How does the use of “means” or “step” in a claim affect its interpretation?

The use of “means” or “step” in a claim can significantly affect its interpretation under 35 U.S.C. 112(f). According to the MPEP § 2187, the presence or absence of these terms creates rebuttable presumptions regarding the application of 35 U.S.C. 112(f): Use of “means” or “step”: Creates a rebuttable presumption that the claim limitation is…

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