MPEP 802.02
Definition of Restriction

This is the Ninth Edition of the MPEP, Revision 08.2017, Last Revised in January 2018

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802.02    Definition of Restriction [R-08.2012]

Restriction is the practice of requiring an applicant to elect a single claimed invention (e.g., a combination or subcombination invention, a product or process invention, a species within a genus) for examination when two or more independent inventions and/or two or more distinct inventions are claimed in an application.