Who owns the C trademark?

The C trademark is owned by CHATEAUFORGE LLC.

What class is the C trademark registered in?

The C trademark is registered in Class 042 (Scientific, technology & SaaS services).

What is the serial number for C?

The USPTO serial number for C is 99353353.

What is the registration number for C?

C is registered under USPTO registration number 8193956.

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Updated Sep 25, 2026·21 searches this week

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USPTO Trademark Record

REGISTERED

C

SN 99353353·Reg 8193956·Filed Aug 22, 2025

Owner CHATEAUFORGE LLC

Scientific and technological services and research and design relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; design and development of computer hardware and software.

C (Serial No. 99353353), Registration No. 8193956, is a registered US trademark filed on Aug 22, 2025 by CHATEAUFORGE LLC. This trademark covers Class 042 (Scientific, technology & SaaS services).

early section 8: March 31, 2032

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Full conflict analysis for C (SN 99353353) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

C (Reg. #8193956) is a registered US trademark that has been protecting its owner, CHATEAUFORGE LLC, since 2025. The mark covers Class 042 (Scientific, technology & SaaS services). Goods and services include Scientific and technological services and research and design relating thereto; industrial analysis, industrial research.... The mark faced 1 opposition proceeding during prosecution.

FILED

Aug 22, 2025

SERIAL

99353353

REG#

8193956

REGISTERED

Mar 31, 2026

Filing Information

StatusREGISTERED

Filing DateAug 22, 2025

Serial Number99353353

Registration No.8193956

Registration DateMar 31, 2026

Status DateMar 31, 2026

Published for OppositionFeb 10, 2026

Filing Basis & Declarations

Filed as Use ApplicationUse Application Currently

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: May 29, 2025

First use in commerce: May 29, 2025

This description is as filed with the USPTO and defines the scope of trademark protection.

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Status History

11 events

REGISTERED-PRINCIPAL REGISTER

Mar 31, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Mar 31, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Feb 10, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Feb 10, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Feb 04, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO EXAMINER

Jan 16, 2026

ASSIGNED TO EXAMINER

APPROVED FOR PUB - PRINCIPAL REGISTER

Jan 16, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jan 15, 2026

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NOTICE OF DESIGN SEARCH CODE E-MAILED

Jan 15, 2026

NOTICE OF DESIGN SEARCH CODE E-MAILED

NEW APPLICATION ENTERED

Aug 22, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Aug 22, 2025

APPLICATION FILING RECEIPT MAILED

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