No, the best mode requirement cannot be updated after the initial patent filing. The MPEP 2165.01 clearly states: “There is no requirement to update in the context of a foreign priority application under 35 U.S.C. 119, Standard Oil Co. v. Montedison, S.p.A., 494 F.Supp. 370, 206 USPQ 676 (D.Del. 1980) (better catalyst developed between Italian…

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