What is required for a specification to support a means-plus-function limitation?
For a specification to properly support a means-plus-function limitation, it must disclose the corresponding structure, material, or acts that perform the claimed function. The MPEP states: “The proper test for meeting the definiteness requirement is that the corresponding structure (or material or acts) of a means- (or step-) plus-function limitation must be disclosed in the…
Read MoreWhat is a single means claim and why is it problematic?
A single means claim is a claim that recites a means-plus-function limitation as the only limitation of the claim. These claims are problematic because they cover every conceivable means for achieving the stated result. The MPEP explains: “The long-recognized problem with a single means claim is that it covers every conceivable means for achieving the…
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