HELO
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HELO Trademark

Serial Number: 97914864 • Registration: 8119000

HELO is a trademark filed by Endovascular Engineering, Inc. on May 1, 2023. The trademark is classified under Class 10 (Medical Apparatus). The application is currently registered and active.

Owner Contact Info

Endovascular Engineering, Inc. (3 trademarks)

3925 Bohannon Drive, Suite 300
Menlo Park, CA 94025

Entity Type: 03

Trademark Details

Filing Date

May 1, 2023

Registration Date

January 27, 2026

Published for Opposition

December 3, 2024

Goods & Services

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

Filing History

NOTICE OF REGISTRATION CONFIRMATION EMAILED
Jan 27, 2026 NRCC
REGISTERED-PRINCIPAL REGISTER
Jan 27, 2026 R.PR
NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED
Jan 7, 2026 SUNA
ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED
Jan 7, 2026 CNPR
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
Dec 19, 2025 EXRA
STATEMENT OF USE PROCESSING COMPLETE
Dec 18, 2025 SUPC
SOU EXTENSION 1 GRANTED
Dec 18, 2025 EX1G
CASE ASSIGNED TO INTENT TO USE PARALEGAL
Dec 15, 2025 AITU
SOU TEAS EXTENSION RECEIVED
Jul 13, 2025 EEXT
SOU EXTENSION 1 FILED
Jul 12, 2025 EXT1
USE AMENDMENT FILED
Jul 11, 2025 IUAF
TEAS STATEMENT OF USE RECEIVED
Jul 11, 2025 EISU
NOA E-MAILED - SOU REQUIRED FROM APPLICANT
Jan 14, 2025 NOAM
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
Dec 3, 2024 NPUB
PUBLISHED FOR OPPOSITION
Dec 3, 2024 PUBO
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
Nov 27, 2024 NONP
APPROVED FOR PUB - PRINCIPAL REGISTER
Nov 6, 2024 CNSA
EXAMINER'S AMENDMENT ENTERED
Nov 6, 2024 XAEC
NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED
Nov 6, 2024 GNEN
EXAMINERS AMENDMENT E-MAILED
Nov 6, 2024 GNEA
EXAMINERS AMENDMENT -WRITTEN
Nov 6, 2024 CNEA
TEAS/EMAIL CORRESPONDENCE ENTERED
Sep 13, 2024 TEME
CORRESPONDENCE RECEIVED IN LAW OFFICE
Sep 13, 2024 CRFA
TEAS REQUEST FOR RECONSIDERATION RECEIVED
Sep 13, 2024 ERFR
NOTIFICATION OF FINAL REFUSAL EMAILED
Jun 13, 2024 GNFN
FINAL REFUSAL E-MAILED
Jun 13, 2024 GNFR
FINAL REFUSAL WRITTEN
Jun 13, 2024 CNFR
TEAS/EMAIL CORRESPONDENCE ENTERED
May 6, 2024 TEME
CORRESPONDENCE RECEIVED IN LAW OFFICE
May 6, 2024 CRFA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
May 6, 2024 TROA
NOTIFICATION OF NON-FINAL ACTION E-MAILED
Feb 5, 2024 GNRN
NON-FINAL ACTION E-MAILED
Feb 5, 2024 GNRT
NON-FINAL ACTION WRITTEN
Feb 5, 2024 CNRT
ASSIGNED TO EXAMINER
Jan 26, 2024 DOCK
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
May 30, 2023 NWOS
NEW APPLICATION ENTERED
May 4, 2023 NWAP