The Federal Circuit has issued an opinion on the burden of proof for establishing estoppel in a case involving an inter partes review (IPR) petition. The case is Ironburg Inventions Ltd. v. Valve Corp....more
In Hytera Communications Corp. Ltd. v. Motorola Solutions, Inc., 1-17-cv-01794 (NDOH 2021-04-29, Order) (Donald C. Nugent), the District Court denied defendant’s motion for attorney fees under 35 U.S.C. § 285, determining...more
The PTAB’s evolving evidentiary standards often perplex petitioners and patent owners. Historically, significant party effort has gone into attempting to establish that non-patent literature, such as articles, textbooks,...more
With the explosion of 35 U.S.C. § 101 challenges since Alice v. CLS Bank,1 litigants and courts are well familiar with its applicable two-part inquiry. Overlaying and shaping the Alice inquiry, however, are the parties’...more