Can extrinsic evidence expand the meaning of terms in a 35 U.S.C. 102 rejection?
No, extrinsic evidence cannot expand the meaning of terms in a 35 U.S.C. 102 rejection. According to MPEP 2131.01: “Extrinsic evidence may be used to explain but not expand the meaning of terms and phrases used in the reference relied upon as anticipatory of the claimed subject matter.” This principle is illustrated in the case…
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