Sean Goicoechea

Sean Goicoechea is a Montana civil litigation attorney at Moore, Cockrell, Goicoechea & Johnson, P. C, whose practice focuses primarily on medical malpractice defense. He also handles professional liability, commercial liability, personal injury law, products liability, and general civil litigation matters. Since beginning practice in 2000, he has tried cases involving medical malpractice, personal injury, ski area liability, governmental liability, Section 1983 claims, and punitive damages. His courtroom experience supports representation in complex disputes involving significant factual, medical, and legal issues.

Sean earned his J.D. from the University of Montana and his B.A. in Sociology, with a minor in Mathematics, from the University of Montana. During law school, he interned for US District Judge Donald W. Molloy, served as an editor of the Montana Law Review, and participated on the law school trial team. He also prosecuted misdemeanors and some felonies as a clinical intern with the Missoula County Attorney’s Office before entering private practice.

Sean is admitted to the State Bar of Montana, the US District Court for the District of Montana, and the US Supreme Court. His professional affiliations include fellowship in the American College of Trial Lawyers and the International Society of Barristers, along with membership in the American Board of Trial Advocates. He served as a Ninth Circuit Lawyer Representative for the District of Montana and has participated in federal and state court rules and advisory committees.

Sean Goicoechea has served on the University of Montana School of Law Advanced Trial Advocacy faculty and has received recognition for his medical malpractice defense and litigation work. His professional service includes appointments involving attorney admissions and court rules, reflecting sustained involvement in Montana’s legal community. His combination of trial experience, professional liability work, and medical malpractice defense supports a practice centered on high-stakes civil litigation and careful courtroom advocacy across Montana state and federal courts. He brings decades of litigation experience to cases requiring preparation, expert testimony, evidentiary analysis, and persuasive presentation before judges and juries.

Law Office Affiliations

• Attorney, Moore, Cockrell, Goicoechea & Johnson P.C
• Fellow, American College of Trial Lawyers
• Fellow, International Society of Barristers
• Member, American Board of Trial Advocates

Licensed State

• Montana

Education

• University of Montana
  Juris Doctor (JD)
• University of Montana
  Bachelor of Arts (BA)

Awards & Badges