1 : to bar or invalidate (a patent) by anticipation [the patent on the compound had been anticipated by the Beilstein reference "Misani v. Ortho Pharm. Corp. , 210 A.2d 609 (1965)"]
2 : to negate the novelty of (an invention) by its appearance in prior art [appeared to have anticipated a variable light makeup mirror "Wilson v. Bristol-Myers Co. , 503 N.Y.S.2d 334 (1986)"]
Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.