TrademarkDir
LANGCHECK
LIVE

Serial Number

99192208

Owner

Citadel AI Inc.

Attorney

Timothy J. Maier

Filing Date

May 19, 2025

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LANGCHECK Trademark

Serial Number: 99192208 • Registration: 8267230

LANGCHECK is a trademark filed by Citadel AI Inc. on May 19, 2025. The trademark is classified under Class 9 (Computers & Electronics), Class 42 (Computer & Scientific). The application is currently registered and active.

Owner Contact Info

Citadel AI Inc. (4 trademarks)

Parkhouse Yoyogi-Sangubashi 103,

Entity Type: 03

Trademark Details

Filing Date

May 19, 2025

Registration Date

May 19, 2026

Goods & Services

Electronic components for computers; Recorded computer operating programs; Downloadable computer operating programs

Computer programming and maintenance of computer programs; Consultancy in the field of artificial intelligence (AI) technology; Technology consultation in the field of artificial intelligence (AI); Rental of computers; Providing temporary use of on-line non-downloadable computer programs on data networks for testing and monitoring artificial intelligence-based systems; Software as a service (SAAS) services featuring software for testing and monitoring artificial intelligence-based systems; Providing on-line non-downloadable computer software for scientific and technical analysis of data using artificial intelligence

Filing History

TEAS CHANGE OF CORRESPONDENCE RECEIVED
May 19, 2026 TCCA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
May 19, 2026 ARAA
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
May 19, 2026 REAP
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
May 19, 2026 CHAN
TEAS CHANGE OF OWNER ADDRESS RECEIVED
May 19, 2026 COAR
NOTICE OF REGISTRATION CONFIRMATION EMAILED
May 19, 2026 NRCS
NOTICE OF REGISTRATION CONFIRMATION EMAILED
May 19, 2026 NRCS
REGISTERED-SUPPLEMENTAL REGISTER
May 19, 2026 R.SR
ON HOLD - ELECTRONIC RECORD REVIEW REQUIRED
Apr 24, 2026 ERRR
APPROVED FOR REGISTRATION SUPPLEMENTAL REGISTER
Apr 16, 2026 CNTA
TEAS/EMAIL CORRESPONDENCE ENTERED
Apr 10, 2026 TEME
CORRESPONDENCE RECEIVED IN LAW OFFICE
Apr 10, 2026 CRFA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
Apr 10, 2026 TROA
NOTIFICATION OF NON-FINAL ACTION E-MAILED
Mar 9, 2026 GNRN
NON-FINAL ACTION E-MAILED
Mar 9, 2026 GNRT
NON-FINAL ACTION WRITTEN
Mar 9, 2026 CNRT
TEAS/EMAIL CORRESPONDENCE ENTERED
Dec 10, 2025 TEME
CORRESPONDENCE RECEIVED IN LAW OFFICE
Dec 10, 2025 CRFA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
Dec 10, 2025 TROA
NOTIFICATION OF NON-FINAL ACTION E-MAILED
Sep 30, 2025 GNRN
NON-FINAL ACTION E-MAILED
Sep 30, 2025 GNRT
NON-FINAL ACTION WRITTEN
Sep 30, 2025 CNRT
ASSIGNED TO EXAMINER
Sep 30, 2025 DOCK
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
Sep 25, 2025 NWOS
APPLICATION FILING RECEIPT MAILED
May 19, 2025 MAFR
NEW APPLICATION ENTERED
May 19, 2025 NWAP

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