| Serial Number | 99219831 |
| Word Mark | CMATRIX 4 |
| Filing Date | Thursday, June 5, 2025 |
| Status | 774 - OPPOSITION PENDING |
| Status Date | Wednesday, December 31, 2025 |
| Registration Number | 0000000 |
| Registration Date | NOT AVAILABLE |
| Mark Drawing | 4 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form |
| Published for Opposition Date | Tuesday, December 2, 2025 |
| Pseudo Mark | C MATRIX 4 |
| Goods and Services | Human allograft tissue; Human allograft bone and tissue; Surgical implants comprising living tissue; Bone graft material comprising cancellous chips with viable cells, demineralized bone matrix and periosteum for bone fillers consisting of living materials |
| Pseudo Mark | C MATRIX FOUR |
| International Class | 005 - Pharmaceutical and veterinary preparations; sanitary preparations for medical purposes; dietetic substances adapted for medical use, food for babies; plasters, materials for dressings; material for stopping teeth, dental wax; disinfectants; preparations for destroying vermin; fungicides, herbicides. |
| US Class Codes | 005, 006, 018, 044, 046, 051, 052 |
| Class Status Code | 6 - Active |
| Class Status Date | Thursday, June 5, 2025 |
| Primary Code | 005 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| Party Name | K2M, INC. |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 03 - Corporation |
| Address | Leesburg, VA 20175 |
| Party Name | K2M, INC. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Leesburg, VA 20175 |
| Event Date | Event Description |
| Thursday, June 5, 2025 | NEW APPLICATION ENTERED |
| Thursday, June 5, 2025 | APPLICATION FILING RECEIPT MAILED |
| Wednesday, July 23, 2025 | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED |
| Wednesday, July 23, 2025 | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED |
| Wednesday, July 23, 2025 | TEAS CHANGE OF CORRESPONDENCE RECEIVED |
| Wednesday, July 23, 2025 | TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS |
| Thursday, October 9, 2025 | LETTER OF PROTEST EVIDENCE FORWARDED |
| Friday, October 10, 2025 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Monday, October 27, 2025 | ASSIGNED TO EXAMINER |
| Tuesday, November 4, 2025 | LETTER OF PROTEST EVIDENCE REVIEWED-NO FURTHER ACTION TAKEN |
| Tuesday, November 4, 2025 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Wednesday, November 26, 2025 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Tuesday, December 2, 2025 | PUBLISHED FOR OPPOSITION |
| Tuesday, December 2, 2025 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |
| Wednesday, December 31, 2025 | OPPOSITION PAPERS RECEIVED AT TTAB |
| Wednesday, December 31, 2025 | OPPOSITION INSTITUTED NO. 999999 |