Can new matter be added in a CPA?

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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. No, new matter cannot be added in a Continued Prosecution Application (CPA). The MPEP clearly states: No amendment in an application under this paragraph (a continued prosecution application) may introduce new matter or matter that would have been new matter in the prior application. Any attempt to add new matter will be denied entry by the examiner. If an applicant needs to add new matter, they should consider filing a continuation-in-part application under 37 CFR 1.53(b) instead of a CPA. Related Rules from the Manual of Patent Examining Procedure 10 rules Collapse Examiner Can Require Information Under 37 CFR 1.105 MPEP 2005 Inventors May Obtain Patents for New Processes, Machines, Manufactures, or Compositions of Matter MPEP 201 Permitted Patent for Distinct Plant Varieties MPEP 201 Permitted Patent Rules for Plants MPEP 201 Required Requirement for New Ornamental Design MPEP 201 Permitted Design Patents Apply Invention Rules Except Otherwise Provided MPEP 201 Required Specification and Drawings Required for Filing Date MPEP 201 Required Patent Applications Cover Three Broad Types of Subject Matter MPEP 201 Permitted Individuals Must Disclose Material Information for Patentability MPEP 2005 Requirement for Examiner to Obtain Reasonably Necessary Information MPEP 2005 Other Related FAQs 5 FAQs Collapse How are continuation-in-part (CIP) applications filed under former 37 CFR 1.62 treated? What happens to terminal disclaimers in a divisional application? How does a terminal disclaimer affect a divisional application? What are the requirements for filing a CPA? How does a reissue application differ from a regular patent application?