USPTO serial 98072881
W&B
Reviewed by CopyMark Law Group
- Filing date
- Status date
- Registration date
- Sep 23, 2025
- Examiner
- JOHN, CRISTEL M
- Law office
- PUBLICATION AND ISSUE SECTION
What this means
Status 700 means the trademark is registered and active on the Principal Register. You have nationwide rights for the listed goods and services and may use ®. Section 8 maintenance is due between years five and six. Calendar Section 8 between years five and six, and consider trademark monitoring.
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Current trademark owner
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Owner
San Francisco, CA, US
San Francisco, CA, US
LIVINGSTON, NJ, US
San Francisco, CA, US
LIVINGSTON, NJ, US
Attorney of record
The USPTO lists this attorney as the applicant's representative for correspondence on this application.
Lisa Greenwald-Swire
Lisa Greenwald-Swire Fish & Richardson P.C.PO Box 1022Minneapolis, MN 55440-1022United StatesGoods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 009 | Downloadable computer software for use in designing, building, managing, tracking, evaluating and analyzing artificial intelligence models in the field of machine learning operations | ACTIVE | Feb 20, 2017 |
| 041 | Educational services, namely, conducting classes, seminars, webinars, conferences, and workshops in the field of machine learning operations and distribution of course material in connection therewith; Entertainment services, namely, providing podcasts in the field of machine learning operations; On-line journals, namely, blogs featuring news, information, and commentary in the field of machine learning operations | ACTIVE | — |
| 042 | Software as a service (SAAS) services featuring software for use in designing, building, managing, tracking, evaluating and analyzing artificial intelligence models in the field of machine learning operations | ACTIVE | — |
Related trademarks
CopyMark links this record to cited §2(d) serials, the owner's other marks, Nice classes, similar mark names, and recently changed USPTO applications.
- Other trademarks owned by Weights and Biases, Inc.
- Other trademarks owned by Weights and Biases, Inc.
- Other trademarks owned by COREWEAVE, INC.
- Other trademarks owned by Weights and Biases, Inc.
- Other trademarks owned by WEIGHTS AND BIASES, LLC
- Other trademarks in Class 009
- Other trademarks in Class 041
- Other trademarks in Class 042
- Similar marks named W&B
- Recently changed USPTO trademarks
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Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Jul 15, 2026 | ASGN | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP | — |
| Jun 3, 2026 | ASGN | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP | — |
| Sep 23, 2025 | NRCC | NOTICE OF REGISTRATION CONFIRMATION EMAILED | — |
| Sep 23, 2025 | 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. |
| Sep 4, 2025 | SUNA | NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED | — |
| Sep 4, 2025 | CNPR | ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED | — |
| Aug 12, 2025 | SUPC | STATEMENT OF USE PROCESSING COMPLETE | — |
| Aug 8, 2025 | AITU | CASE ASSIGNED TO INTENT TO USE PARALEGAL | — |
| May 29, 2025 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| May 29, 2025 | ARAA | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED | 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. |
| May 29, 2025 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| May 29, 2025 | CHAN | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | — |
| May 29, 2025 | COAR | TEAS CHANGE OF OWNER ADDRESS RECEIVED | — |
| Nov 4, 2024 | IUAF | USE AMENDMENT FILED | — |
| Nov 4, 2024 | EISU | TEAS STATEMENT OF USE RECEIVED | The applicant filed a Statement of Use with specimens showing the mark in actual commerce. The USPTO will review the filing for compliance. If accepted, the mark can proceed to registration; if deficient, the USPTO may issue a requirement or office action. |
| Oct 29, 2024 | NOAM | NOA E-MAILED - SOU REQUIRED FROM APPLICANT | A Notice of Allowance means your intent-to-use application cleared examination and opposition but is not registered yet. You must file a Statement of Use showing the mark in commerce, or request an extension, before the deadline — usually six months from the notice date. |
| Sep 3, 2024 | NPUB | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED | — |
| Sep 3, 2024 | 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. |
| Aug 14, 2024 | NONP | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED | — |
| Jul 28, 2024 | CNSA | APPROVED FOR PUB - PRINCIPAL REGISTER | — |
| Jul 2, 2024 | TEME | TEAS/EMAIL CORRESPONDENCE ENTERED | — |
| Jul 2, 2024 | CRFA | CORRESPONDENCE RECEIVED IN LAW OFFICE | — |
| Jul 2, 2024 | 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. |
| Apr 2, 2024 | 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. |
| Apr 2, 2024 | 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. |
| Apr 2, 2024 | 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. |
| Mar 18, 2024 | DOCK | ASSIGNED TO EXAMINER | — |
| Aug 6, 2023 | NWOS | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED | — |
| Jul 10, 2023 | NWAP | NEW APPLICATION ENTERED | — |