Premier Comp Solutions, LLC v. UPMC, 730 F.3d 316 (3d Cir. 2020). Under Rule 15 of the Federal Rules of Civil Procedure, amendments to pleadings are liberally granted. But when a Scheduling Order sets a deadline for amending pleadings, Rule 16(b)(4) requires “good cause” for an amendment. In this case, plaintiff sought to add a defendant after an amendment deadline had passed (and after that deadline had been extended once). Plaintiff’s motion relied only on Rule 15’s “liberally granted” standard. When the UPMC defendants opposed the motion and called...