assignor estoppel

Patents. Estoppel barring someone who has assigned the rights to a patent from later attacking the patent’s validity. Westinghouse Elec. & Mfg. Co. v. Formica Insulation Co., 266 U.S. 342, 45 S.Ct. 117 (1924).

• The doctrine was narrowed by Diamond Scientific Co. v. Ambico, Inc., 848 F.2d 1220 (Fed. Cir. 1988), in which the court held that in some circumstances equity may outweigh the public-policy reasons behind the estoppel doctrine. [Cases: Patents 129(2). C.J.S. Patents § 227.]

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词条贡献者

译员蓉婧，欧洲知名商学院国际金融专业，专注翻译各种与美国证券法律有关的法律文件。