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.]

---

词条贡献者

法律翻译Kelly，毕业于美国顶尖的高级翻译学院，专注翻译各类与消费者产品责任纠纷有关的法律文件。