CAFC Reverses Dismissal of Patent Infringement Suit Against Groupon, Clarifying Collateral Estoppel AnalysisPatentees can assert different claims of a patent despite other claims being invalidated in an IPR process, protecting their rights.
CAFC Vacates Summary Judgment Ruling in Third ParkerVision Appeal for Improper Collateral Estoppel AnalysisThe Federal Circuit ruled that unpatentability findings in IPR do not prevent patent validity arguments in court.The case emphasizes the significance of expert testimony in patent litigation.
Different Evidentiary Burdens in IPR Proceedings and District Court Means No Collateral Estoppel Effect on Related Patent ClaimsThe Federal Circuit overturned the district court's decision, favoring ParkerVision in key issues related to patent infringement and expert testimony.
CAFC Reverses Dismissal of Patent Infringement Suit Against Groupon, Clarifying Collateral Estoppel AnalysisPatentees can assert different claims of a patent despite other claims being invalidated in an IPR process, protecting their rights.
CAFC Vacates Summary Judgment Ruling in Third ParkerVision Appeal for Improper Collateral Estoppel AnalysisThe Federal Circuit ruled that unpatentability findings in IPR do not prevent patent validity arguments in court.The case emphasizes the significance of expert testimony in patent litigation.
Different Evidentiary Burdens in IPR Proceedings and District Court Means No Collateral Estoppel Effect on Related Patent ClaimsThe Federal Circuit overturned the district court's decision, favoring ParkerVision in key issues related to patent infringement and expert testimony.
SoftView Petitions Full Federal Circuit to Rehear Decision on Patentee Estoppel at USPTOThe CAFC's ruling limits the ability to address the patentability of claims based on the application of collateral estoppel in patent reexaminations.