OP STACK
Live / Applied — Ex parte appeal — refusal reversed (as of 04 Feb 2026)
What this means for you
Not registered yet, but its 26 Jul 2023 filing date beats anything filed after it. If it registers, the owner can stop confusingly similar uses in the classes it covers.
Record
- Serial number
- 98102346
- Mark type
- Stylized text
- Filed
- 26 Jul 2023
- Attorney of record
- TSAN ABRAHAMSON
Goods and services
- Class 042 — Scientific and technological services: Providing online non-downloadable computer software for providing access to programming code for use in building blockchains; Providing online non-downloadable computer software for providing access to programming code for use in building and modifying applications exclusively on the blockchain; Providing online non-downloadable computer software for providing access to programming code for use in developing scalable, modular, interoperable blockchain applications for single and multiple blockchains; none of the foregoing to be used with non-blockchain software consultancy services or software for business operations automation
Owner
- OP Labs PBC, Sausalito, CA, US
Prosecution history
- 04 Feb 2026 — EXPARTE APPEAL TERMINATED
- 20 Dec 2025 — EXPARTE APPEAL DISMISSED - FAILURE TO FILE BRIEF
- 03 Oct 2025 — NOTIFICATION OF ACTION DENYING REQ FOR RECON E-MAILED
- 03 Oct 2025 — ACTION DENYING REQ FOR RECON E-MAILED
- 03 Oct 2025 — ACTION CONTINUING FINAL - COMPLETED
- 07 May 2025 — TEAS/EMAIL CORRESPONDENCE ENTERED
- 07 May 2025 — CORRESPONDENCE RECEIVED IN LAW OFFICE
- 06 May 2025 — ASSIGNED TO LIE
- 25 Apr 2025 — TEAS REQUEST FOR RECONSIDERATION RECEIVED
- 25 Apr 2025 — EX PARTE APPEAL-INSTITUTED
- 25 Apr 2025 — JURISDICTION RESTORED TO EXAMINING ATTORNEY
- 25 Apr 2025 — EXPARTE APPEAL RECEIVED AT TTAB
- 14 Jan 2025 — APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED
- 14 Jan 2025 — APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED
- 25 Oct 2024 — NOTIFICATION OF FINAL REFUSAL EMAILED