Sacks is admitted to practice in all Pennsylvania state courts, along with the U.S. courts on matters including antitrust and RICO claims. Later in his career, Sacks went on to represent corporate and governmental clients from Europe, Asia and South America in U.S. Sacks Weston, LLC continues to handle complex litigation and other environmental and toxic tort matters. Sacks then went on to help settle a tobacco case for $1.25 billion and to help settle three cases in excess of $200 million with one at $50 million. litigation, the firm's efforts resulted in the largest single-landowner verdict in the country's history. This enabled the firm to better serve clients whose land had been contaminated in Mississippi, Louisiana, Arkansas and Kentucky. In addition to the new practice areas, a satellite firm was established in New Orleans, LA. While the firm continued to take on personal injury, medical malpractice, and maritime cases, the doors were also opened to plaintiffs in need of toxic tort and environmental contamination litigation representation. In total, Sacks oversaw a membership of more than 50,000 union members and their families.
His talent for administration was quickly recognized and Sacks started managing numerous legal service plans for large labor unions, one of which was Lodge 5 of the Fraternal Order of Police. After earning his Juris Doctor degree from Dickinson School of Law in 1984, Sacks officially began his legal career with a focus on personal injury.