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Mag Aerospace: An Unnecessary Exploration of the Law of Assignor Estoppel

March 24, 2016| in Wegner's Writings| by Hal Wegner

Yesterday in Mag Aerospace Industries, Inc. v. B/E Aerospace, Inc., __ F.3d __ (Fed. Cir. Mr. 23, 2016)(Prost, C.J.), in the course of an affirmance of noninfringement of a vacuumless toilet patent, the Court provided a tutorial on assignor estoppel, Mag Aerospace, slip op. at 9-11.

Too Many Law Clerks (con’d):  Given that the Court concluded that there was no infringement even if the claims were valid, precisely why was it necessary for the Court to provide a tutorial on assignor estoppel unnecessary for the noninfringement holding in this case?

An excerpt of the opinion is attached.

MagMarch24

Regards,
Hal

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