The Federal Circuit recently issued a decision in the ongoing dispute in Kroy IP Holdings, LLC v. Groupon, Inc., addressing the collateral estoppel effect of Patent Trial and Appeal Board (PTAB) decisions on subsequent...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
Addressing the presumption of validity in ex parte re-examinations, the U.S. Court of Appeals for the Federal Circuit reiterated that the presumption of validity does not apply to patents under reexamination in the U.S....more