Grant R. Mainland

Grant R. Mainland is a partner in Milbank’s Litigation & Arbitration Group.

Mr. Mainland represents corporations and individuals at the trial and appellate levels in a broad array of complex civil litigation in federal and state courts around the country, with a particular focus on securities class actions and shareholder derivative lawsuits, bankruptcy and real estate litigation, and M&A-related disputes. He also has significant experience in white collar criminal and regulatory investigations and enforcement actions by the DOJ, SEC, CFTC, PCAOB, and other regulators, including matters relating to auditor independence as well as securities and commodities compliance. Mr. Mainland also maintains a vigorous pro bono practice in matters ranging from racial vote dilution to housing regulation to the rights of children living in homeless shelters.

Before joining Milbank, Mr. Mainland practiced in the litigation department of Wachtell, Lipton, Rosen & Katz and served as a law clerk to the Honorable Pierre N. Leval of the United States Court of Appeals for the Second Circuit.

Recognition & Accomplishments

Mr. Mainland graduated from Columbia Law School, where he was a James Kent Scholar and the Editor-in-Chief of the Columbia Law Review. He earned a bachelor’s degree from Reed College, where he was elected to Phi Beta Kappa, and a master’s degree from Harvard University.

Since 2024, Mr. Mainland has been recommended for securities litigation in both Legal 500 USA and Benchmark Litigation. In 2025, he was included in the 2026 Lawdragon 500 Leading Litigators in America guide and the 2026 edition of Benchmark Litigation. He was also recognized by the AmLaw Litigation Daily for a significant trial victory in Delaware Chancery Court, in which the Court rejected a merger counterparty’s request for specific performance in a broken SPAC deal.