About Mark D. Samson

As a licensed veterinarian, Mark has the medical knowledge to help his clients get the results they deserve. Given his strong medical science background, Marks practice focuses on tort law, including medical negligence, product liability, and other significant personal injury cases. He has nearly 35 years of experience litigating medical malpractice cases with victories including the landmark Edwards verdict and a transfusion-associated AIDS case that remains one of the largest personal injury verdicts in Arizona history. Mark was born in New York, but he moved to the Phoenix area in 1959 and grew up there. He practiced from 1986 to 1995 at Meyer, Hendricks, Victor, Osborn & Maledon, becoming a member in 1992. In 1995, Mark formed Dalton Gotto Samson & Kilgard, P.L.C. ('DGSK') and was one of the members of DGSK who formed Keller Rohrback P.L.C. in 2002.

Articles & Presentations

Personal Injury Law in Arizona, Maricopa County Association of Paralegals (2018).

The Lawyer’s Role in Meeting 21st Century Changes in Veterinary Medicine, American Veterinary Medical Law Association (2018).

Health Law - Medical Malpractice in Today’s World, Arizona Paralegal Association (2016).

Health Law and Policy, Arizona State University College of Law (2016).

From the Heart: Letting Go in Front of the Jury, Arizona Trial Lawyers Association (2015).

Medical Malpractice Seminar, Arizona Trial Lawyers Association (2013).

Trial Masters: A Look Inside the Value Options Case & Tools for Difficult Cases, Arizona Trial Lawyers Association (2011).

Comparing Veterinary and Legal Ethics, Arizona State Bar (2009).

Issues in FTCA Claims, Arizona Trial Lawyers Association (2008).

Loss of a Chance in Med Mal Cases, Arizona Trial Lawyers Association (2008).

Co-Chairman, Trial Practice - Damages, Arizona Trial Lawyers Association (2007).

Co-Chairman, Liens, Arizona Trial Lawyers Association (January 2006).

Negotiation, Blackwells 5-Minute Veterinary Manager (2006).

Chairman, Rapid Fire on Litigation Issues, Arizona Trial Lawyers Association (October 2006).

Arizona Appellate Update, Maricopa County Bar Association (2005).

Liens Again, Maricopa County Bar Association (2004).

Speaker, Changes and issues in Arizonas ethical rules for attorneys, Arizona Paralegal Association (2003).

Punitive Damages after Campbell v. State Farm, Maricopa County Bar Association(May 2003).

Chairman, New Ethical Rules in Arizona, Arizona State Bar (October 2003).

Speaker, Application of legal principles to veterinary medicine, Arizona Veterinary Medical Association (1999-2003).

Co-Chair, Anatomy of Pain, Arizona Trial Lawyers Association (2002).

Speaker, Settlement conferences versus trial in medical malpractice cases, Arizona Paralegal Association (2002).

Chair, Seminar on Medical Malpractice in the Ages of Disclosure, Maricopa County Bar Association.

Speaker, New legal theories in medical malpractice, Arizona Trial Lawyers Association Medical Malpractice Seminar (1999).

Speaker, Use of medical literature in the courtroom, Arizona Trial Lawyers Association Medical Malpractice Seminar (1996).

Speaker, Tort and regulatory issues affecting veterinarians, National Meeting of American Veterinary Medical Law Association (1995).

Chairman, Seminar on Anatomy, Maricopa County Bar Association (1994).

Honors & Awards

Best Lawyers in America, Phoenix, Arizona, 2026 (Recognized since 2022):Medical Malpractice Law - Plaintiffs
• Personal Injury Litigation - Plaintiffs
• Product Liability Litigation - Plaintiffs

Selected to Super Lawyers list in Super Lawyers - Southwest, 2008 - 2021

 

Awards

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Areas of Law

  • Commercial Litigation
  • Other 4
    • Class Action & Consumer Litigation
    • Medical Malpractice Litigation
    • Medical & Dental
    • Personal Injury Litigation

Experience

  • Bar Admission & Memberships
    Admissions
    1986, Arizona
    2008, Washington, D.C.
    Memberships

    Professional and Civic Involvement

    Maricopa County Bar Association, Member

    Arizona State Bar Association, Member

    American Association for Justice, Member

    Arizona Association for Justice, Sustaining Member

  • Education & Certifications
    Law School
    Arizona State University College of Law
    Class of 1986
    J.D.
    summa cum laude; Order of the Coif
    Other Education
    Arizona State University
    Class of 1976
    B.S.
    Bio-Ag Sciences, summa cum laude

    Washington State University College of Veterinary Medicine
    Class of 1980
    D.V.M.
    summa cum laude

    Washington State University College of Veterinary Medicine
    Class of 1983
    M.S.
    Veterinary Anatomy
  • Personal Details & History
    Age
    Born in 1954
    Bronxville, New York, 1954
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Attorneys FAQs

  • What year was this attorney first admitted to the bar?
    Mark D. Samson was admitted in 1986 to the State of Arizona.
  • Is this attorney admitted to the bar in more than one state?
    Yes, Mark D. Samson is admitted to practice in Arizona and District of Columbia.
  • Is this attorney Martindale-Hubbell Peer Review rated?
    Yes, Mark D. Samson has a 5.0 Peer Rating from Martindale-Hubbell.
  • How many attorneys are in this law firm?
    Keller Rohrback L.L.P. has 73 attorneys at this location.
  • What law school did this attorney attend?
    Mark D. Samson attended Arizona State University College of Law.