University of Arizona

B.A., 1990

University of Denver College of Law

J.D., 1993

Bar Admission


James S. Rigberg


Prominent Assignments

Mr. Rigberg represents commercial property owners and developers, homebuilders, and business owners in Federal and State Court litigation involving title issues, construction/engineering defects, payment disputes, business dissolutions, and lease defaults.  Mr. Rigberg also has extensive experience in cases dealing with trademark and copyright infringement, restrictive covenant enforcement, professional malpractice defense, and probate matters.  Mr. Rigberg has served as both lead and co-lead counsel in many jury and bench trials, arbitrations, agency hearings, and appellate cases.
Illustrative cases include:
  • As co-lead counsel, obtained dismissal of $11 million trademark infringement claims in a “bet-the-company” arbitration proceeding.
  • Defended two individual attorneys and a law firm against $5 million malpractice claim; jury returned a zero dollar verdict.
  • Obtained Arizona Court of Appeals reversal of trial court order allowing $2 million claim against probate estate; published decision helped further refine guidelines for presentation of claims against estates.
  • Succeeded in having binding JAMS arbitration award against California Indian tribe vacated.