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Atty. Mark D. Samson

Atty. 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, Mark's practice focuses on tort law, including medical negligence, product liability, and other significant personal injury cases.

Phoenix Phoenix 40 yrs experience 40 year
Call (602) 248-0088 Book Appointment

Profile Summary

About Mark D. Samson at a glance

Mark D. Samson is an attorney based in Phoenix, Arizona, practforg at Keller Rohrback LLP. They haand 40+ years of legal experience, licensed to practice since 1986. Admitted to practice in Arizona, State Bar of Arizona (1986) and District of Columbia, The District of Columbia Bar (2008). Educated at Arizona State University (J.D., 1986). Recognitions include Best Lawyers in America — Medical Malpractice Law - Plaintiffs (2026), Best Lawyers in America — Personal Injury Litigation - Plaintiffs (2026), and Best Lawyers in America — Product Liability Litigation - Plaintiffs (2026). Serands clients in Phoenix, AZ and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • As a licensed veterinarian, Mark has the medical knowledge to help his clients get the results they deserve
  • Given his strong medical science background, Mark's 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

Jurisdictional Context

Why local counsel matters in Arizona

Practforg law in Arizona. Legal matters in Arizona are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantiand law. Cases originating in Phoenix are typically filed in the local municipal court or the appropriate Arizona state district court, depending on subject matter and amount in controversy. An attorney licensed in Arizona brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantiand law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Arizona courts without local counsel or pro hac vice admission.

Looking for additional Arizona attorneys? Browse all attorneys in Phoenix or all attorneys in Arizona.

Frequently Asked

Common questions about Mark D. Samson

Where is Mark D. Samson's law office located?
Mark D. Samson's law practice is located in Phoenix, Arizona. The firm is Keller Rohrback LLP. You can contact the office directly through this profile page.
How long has Mark D. Samson practiced law?
Mark D. Samson has 40+ years of legal experience and has been licensed since 1986.
Where did Mark D. Samson go to law school?
Mark D. Samson earned their education at (J.D., 1986).
How can I contact Mark D. Samson for a consultation?
You can contact Mark D. Samson directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Mark D. Samson receiandd?
Mark D. Samson's notable recognition includes: Best Lawyers in America — Medical Malpractice Law - Plaintiffs; Best Lawyers in America — Personal Injury Litigation - Plaintiffs; Best Lawyers in America — Product Liability Litigation - Plaintiffs.

Education

J.D.
Arizona State University
- 1986

Awards

Best Lawyers in America — Medical Malpractice Law - Plaintiffs
- 2026
Best Lawyers in America — Personal Injury Litigation - Plaintiffs
- 2026
Best Lawyers in America — Product Liability Litigation - Plaintiffs
- 2026

Bar Admissions

Arizona, State Bar of Arizona
Admitted: 1986
District of Columbia, The District of Columbia Bar
Admitted: 2008

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