Demystifying Means-Plus-Function: The Ins and Outs to MPF Statements

Explore the law on means-plus-function claiming with this practice note describing when a utility patent claim should be interpreted as a means-plus-function or step-plus-function claim (functional claims) in accordance with 35 U.S.C. § 112(f) and the sixth paragraph of pre-AIA 35 U.S.C. § 112. Explore how the scope of a functional claim should be construed and applied for purposes of determining infringement.

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Related Content                                 

• Means-Plus-Function Limitation and Section 112(b) Rejection Checklist
  Uncover arguments for responding to an office action interpreting a claim limitation containing functional language, as governed by 35 U.S.C. § 112(f), as a means-plus-function limitation or as indefinite under 35 U.S.C. § 112(b).

• Office Action Response Argument (Means-Plus-Function and Indefiniteness under Section 112)
  Review background and guidance for responding to rejections interpreting a claim limitation containing functional language as invoking 35 U.S.C. § 112(f) (i.e., as a means-plus-function limitation) and rejections for indefiniteness under 35 U.S.C. § 112(b).

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