James J. Williamson
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James J. Williamson


James J. Williamson, a firm partner, was admitted to the Wisconsin bar in 1956 after graduating from Marquette University Law School in 1956. He is a member of the State Bar of Wisconsin (Director, Negligence Section, 1974-1977), past Director of the Board of State Bar Commissioners (1974-1977), past Director of the Board of Attorneys Professional Responsibility (1977-1983), and a present member of the American Bar Association, the Association of Trial Lawyers of America; Defense Research and Trial Lawyers Association, a Fellow of the American College of Trial Lawyers, and a Fellow of the American Bar Foundation. He practices in the areas of civil litigation, estate planning, probate, real estate, corporations, and arbitration.

Areas of Practice

  • Alternative Dispute Resolution, Mediation, Arbitration
  • Contracts
  • Corporations Law and Business Organizations
  • Elder Law
  • Estate Planning
  • Probate and Estate Administration
  • Trusts
  • Wills

60% of Practice Devoted to Litigation

Bar Admissions

Wisconsin, 1956

U.S. District Court Eastern District of Wisconsin, 1956

U.S. Court of Appeals 7th Circuit

U.S. Tax Court, 1960


Marquette University Law School, Milwaukee, Wisconsin, 1956

Law Review: Marquette University Law Review, Member, 1955 - 1956

Fordham University , 1951
Major: Mathematics

Honors and Awards

Fellow, American College of Trial Lawyers

Fellow, American Bar Foundation

Professional Associations and Memberships

Winnebago County Bar Association, 1970 - President

American Bar Association

State Bar of Wisconsin, Negligence Section, Director from 1974 - 1977

Board of State Bar Commissioners, 1974 - 1977

Board of Attorneys Professional Responsibility, 1977 - 1983


Sigma Nu Phi