MPEP 904.01(b)
Equivalents
Ninth Edition of the MPEP, Revision 07.2022, Last Revised in February 2023
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904.01(b) Equivalents [R-08.2012]
All subject matter that is the equivalent of the subject matter as defined in the claim, even though different from the definition in the claim, must be considered unless expressly excluded by the claimed subject matter. See MPEP § 2181 - § 2184 for a discussion of equivalents when a claim employs means or step plus function terminology.