Court of Chancery of Delaware December 2009 casesSibert v. PettyjohnMangano v. Pericor TherapeuticsCA, Inc. v. Ingres Corp.Envo, Inc. v. WaltersDirienzo v. Steel Partners Holdings L.P.Deloitte LLP v. FlanaganIn Matter of CauffielService Corp. v. GuzzettaNacco Industries v. Applica Incorporated, Del.ChPaolino v. Mace Sec. Int'l, Inc.Cephalon v. Johns Hopkins Univ.Grunstein v. SilvaIn re Texas Eastern OverseasWILT v. KENYONIn re 3COM Shareholders LitigationCephalon, Inc. v. Johns Hopkins UniversityZurich Amr. Ins. v. St. Paul Srps. Lines