What is the best mode requirement in patent applications?

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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 best mode requirement in patent applications refers to the obligation of the inventor to disclose the best way they know of carrying out their invention at the time of filing. This is mandated by 35 U.S.C. 112 . As stated in MPEP 608.01(h) : The best mode contemplated by the inventor of carrying out his or her invention must be set forth in the description. This requirement ensures that the public receives the full benefit of the invention in exchange for the patent grant. Related Rules from the Manual of Patent Examining Procedure 10 rules Collapse Best Mode Must Be Disclosed In Description MPEP 608.01(h) Required Best Mode Must Be Disclosed MPEP 608.01(h) Best Mode Must Be Disclosed MPEP 608.01(h) Best Mode Separate from Sufficiency of Disclosure MPEP 608.01(h) Invention's Best Mode Must Be Disclosed MPEP 608.01(h) Best Mode Must Be Disclosed If Quality Poorly Conceals Invention MPEP 608.01(h) Required Best Mode Must Be Disclosed at Filing MPEP 608.01(h) Prohibited No Specific Example Required for Best Mode Disclosure MPEP 608.01(h) Best Mode Must Be Disclosed MPEP 608.01(h) Best Mode Must Be Disclosed MPEP 608.01(h) Other Related FAQs 5 FAQs Collapse How is the adequacy of best mode disclosure determined? Is a specific working example required in a patent application? Can a best mode defect be cured by a later amendment? Who is responsible for pointing out and distinctly claiming the invention in a patent application? Can new terms be introduced in patent claims after the initial filing?