What is the legal basis for the USPTO’s English translation requirement for assignments?

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Source: FAQ (MPEP-Based) BlueIron Update: 2024-09-09 10 Rules 5 Related FAQs This page is an FAQ based on guidance from the Manual of Patent Examining Procedure. It is provided as guidance, with links to the ground truth sources. This is information only: it is not legal advice. The legal basis for the USPTO’s English translation requirement for assignments is found in the Code of Federal Regulations, specifically 37 CFR 3.26 . This regulation is referenced in MPEP 302.02 , which states: 37 CFR 3.26 English language requirement. The regulation mandates that non-English documents must be accompanied by an English translation signed by the translator. This requirement ensures clarity, consistency, and accessibility of patent-related documents within the U.S. patent system. Related Rules from the Manual of Patent Examining Procedure 10 rules Collapse Requirement for Recording Joint Research Agreements MPEP 302 Cover Sheets Required for Recording Assignments MPEP 302 Cover Sheets for Recording Documents Affecting Title MPEP 302 Government Patent Interests Must Be Recorded Promptly MPEP 302 Recording of Assignment Documents Required MPEP 302 Required Departmental Register for Governmental Interests Required by Executive Order 9424 MPEP 302 Required Governmental Registers Not Open to Public Inspection MPEP 302 Governmental Interests Available for Public Inspection MPEP 302 Governmental Interests Recorded Secretly MPEP 302 Required Governmental Instruments Recorded with Written Authority MPEP 302 Permitted Other Related FAQs 5 FAQs Collapse Who needs to sign the English translation of a non-English assignment document? Are there any exceptions to the USPTO&#8217;s English translation requirement for assignments? What happens if an English translation is not provided with a non-English assignment document? Can the USPTO record a non-English assignment document without a translation? What are the requirements for recording non-English assignment documents at the USPTO?