Topic: joinder

Federal Circuit Clarifies Requirements for Joinder in Multi-Defendant Patent Infringement Lawsuits

On May 4, 2012, a Federal Circuit panel issued a decision that narrowed the conditions under which plaintiffs can include multiple unrelated defendants in claims of patent infringement. The ruling, which only applies to lawsuits filed before the America Invents Act took effect in September 2011, blocks joinder in multi-defendant patent infringement cases where the… Read more »