JD Supra

Can Different Theories of Patent Invalidity Be Deemed Different Issues for Collateral Estoppel Purposes?

The doctrine of issue preclusion, or collateral estoppel, prevents a party who unsuccessfully litigated an issue to a final decision in one proceeding from relitigating the same issue in future ...
JD Supra

For Those Challenging a Patent’s Validity in an IPR, New Clarity on Which Arguments Can Later be Litigated in Court

Inter partes review—or “IPR”—has become a popular avenue for accused patent infringers to challenge the validity of a patent’s claims outside of federal court. Any interested party may file for IPR, ...
Managingip.com

China Patent Office upholds the validity of the blockbuster antiallergic drug patent

The China Patent Office upheld the validity of the patent over the antihistamine desloratadine citrate disodium, as Yue Guan from Wanhuida Intellectual Property explains The China Patent Office ...
IPWatchdog

Brazil’s Superior Court of Justice Rules Infringement Courts Can Hear Invalidity Arguments

“Although for now this decision has opened the doors of state courts to claims of industrial design (and patent) invalidity, there is a chance the court might restrict the scope of this interpretation ...