Mark D. Lammers

Mark D. Lammers

Rusing Lopez & Lizardi, P.L.L.C.

Recognized since 2018

Tucson, Arizona

Practice Areas

Commercial Litigation

Litigation - Securities

Personal Injury Litigation - Defendants

Personal Injury Litigation - Plaintiffs

Real Estate Law

Lawyer of the Year Badge - 2021 - Personal Injury Litigation - Defendants
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Mark Lammers is a Partner with extensive experience in all types of civil litigation.He has litigated in state and federal courts including Arizona appellate courts and the Ninth Circuit of the Court of Appeals. Mark has also litigated many cases before various state agencies and tried many cases before arbitration panels including AAA arbitrations and arbitrations before the Financial Industry Regulatory Authority (FINRA).

Mark started his legal career at the Pima County attorney’s office, where he prosecuted serious felonies, including serious violent crimes, white-collar crime, and forfeiture litigation. He is currently a special prosecutor for the San Carlos Apache tribe. He also defends individuals accused of serious offenses and white-collar crimes. He has represented State employees and other government officials accused of criminal acts.

Mark has extensive experience in the areas of business litigation, stockbroker negligence/unsuitable investments, securities fraud, personal injury/wrongful death, medical and professional malpractice, dangerous products, breach of contract, insurance bad faith/wrongful denial of disability benefits and employment law. His experience in intellectual property law includes prosecuting and defending claims for patent, trademark, copyright infringement, and claims involving breaches of confidentiality agreements.

Contact & Links


  • 6363 North Swan Road, Suite 151
    Tucson, AZ 85718


  • Adams State College, History and Government, MA, graduated 1982
  • Adams State College, BA, graduated 1980

Bar Admissions

  • Arizona, 1987
  • Colorado, 1987


  • Ninth Circuit Lawyer Representative for the State of Arizona - Representative
  • Federal Bar Association - Member
  • American Board of Trial Lawyers - Member
  • Public Investors Arbitration Bar Association - Member
  • Pima County Bar Association - Member
  • DM 50, Supporting the Airmen of Davis Monthan Airforce Base - Member 2016 - Present
  • Fort Huachuca 50 - Member 2016 - Present
  • Arizona Rotary Club - Member 2013 - Present
  • NAMWOLF - National Association of Minority and Women Owned Law Firms - Member Firm

Rusing Lopez & Lizardi, P.L.L.C.
Headquarters: Tucson, Arizona

7 The Best Lawyers in America® awards

1 Best Lawyers: Ones to Watch in America awards

Best Law Firms Badge
Full Firm Profile

Lawyer of the Year Badge - 2021 - Personal Injury Litigation - Defendants

Named "Lawyer of the Year" by Best Lawyers® for:

  • Personal Injury Litigation - Defendants, Tucson (2021)

Recognized in The Best Lawyers in America® 2022 for work in:

  • Litigation - Securities
  • Commercial Litigation
  • Real Estate Law
  • Personal Injury Litigation - Defendants
  • Personal Injury Litigation - Plaintiffs


  • The Best Lawyers in America© (Litigation- Securities) 2018
  • Super Lawyer, 2014 2017
  • Arizona’s Finest Lawyers, 2016 - 2017
  • Service Award, James E. Rogers College of Law, 2014

Adjunct Professor

University of Arizona College of Law: Adjunct Professor

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