Where a plaintiff alleges legal malpractice, he must sufficiently plead that the attorney’s putative negligence was the proximate and legal cause of his injury, and a failure to demonstrate proximate cause may warrant dismissal.The 1st District Appellate Court affirmed the decision of Cook County Circuit Judge Sheryl A. Pethers.Courtney and Susie Smith entered into a real estate contract regarding the sale of their Chicago property to Kevin and Nisha Desai “on or about Aug. 30, 2013.” The Smiths hired …