Who owns the CLAUDE KEEP THINKING trademark?

The CLAUDE KEEP THINKING trademark is owned by Anthropic, PBC.

What class is the CLAUDE KEEP THINKING trademark registered in?

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

What is the serial number for CLAUDE KEEP THINKING?

The USPTO serial number for CLAUDE KEEP THINKING is 99419251.

What is the registration number for CLAUDE KEEP THINKING?

CLAUDE KEEP THINKING is registered under USPTO registration number 8388200.

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Updated Sep 27, 2026·11 searches this week

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USPTO Trademark Record

REGISTERED

CLAUDE KEEP THINKING

SN 99419251·Reg 8388200·Filed Sep 29, 2025

Owner Anthropic, PBC

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.

CLAUDE KEEP THINKING (Serial No. 99419251), Registration No. 8388200, is a registered US trademark filed on Sep 29, 2025 by Anthropic, PBC. This trademark covers Class 042 (Scientific, technology & SaaS services).

early section 8: August 11, 2032

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Mark Intelligence

CLAUDE KEEP THINKING (Reg. #8388200) is a registered US trademark that has been protecting its owner, Anthropic, PBC, 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

Sep 29, 2025

SERIAL

99419251

REG#

8388200

REGISTERED

Aug 11, 2026

Filing Information

StatusREGISTERED

Filing DateSep 29, 2025

Serial Number99419251

Registration No.8388200

Registration DateAug 11, 2026

Status DateAug 11, 2026

Published for OppositionJun 23, 2026

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application Currently

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: Sep 18, 2025

First use in commerce: Sep 18, 2025

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

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Status History

16 events

REGISTERED-PRINCIPAL REGISTER

Aug 11, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Aug 11, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Jun 23, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jun 23, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jun 17, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

May 27, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS/EMAIL CORRESPONDENCE ENTERED

May 22, 2026

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

May 21, 2026

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

May 21, 2026

CORRESPONDENCE RECEIVED IN LAW OFFICE

NON-FINAL ACTION WRITTEN

Feb 23, 2026

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Feb 23, 2026

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Feb 23, 2026

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Feb 19, 2026

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Feb 18, 2026

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Sep 29, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Sep 29, 2025

APPLICATION FILING RECEIPT MAILED

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