USPTO serial 99419251
CLAUDE KEEP THINKING
Reviewed by CopyMark Law Group
- Filing date
- Status date
- Registration date
- Aug 11, 2026
- Examiner
- WU, KRISTEN ZAHNOW
What this means
This trademark is registered with the USPTO. Monitoring new filings can help you catch lookalike marks early.
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Owner
Anthropic, PBC
San Francisco, CA, US
Anthropic, PBC
San Francisco, CA, US
Anthropic, PBC
San Francisco, CA, US
Goods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 042 | (Based on Use in Commerce) Information services in the field of software as a service (SAAS) (Based on 44(d) Priority Application)(Based on Use in Commerce) Providing online non-downloadable software using artificial intelligence (AI) for machine learning; Providing a website featuring on-line non-downloadable software that enables users to include, access, use, and interact with an artificial intelligence model to perform generative text AI tasks and natural language processing AI tasks, and to produce written content based on a theme, text summaries, document question-answering and natural conversation simulation; Providing temporary use of on-line non-downloadable software and applications for including, accessing, using, and interacting with an artificial intelligence model to perform generative text AI tasks and natural language processing AI tasks, and for producing written content based on a theme, text summaries, document question-answering and natural conversation simulation; Providing online non-downloadable software using machine learning for including, accessing, using, and interacting with an artificial intelligence model to perform generative text AI tasks and natural language processing AI tasks, and for producing written content based on a theme, text summaries, document question-answering and natural conversation simulation; Providing temporary use of online non-downloadable software using large language models (LLMs) for computer software code generation; Providing on-line non-downloadable software for including, accessing, using, and interacting with an artificial intelligence model to perform generative text AI tasks and natural language processing AI tasks, and for producing written content based on a theme, text summaries, document question-answering and natural conversation simulation; Application service provider featuring application programming interface (API) software for performing generative text AI tasks and natural language processing AI tasks and for writing content based on a theme, summarizing text, document question-answering and simulating natural conversation; Software as a service (SAAS) services featuring software using artificial intelligence (AI) for performing generative text AI tasks and natural language processing AI tasks and for writing content based on a theme, summarizing text, document question-answering and simulating natural conversation; Providing temporary use of online non-downloadable chatbot software using artificial intelligence (AI) for performing generative text AI tasks and natural language processing AI tasks, and for producing written content based on a theme, text summaries, document question-answering and natural conversation simulation; Providing temporary use of online non-downloadable chatbot software using large language models (LLMs) for performing generative text AI tasks and natural language processing AI tasks, and for producing written content based on a theme, text summaries, document question-answering and natural conversation simulation; Providing on-line non-downloadable software using artificial intelligence (AI) for performing generative text AI tasks and natural language processing AI tasks, and for producing written content based on a theme, text summaries, document question-answering and natural conversation simulation; Providing temporary use of on-line non-downloadable software and applications using artificial intelligence (AI) for performing generative text AI tasks and natural language processing AI tasks, and for producing written content based on a theme, text summaries, document question-answering and natural conversation simulation; Providing a website featuring non-downloadable software using artificial intelligence (AI) for performing generative text AI tasks and natural language processing AI tasks, and for producing written content based on a theme, text summaries, document question-answering and natural conversation simulation | ACTIVE | Sep 18, 2025 |
Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Aug 11, 2026 | NRCC | NOTICE OF REGISTRATION CONFIRMATION EMAILED | — |
| Aug 11, 2026 | R.PR | REGISTERED-PRINCIPAL REGISTER | Your trademark is registered on the Principal Register — the strongest form of federal trademark protection. You may use the ® symbol for the covered goods and services. Maintenance filings (Section 8 and renewals) are required to keep the registration alive. |
| Jun 23, 2026 | NPUB | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED | — |
| Jun 23, 2026 | PUBO | PUBLISHED FOR OPPOSITION | Your mark was published in the USPTO Official Gazette for a 30-day opposition window. During that period, third parties who believe they would be harmed can file an opposition. If no opposition is filed, prosecution usually continues toward registration or a Notice of Allowance. |
| Jun 17, 2026 | NONP | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED | — |
| May 27, 2026 | CNSA | APPROVED FOR PUB - PRINCIPAL REGISTER | — |
| May 22, 2026 | TEME | TEAS/EMAIL CORRESPONDENCE ENTERED | — |
| May 21, 2026 | CRFA | CORRESPONDENCE RECEIVED IN LAW OFFICE | — |
| May 21, 2026 | TROA | TEAS RESPONSE TO OFFICE ACTION RECEIVED | This event means the applicant filed a response to a USPTO Office Action — typically arguments, amendments, or evidence addressing the examiner's objections. The USPTO will review the response and either allow the mark to proceed or issue another action. |
| Feb 23, 2026 | GNRN | NOTIFICATION OF NON-FINAL ACTION E-MAILED | A non-final Office Action means the USPTO examining attorney has raised at least one issue with your trademark application but has not made a final decision. You usually have three months to respond with arguments, amendments, or evidence. Missing the deadline can abandon the application. |
| Feb 23, 2026 | GNRT | NON-FINAL ACTION E-MAILED | A non-final Office Action means the USPTO examining attorney has raised at least one issue with your trademark application but has not made a final decision. You usually have three months to respond with arguments, amendments, or evidence. Missing the deadline can abandon the application. |
| Feb 23, 2026 | CNRT | NON-FINAL ACTION WRITTEN | A non-final Office Action means the USPTO examining attorney has raised at least one issue with your trademark application but has not made a final decision. You usually have three months to respond with arguments, amendments, or evidence. Missing the deadline can abandon the application. |
| Feb 19, 2026 | DOCK | ASSIGNED TO EXAMINER | — |
| Feb 18, 2026 | NWOS | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED | — |
| Sep 29, 2025 | MAFR | APPLICATION FILING RECEIPT MAILED | — |
| Sep 29, 2025 | NWAP | NEW APPLICATION ENTERED | — |