How does a CIP application differ from a regular continuation application?

A continuation-in-part (CIP) application differs from a regular continuation application in that it adds new disclosure not present in the prior application. While both types of applications repeat substantial portions of a prior application, only a CIP introduces new subject matter.

The MPEP states: This application repeats a substantial portion of prior Application No.[1], filed[2], and adds disclosure not presented in the prior application. (MPEP ¶ 2.06) This additional disclosure is what sets a CIP apart from a standard continuation.

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