Continuation-in-part (CIP) applications filed under former 37 CFR 1.62 on or after December 1, 1997, are treated as improper applications, regardless of the original application’s filing date. The MPEP specifically states: A request filed on or after December 1, 1997, under former 37 CFR 1.62 for a continuation-in-part (CIP) application, or for a continuation or…

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