Causal Nexus Requirement for Showing Irreparable Harm in Multi-consumer, Multi-Feature Products Only Requires An infringing Feature to be “A Driver” of Demand

GENBAND v. METASWITCH: July 10, 2017. Before Lourie, Taranto, and Chen.   Takeaway: In multi-consumer, multi-feature products, the causal nexus requirement for showing irreparable harm can be satisfied by evidence showing that an infringing feature increases a product’s desirability, or evidence showing that the absence of the feature would make …

Federal Circuit Dismisses Appeal upon Finding it is Precluded from Reviewing District Court’s Decision to Remand for Lack of Subject Matter Jurisdiction

PRESTON V. NAGEL: Jun. 1, 2017. Before Dyk, Taranto, and Hughes. Takeaways: The CAFC is barred under 28 U.S.C. § 1447(d) from reviewing the district court’s decision to remand because the remand was based on a lack of subject matter jurisdiction. The CAFC found that while hearing state-law and patent-law …

Federal Circuit Reaffirms the Board’s Decision to Terminate a Reexamination As to Only Litigated Claims in a Civil Action

IN RE AFFINITY LABS OF TEXAS, LLC: May 5, 2017. Before Taranto, Chen, Stoll. Takeaway: The estoppel provision under 35 U.S.C. 317(b) does not extend to all parties and all claims, but rather only to an inter partes requester that was a party to the civil action (or its privies) …

Patent Claiming Antidote for Acetaminophen Overdoses Not Invalid as Either Derived From Another or Obvious Over the Prior Art

CUMBERLAND PHARMS. INC. v. MYLAN INSTITUTIONAL LLC:  Jan. 26, 2017.   Before Moore, Reyna, and Taranto. Takeaway: To prove that a claimed invention was derived from another, a defendant must show that the specific invention was previously conceived by someone else and then communicated to the named inventor. There is no …

Prior Art Disclosing a “Chain of Stores” Does Not Anticipate a Patent Limited to a “Single Merchant”

D’AGOSTINO v. MASTERCARD INTERNATIONAL: Dec. 22, 2016. Before Taranto, Linn, and Stoll. Takeaway: A patent with a “single merchant” limitation is not anticipated by a prior art reference that disclosed an embodiment directed to a “chain of stores.” Procedural Posture: On appeal from the PTAB’s decision in an IPR finding …