Rooted in the principle of fairness, the doctrine of assignor estoppel generally prevents an inventor, who had previously assigned their patent rights to another for value, from later contesting the validity of the assigned...more
No.
Micro Processing Technology, Inc. sent a letter to Plasma-Therm alleging that Plasma-Therm was infringing MPT’s patent. Plasma-Therm filed a declaratory judgment action seeking a declaration that it did not infringe....more
10/29/2018
/ Counterclaims ,
Declaration ,
Declaratory Judgments ,
Frivolous Lawsuits ,
Method Claims ,
Motion to Dismiss ,
Motion To Strike ,
Patent Infringement ,
Patent Litigation ,
Patents ,
Pleading Standards ,
Rule 11 ,
Sanctions ,
Voluntary Dismissals