PRACTICE MARKETPLACE BY KARBON Trademark
Trademark Overview
On Thursday, October 9, 2025, a trademark application was filed for PRACTICE MARKETPLACE BY KARBON with the United States Patent and Trademark Office. The USPTO has given the PRACTICE MARKETPLACE BY KARBON trademark a serial number of 99435819. The federal status of this trademark filing is PUBLISHED FOR OPPOSITION as of Tuesday, March 24, 2026. This trademark is owned by Karbon, Inc.. The PRACTICE MARKETPLACE BY KARBON trademark is filed in the Advertising, Business and Retail Services category with the following description:
Operating on-line marketplaces featuring professional services firms for purchase and sale; Operating on-line marketplaces featuring accounting firms for purchase and sale; Provision of an on-line marketplace for buyers and sellers of professional services firms; Provision of an on-line marketplace for buyers and sellers of accounting firms
General Information
| Serial Number | 99435819 |
| Word Mark | PRACTICE MARKETPLACE BY KARBON |
| Filing Date | Thursday, October 9, 2025 |
| Status | 686 - PUBLISHED FOR OPPOSITION |
| Status Date | Tuesday, March 24, 2026 |
| 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, March 24, 2026 |
Trademark Statements
| Pseudo Mark | PRACTICE MARKETPLACE BY CARBON |
| Goods and Services | Operating on-line marketplaces featuring professional services firms for purchase and sale; Operating on-line marketplaces featuring accounting firms for purchase and sale; Provision of an on-line marketplace for buyers and sellers of professional services firms; Provision of an on-line marketplace for buyers and sellers of accounting firms |
| NOT AVAILABLE | "PRACTICE MARKETPLACE" |
Classification Information
| International Class | 035 - Advertising; business management; business administration; office functions. |
| US Class Codes | 100, 101, 102 |
| Class Status Code | 6 - Active |
| Class Status Date | Thursday, October 9, 2025 |
| Primary Code | 035 |
| First Use Anywhere Date | Monday, September 30, 2024 |
| First Use In Commerce Date | Monday, September 30, 2024 |
Trademark Owner History
| Party Name | Karbon, Inc. |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 03 - Corporation |
| Address | San Francisco, CA 94104-5401
US |
| Party Name | Karbon, Inc. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | San Francisco, CA 94104-5401
US |
Trademark Events
| Event Date | Event Description |
| Thursday, October 9, 2025 | NEW APPLICATION ENTERED |
| Thursday, October 9, 2025 | APPLICATION FILING RECEIPT MAILED |
| Thursday, February 26, 2026 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Friday, February 27, 2026 | ASSIGNED TO EXAMINER |
| Monday, March 2, 2026 | EXAMINERS AMENDMENT -WRITTEN |
| Monday, March 2, 2026 | EXAMINERS AMENDMENT E-MAILED |
| Monday, March 2, 2026 | NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED |
| Monday, March 2, 2026 | EXAMINER'S AMENDMENT ENTERED |
| Monday, March 2, 2026 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Wednesday, March 18, 2026 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Tuesday, March 24, 2026 | PUBLISHED FOR OPPOSITION |
| Tuesday, March 24, 2026 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |
