TrademarkDir
CHECKSUM
LIVE

Serial Number

98603889

Owner

Checksum AI, Inc.

Attorney

Caitlin R. Byczko

Filing Date

Jun 17, 2024

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CHECKSUM Trademark

Serial Number: 98603889 • Registration: 8027222

CHECKSUM is a trademark filed by Checksum AI, Inc. on June 17, 2024. The trademark is classified under Class 9 (Computers & Electronics), Class 42 (Computer & Scientific). The application is currently registered and active.

Owner Contact Info

Checksum AI, Inc.

140 New Montgomery Street, 4th Floor
San Francisco, CA 94105

Entity Type: 03

Trademark Details

Filing Date

June 17, 2024

Registration Date

November 18, 2025

Published for Opposition

September 30, 2025

Goods & Services

downloadable computer software for code testing; downloadable computer software for code testing, namely for code correction, code auto-healing, code quality and robustness and technical debt reduction

software as a service (SAAS) featuring software for code testing; software as a service (SAAS) featuring software for code testing, namely for code correction, code autohealing, code quality and robustness and technical debt reduction

Filing History

NOTICE OF REGISTRATION CONFIRMATION EMAILED
Nov 18, 2025 NRCC
REGISTERED-PRINCIPAL REGISTER
Nov 18, 2025 R.PR
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
Sep 30, 2025 NPUB
PUBLISHED FOR OPPOSITION
Sep 30, 2025 PUBO
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
Sep 24, 2025 NONP
EXPARTE APPEAL TERMINATED
Aug 29, 2025 EXPT
APPROVED FOR PUB - PRINCIPAL REGISTER
Aug 29, 2025 CNSA
EX PARTE APPEAL-INSTITUTED
Jul 3, 2025 EXPI
JURISDICTION RESTORED TO EXAMINING ATTORNEY
Jul 3, 2025 JURT
EXPARTE APPEAL RECEIVED AT TTAB
Jul 3, 2025 EXAF
TEAS/EMAIL CORRESPONDENCE ENTERED
Jul 3, 2025 TEME
CORRESPONDENCE RECEIVED IN LAW OFFICE
Jul 3, 2025 CRFA
TEAS REQUEST FOR RECONSIDERATION RECEIVED
Jul 3, 2025 ERFR
NOTIFICATION OF FINAL REFUSAL EMAILED
Apr 12, 2025 GNFN
FINAL REFUSAL E-MAILED
Apr 12, 2025 GNFR
FINAL REFUSAL WRITTEN
Apr 12, 2025 CNFR
TEAS/EMAIL CORRESPONDENCE ENTERED
Mar 1, 2025 TEME
CORRESPONDENCE RECEIVED IN LAW OFFICE
Feb 27, 2025 CRFA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
Feb 27, 2025 TROA
NOTIFICATION OF NON-FINAL ACTION E-MAILED
Feb 3, 2025 GNRN
NON-FINAL ACTION E-MAILED
Feb 3, 2025 GNRT
NON-FINAL ACTION WRITTEN
Feb 3, 2025 CNRT
ASSIGNED TO EXAMINER
Jan 7, 2025 DOCK
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
Jan 6, 2025 NWOS
NEW APPLICATION ENTERED
Jun 17, 2024 NWAP

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