What is the best mode requirement under 35 U.S.C. 112(a)?

The best mode requirement under 35 U.S.C. 112(a) mandates that the inventor must disclose the best mode contemplated for carrying out the invention at the time of filing the patent application. MPEP 2166 provides a form paragraph for best mode rejections: “Claim [1] rejected under 35 U.S.C. 112(a) or pre-AIA 35 U.S.C. 112, first paragraph,…

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