, 2024 | CNFR | FINAL REFUSAL WRITTEN | A final Office Action (final refusal) means the examining attorney is maintaining at least one refusal and your options are narrower. You can file a response addressing the refusal, appeal to the Trademark Trial and Appeal Board, or let the application abandon. |
| May 6, 2024 | TEME | TEAS/EMAIL CORRESPONDENCE ENTERED | — |
| May 6, 2024 | CRFA | CORRESPONDENCE RECEIVED IN LAW OFFICE | — |
| May 6, 2024 | 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 5, 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. |
| Feb 5, 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. |
| Feb 5, 2024 | 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. |
| Jan 26, 2024 | DOCK | ASSIGNED TO EXAMINER | — |
| May 30, 2023 | NWOS | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED | — |
| May 4, 2023 | NWAP | NEW APPLICATION ENTERED | — |