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 TERMINATED as of Wednesday, February 4, 2026. 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 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
op stack

General Information

Serial Number98102346
Word MarkOP STACK
Filing DateWednesday, July 26, 2023
Status762 - EX PARTE APPEAL TERMINATED
Status DateWednesday, February 4, 2026
Registration Number0000000
Registration DateNOT AVAILABLE
Mark Drawing4 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form
Published for Opposition DateNOT AVAILABLE

Trademark Statements

Goods and ServicesProviding 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
NOT AVAILABLE"STACK"

Classification Information

International Class042 - 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 Codes100, 101
Class Status Code6 - Active
Class Status DateThursday, August 24, 2023
Primary Code042
First Use Anywhere DateNOT AVAILABLE
First Use In Commerce DateNOT AVAILABLE

Trademark Owner History

Party NameOP Labs PBC
Party Type10 - Original Applicant
Legal Entity Type99 - Other
AddressSausalito, CA 94965

Trademark Events

Event DateEvent Description
Saturday, July 29, 2023NEW APPLICATION ENTERED
Thursday, August 24, 2023NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
Thursday, March 28, 2024ASSIGNED TO EXAMINER
Wednesday, April 3, 2024NON-FINAL ACTION WRITTEN
Wednesday, April 3, 2024NON-FINAL ACTION E-MAILED
Wednesday, April 3, 2024NOTIFICATION OF NON-FINAL ACTION E-MAILED
Thursday, June 27, 2024APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED
Thursday, June 27, 2024APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED
Thursday, October 3, 2024TEAS RESPONSE TO OFFICE ACTION RECEIVED
Thursday, October 3, 2024CORRESPONDENCE RECEIVED IN LAW OFFICE
Thursday, October 3, 2024TEAS/EMAIL CORRESPONDENCE ENTERED
Friday, October 25, 2024FINAL REFUSAL WRITTEN
Friday, October 25, 2024FINAL REFUSAL E-MAILED
Friday, October 25, 2024NOTIFICATION OF FINAL REFUSAL EMAILED
Tuesday, January 14, 2025APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED
Tuesday, January 14, 2025APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED
Friday, April 25, 2025EXPARTE APPEAL RECEIVED AT TTAB
Friday, April 25, 2025JURISDICTION RESTORED TO EXAMINING ATTORNEY
Friday, April 25, 2025EX PARTE APPEAL-INSTITUTED
Friday, April 25, 2025TEAS REQUEST FOR RECONSIDERATION RECEIVED
Tuesday, May 6, 2025ASSIGNED TO LIE
Wednesday, May 7, 2025CORRESPONDENCE RECEIVED IN LAW OFFICE
Wednesday, May 7, 2025TEAS/EMAIL CORRESPONDENCE ENTERED
Friday, October 3, 2025ACTION CONTINUING FINAL - COMPLETED
Friday, October 3, 2025ACTION DENYING REQ FOR RECON E-MAILED
Friday, October 3, 2025NOTIFICATION OF ACTION DENYING REQ FOR RECON E-MAILED
Saturday, December 20, 2025EXPARTE APPEAL DISMISSED - FAILURE TO FILE BRIEF
Wednesday, February 4, 2026EXPARTE APPEAL TERMINATED

Related Keywords

stack providing software programming code access blockchain online downloadable computer applications