Does LangChain own your prompts?
No—LangChain's cited terms say you retain ownership of your prompts.
Their words · Terms of Service
“ 4.1 Ownership; Reservation of Rights. As between LangChain and Customer, all rights, title, and interest in and to all intellectual property rights in the LangSmith Platform and LangChain’s Confidential Information are and will remain owned exclusively by LangChain and its licensors. Ownership in all Updates, derivatives, modifications, new functionalities, enhancements, and customization related to the LangSmith Platform created by or on behalf of LangChain will immediately vest in LangChain upon creation. Nothing in this Agreement will preclude or restrict LangChain from using or exploiting any concepts, ideas, techniques, or know-how of or related to the LangSmith Platform. Other than as expressly outlined in this Agreement, no license or other rights in or to the LangSmith Platform or other LangChain intellectual property rights are granted to Customer, and all such rights are expressly reserved to LangChain and its licensors. 4.2 Customer Data. As between Customer and LangChain, Customer Data and Customer Confidential Information are and will remain owned exclusively by Customer, the User, or their licensors, as applicable. Customer warrants that it has all rights necessary to provide any information, data, or other materials that it provides hereunder. Customer hereby grants LangChain a limited-term license to utilize Customer Data as necessary for LangChain to provide the LangSmith Platform in accordance with this Agreement and each Order Form executed hereunder. ”
Captured 2026-06-08. Open captured source →Snapshot SHA-256: 0e801934430f16ce16deae3f117978d8110b969257cf607894e37f4172fa7435
Permalink to this finding →Informational only, not legal advice. Terms can change; check the cited policy and capture date before relying on this answer.
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