TrademarkDir
DIAMOND HEADACHE CLINIC
LIVE

Serial Number

87898380

Owner

ENDEAVOR HEALTH

Attorney

Rosanne Yang

First Use Date

Dec 31, 1978

Filing Date

Apr 27, 2018

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DIAMOND HEADACHE CLINIC Trademark

Serial Number: 87898380 • Registration: 5695126

DIAMOND HEADACHE CLINIC is a trademark filed by ENDEAVOR HEALTH on April 27, 2018. The trademark is classified under Class 44 (Medical Services). The application is currently registered and active.

Owner Contact Info

ENDEAVOR HEALTH

1301 CENTRAL STREET
EVANSTON, IL 60201

Entity Type: 54

Diamond Headache Clinic, LTD

Suite 501
Chicago, IL 60642

Entity Type: 99

Trademark Details

Filing Date

April 27, 2018

Registration Date

March 12, 2019

First Use Anywhere

December 31, 1978

First Use in Commerce

December 31, 1978

Published for Opposition

December 25, 2018

Goods & Services

Medical Services; Medical services, namely, treatment and consultation in the fields of headache, head pain, migraine, chronic migraine, neck pain, and neurology

Filing History

TEAS CHANGE OF CORRESPONDENCE RECEIVED
Feb 20, 2026 TCCA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Feb 20, 2026 ARAA
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Feb 20, 2026 REAP
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
Feb 20, 2026 CHAN
TEAS CHANGE OF OWNER ADDRESS RECEIVED
Feb 20, 2026 COAR
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
Jan 28, 2026 ASGN
NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED
Jul 7, 2025 NA85
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
Jul 7, 2025 C15A
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
Jul 7, 2025 APRE
TEAS SECTION 8 & 15 RECEIVED
Mar 7, 2025 E815
COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
Mar 12, 2024 REM1
REGISTERED-PRINCIPAL REGISTER
Mar 12, 2019 R.PR
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
Dec 25, 2018 NPUB
PUBLISHED FOR OPPOSITION
Dec 25, 2018 PUBO
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
Dec 5, 2018 NONP
ASSIGNED TO LIE
Nov 16, 2018 ALIE
APPROVED FOR PUB - PRINCIPAL REGISTER
Nov 5, 2018 CNSA
TEAS/EMAIL CORRESPONDENCE ENTERED
Oct 19, 2018 TEME
CORRESPONDENCE RECEIVED IN LAW OFFICE
Oct 18, 2018 CRFA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
Oct 18, 2018 TROA
NOTIFICATION OF NON-FINAL ACTION E-MAILED
Jun 22, 2018 GNRN
NON-FINAL ACTION E-MAILED
Jun 22, 2018 GNRT
NON-FINAL ACTION WRITTEN
Jun 22, 2018 CNRT
ASSIGNED TO EXAMINER
Jun 12, 2018 DOCK
ASSIGNED TO EXAMINER
May 8, 2018 DOCK
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
May 7, 2018 NWOS
NEW APPLICATION ENTERED
May 1, 2018 NWAP

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