| Serial Number | 97852070 |
| Word Mark | DIAMOND HEADACHE |
| Filing Date | Wednesday, March 22, 2023 |
| Status | 700 - REGISTERED |
| Status Date | Tuesday, April 30, 2024 |
| Registration Number | 7371836 |
| Registration Date | Tuesday, April 30, 2024 |
| Mark Drawing | 4 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form |
| Published for Opposition Date | Tuesday, February 13, 2024 |
| NOT AVAILABLE | "HEADACHE" |
| Goods and Services | Medical Services; Medical services, namely, treatment and consultation in the fields of headache, head pain, migraine, chronic migraine, neck pain, and neurology |
| International Class | 044 - Medical services; veterinary services; hygienic and beauty care for human beings or animals; agriculture, horticulture and forestry services. |
| US Class Codes | 100, 101 |
| Class Status Code | 6 - Active |
| Class Status Date | Thursday, April 13, 2023 |
| Primary Code | 044 |
| First Use Anywhere Date | Friday, March 17, 2023 |
| First Use In Commerce Date | Friday, March 17, 2023 |
| Party Name | ENDEAVOR HEALTH |
| Party Type | 31 - New Owner After Registration |
| Legal Entity Type | 54 - NOT AVAILABLE |
| Address | EVANSTON, IL 60201 US |
| Party Name | Diamond Headache Clinic, LTD |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 99 - Other |
| Address | Chicago, IL 60642 US |
| Party Name | Diamond Headache Clinic, LTD |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 99 - Other |
| Address | Chicago, IL 60642 US |
| Party Name | Diamond Headache Clinic, LTD |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 99 - Other |
| Address | Chicago, IL 60642 US |
| Event Date | Event Description |
| Saturday, March 25, 2023 | NEW APPLICATION ENTERED |
| Thursday, April 13, 2023 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Saturday, December 16, 2023 | ASSIGNED TO EXAMINER |
| Saturday, December 16, 2023 | NON-FINAL ACTION WRITTEN |
| Saturday, December 16, 2023 | NON-FINAL ACTION E-MAILED |
| Saturday, December 16, 2023 | NOTIFICATION OF NON-FINAL ACTION E-MAILED |
| Wednesday, January 3, 2024 | TEAS RESPONSE TO OFFICE ACTION RECEIVED |
| Wednesday, January 3, 2024 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Wednesday, January 3, 2024 | TEAS/EMAIL CORRESPONDENCE ENTERED |
| Monday, January 8, 2024 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Wednesday, January 24, 2024 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Tuesday, February 13, 2024 | PUBLISHED FOR OPPOSITION |
| Tuesday, February 13, 2024 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |
| Tuesday, April 30, 2024 | REGISTERED-PRINCIPAL REGISTER |
| Tuesday, April 30, 2024 | NOTICE OF REGISTRATION CONFIRMATION EMAILED |
| Wednesday, January 28, 2026 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP |
| Friday, February 20, 2026 | TEAS CHANGE OF OWNER ADDRESS RECEIVED |
| Friday, February 20, 2026 | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED |
| Friday, February 20, 2026 | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED |
| Friday, February 20, 2026 | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED |
| Friday, February 20, 2026 | TEAS CHANGE OF CORRESPONDENCE RECEIVED |