Allan is the founding member of his firm, which has a national reputation in environmental, toxic tort, class action, and complex business litigation. His career includes a number of landmark cases, such as the Three Mile Island Litigation, the Louisville Sewer Explosion Litigation, the first successful private party case under Superfund, Walls v Waste Resources, and In re Cooper Tire Litigation. Allan is best known for handling all aspects of novel case claims, especially those arising from mass disasters and mass torts. Allan is also an Adjunct Professor of Law at Tulane Law School and a Visiting Lecturer at Duke Law School. He has previously taught courses at Yale Law School, Boalt Hall, and the University of Texas. Allan is the author of Environmental and Toxic Tort Trials (Lexis Nexis) and scores of articles on a variety of subjects. He is a member of the BNA's editorial board for the Toxic Law Reporter and Class Action Reporter.

Allan Kanner is on the Advisory Board for The Sedona Conference.