Lawrence Kasten, Lewis Roca Photo

Lawrence A. Kasten

Partner, General Counsel
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Larry is diligent, resourceful, and knowledgeable. He provides exceptional support and strategic advice to his clients.

Larry Kasten is a partner whose practice includes all aspects of litigation, with a focus on appeals.  Larry is a Fellow in the American Academy of Appellate Lawyers and a former U.S. Supreme Court, Ninth Circuit, and District Court law clerk.  He served on the Ninth Circuit’s Advisory Committee on Rules for several years, and he participates in a number of other appellate-related educational and professional activities.  His experience includes securities, insurance, banking, and constitutional law, with an emphasis on class-action defense. Larry also is the firm’s General Counsel and has extensive experience in the fields of legal ethics and the law governing lawyers.

Personal Approach

Larry is diligent and ensures that each client benefits from the legal and practical experience of the firm as a whole. Larry serves as the firm General Counsel, and his internal firm clients appreciate his judgment, candor, knowledge, and mentorship. Larry supports the firm’s lawyers by connecting the different practice areas of the firm to draw on the collective wisdom and experience of the entire firm.  Larry utilizes these in-house counsel skills when advising clients outside the firm, so that he may provide them with the benefits of his experience in collaborative and multi-discipline problem-solving.   

Larry’s appellate practice includes not only briefing and arguing cases, but also advising clients about dispute resolution opportunities for cases on appeal.

In his free time, Larry enjoys reading fiction and nonfiction literature and occasionally making spontaneous trips to domestic or international destinations.

More About Lawrence A. Kasten


  • J.D., with highest honors, George Washington University Law School, 1992
  • B.A., magna cum laude, University of Connecticut, 1989

Bar Admissions

  • Arizona, 2000
  • Washington, D.C., 1994 (Inactive)

Court Admissions

  • Arizona Supreme Court
  • District of Columbia Court of Appeals
  • U.S. Supreme Court
  • U.S. Court of Appeals, District of Columbia Circuit
  • U.S. Court of Appeals, Federal Circuit
  • U.S. Court of Appeals, Fifth Circuit
  • U.S. Court of Appeals, Sixth Circuit
  • U.S. Court of Appeals, Ninth Circuit


  • Advisory Committee on Rules of the United States Court of Appeals for the Ninth Circuit, Former Member
  • American Bar Association Appellate Practice Rules and Procedures Subcommittee, Former Co-chair
  • American Law Institute, Elected Member
  • American Academy of Appellate Lawyers, Elected Member

Representative Matters

Larry’s experience includes:

  • Briefing and arguing various commercial litigation cases before federal and state courts of appeal
  • Consultation regarding legal ethics and rules of professional conduct
  • Representation of national insurance companies, disability insurance companies, and financial institutions in class-action litigation
  • Representation of state public entities in administrative proceedings

Honors & Recognitions

  • The Best Lawyers in America, Woodward/White, Aiken, S.C., Appellate Law, 2008-2024
  • Chambers USA, Litigation: Appellate, 2021-2023
  • Martindale-Hubbell, "AV/Preeminent Attorney" rating
  • Southwest Super Lawyers, Appellate, 2018
  • Benchmark Litigation, Arizona "Local Litigation Star," 2016
  • AZ Business Magazine, Top Lawyers, Commercial Litigation, 2010
  • Larry Kasten Recognized as 2019 Top Pro Bono Lawyer by Arizona Foundation for Legal Services & Education


  • Hon. William J. Brennan, Supreme Court of the United States
  • Hon. Mary M. Schroeder, U.S. Court of Appeals for the Ninth Circuit
  • Hon. Thomas Penfield Jackson, U.S. District Court for the District of Columbia



  • Presenter, "10 Tips in 50 Minutes" for Handling an Appeal, State Bar of Arizona - Appellate Practice Section, Webinar, September 2020
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