Litigation & Dispute Resolution Group

William Maher is a founding member of the Firm, and leads the Firm’s Litigation & Dispute Resolution Group. In his more than 30 years of practice, Bill has had broad experience in litigating, arbitrating or mediating high-stakes commercial disputes, has tried numerous cases and arbitrations, and has argued appeals in both state and federal court. For the last 18 years, Bill has been recognized by Chambers USA (an independent evaluator of lawyers and law firms) as a leading lawyer for business disputes in New York. In 2025, Chambers USA quoted Bill's clients as saying that he "is a very serious player in the commercial litigation space." In 2024, Chambers USA quoted Bill’s clients as follows: "He is aggressive and fearless," and “[a]n exceptional litigator.” Chambers USA noted that Bill “is routinely engaged by financial institutions to handle diverse disputes in the MBS [mortgage-backed securities] arena, and also offers a broader commercial practice including experience in antitrust and M&A disputes.” Bill has been repeatedly recognized as a "SuperLawyer" in business litigation in New York.