Supreme Court of Texas December 1997 casesSchlumberger Technology Corp. v. SwansonMerrell Dow Pharma v. on Behalf of HavnerMurphy v. CampbellHammerly Oaks, Inc. v. EdwardsVelsicol Chemical Corp. v. WinogradVerburgt v. DornerNUNU, IN RESpohn Health System Corp. v. SilvaDallas Market Center Development Co. v. LiedekerCity of Tyler v. LikesU.S. Fire Ins. Co. v. WilliamsBoyd v. American Indem. Co.