OP STACK Trademark
Trademark Overview
On Wednesday, July 26, 2023, a trademark application was filed for OP STACK with the United States Patent and Trademark Office. The USPTO has given the OP STACK trademark a serial number of 98102346. The federal status of this trademark filing is EX PARTE APPEAL PENDING as of Friday, April 25, 2025. This trademark is owned by OP Labs PBC. The OP STACK trademark is filed in the Computer & Software Services & Scientific Services category with the following description:
Providing online non-downloadable computer programming code that is standardized, open-source, and enables rapid building of
developer rollups exclusively for use in building and modifying blockchains; none of the foregoing to be used with non-blockchain
software consultancy services or software for business operations automation.
General Information
| Serial Number | 98102346 |
| Word Mark | OP STACK |
| Filing Date | Wednesday, July 26, 2023 |
| Status | 760 - EX PARTE APPEAL PENDING |
| Status Date | Friday, April 25, 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 | NOT AVAILABLE |
Trademark Statements
| NOT AVAILABLE | "STACK" |
| Goods and Services | Providing online non-downloadable computer programming code that is standardized, open-source, and enables rapid building of
developer rollups exclusively for use in building and modifying blockchains; none of the foregoing to be used with non-blockchain
software consultancy services or software for business operations automation. |
Classification Information
| International Class | 042 - Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software. |
| US Class Codes | 100, 101 |
| Class Status Code | 6 - Active |
| Class Status Date | Thursday, August 24, 2023 |
| Primary Code | 042 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
Trademark Owner History
| Party Name | OP Labs PBC |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 99 - Other |
| Address | Sausalito, CA 94965 |
Trademark Events
| Event Date | Event Description |
| Saturday, July 29, 2023 | NEW APPLICATION ENTERED |
| Thursday, August 24, 2023 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Thursday, March 28, 2024 | ASSIGNED TO EXAMINER |
| Wednesday, April 3, 2024 | NOTIFICATION OF NON-FINAL ACTION E-MAILED |
| Wednesday, April 3, 2024 | NON-FINAL ACTION WRITTEN |
| Wednesday, April 3, 2024 | NON-FINAL ACTION E-MAILED |
| Thursday, June 27, 2024 | APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED |
| Thursday, June 27, 2024 | APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED |
| Thursday, October 3, 2024 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Thursday, October 3, 2024 | TEAS/EMAIL CORRESPONDENCE ENTERED |
| Thursday, October 3, 2024 | TEAS RESPONSE TO OFFICE ACTION RECEIVED |
| Friday, October 25, 2024 | FINAL REFUSAL WRITTEN |
| Friday, October 25, 2024 | NOTIFICATION OF FINAL REFUSAL EMAILED |
| Friday, October 25, 2024 | FINAL REFUSAL E-MAILED |
| Tuesday, January 14, 2025 | APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED |
| Tuesday, January 14, 2025 | APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED |
| Friday, April 25, 2025 | TEAS REQUEST FOR RECONSIDERATION RECEIVED |
| Friday, April 25, 2025 | EXPARTE APPEAL RECEIVED AT TTAB |
| Friday, April 25, 2025 | JURISDICTION RESTORED TO EXAMINING ATTORNEY |
| Friday, April 25, 2025 | EX PARTE APPEAL-INSTITUTED |
| Tuesday, May 6, 2025 | ASSIGNED TO LIE |
| Wednesday, May 7, 2025 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Wednesday, May 7, 2025 | TEAS/EMAIL CORRESPONDENCE ENTERED |
