The agreement grants W&B a license to use, copy, store, transmit, modify, and display customer-submitted data, including model artifacts, experiment logs, and datasets, for the purpose of delivering the platform services. The license is stated as limited to service delivery and W&B states it will not use customer data for other purposes or share it with third parties except as required to provide the services or by law.
This analysis describes what Weights & Biases's agreement states, permits, or reserves. It does not constitute a legal determination about enforceability. Regulatory applicability and practical outcomes may vary by jurisdiction, enforcement context, and individual circumstances. Read our methodology
This provision establishes the contractual basis on which W&B processes customer-submitted AI development data, including potentially proprietary model weights and training datasets. The scope of the license, particularly the inclusion of modification rights, and the carve-out for third-party sharing necessary to provide the services may warrant review by customers concerned with IP protection or data confidentiality.
Interpretive note: The document text was partially truncated; the exact scope of the modification right and the subprocessor sharing language could not be fully verified from the provided excerpt.
The updated Terms of Service no longer include the previous statement that services would become inaccessible from certain locations starting September 1st, 2025. This removal means the geographic restriction that was previously announced in the agreement is no longer formally stated in the current terms. Users who were affected by or concerned about the prior restriction should review current documentation to confirm whether any geographic limitations remain in effect.
View change record →Under this clause, customers grant W&B a license covering use, copying, storage, transmission, modification, and display of customer data for service delivery purposes. The agreement states that W&B will not use customer data beyond service delivery or share it with third parties except as needed to provide the services or as required by law.
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"Customer hereby grants W&B a non-exclusive, worldwide, royalty-free license to use, copy, store, transmit, modify, and display Customer Data solely to the extent necessary to provide the Services to Customer. W&B will not use Customer Data for any purpose other than providing the Services, and will not share Customer Data with third parties except as necessary to provide the Services or as required by law.— Excerpt from Weights & Biases's Weights & Biases Terms of Service
1. REGULATORY LANDSCAPE: The customer data license provision engages GDPR where customer data includes personal data of EU data subjects, requiring that W&B's processing be governed by a data processing agreement meeting GDPR Article 28 requirements. CCPA may apply where customer data includes personal information of California residents. The license's inclusion of modification rights is a notable term that should be evaluated in the context of the customer's IP protection policies. 2. GOVERNANCE EXPOSURE: Medium. The license grant covering modification of customer data is broader than a standard hosting or transmission license and may be relevant for customers submitting proprietary model weights or fine-tuned models to the platform. The carve-out permitting third-party sharing necessary to provide services does not identify which third-party processors or subprocessors are involved, which may be insufficient for GDPR subprocessor transparency requirements. 3. JURISDICTION FLAGS: EU customers should assess whether the MSA alone constitutes a compliant data processing agreement under GDPR Article 28, or whether a separate DPA is required. The absence of an explicit subprocessor list or notification mechanism may create compliance gaps for organizations subject to GDPR. California customers should assess whether the data license constitutes a sale of personal information under CCPA. 4. CONTRACT AND VENDOR IMPLICATIONS: Enterprise procurement teams should request a subprocessor list and confirm whether a separate Data Processing Addendum is available and has been executed. The modification right in the license should be assessed against the organization's IP assignment and data governance policies, particularly for organizations submitting custom model artifacts. 5. COMPLIANCE CONSIDERATIONS: Legal teams should conduct a data mapping exercise to identify what categories of personal data and proprietary IP are submitted to W&B through normal platform use, including experiment configurations, model hyperparameters, and dataset samples. This mapping should inform whether additional contractual protections, consent mechanisms, or regulatory notifications are required.
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This provision establishes the contractual basis on which W&B processes customer-submitted AI development data, including potentially proprietary model weights and training datasets. The scope of the license, particularly the inclusion of modification rights, and the carve-out for third-party sharing necessary to provide the services may warrant review by customers concerned with IP protection or data confidentiality.
Under this clause, customers grant W&B a license covering use, copying, storage, transmission, modification, and display of customer data for service delivery purposes. The agreement states that W&B will not use customer data beyond service delivery or share it with third parties except as needed to provide the services or as required by law.
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