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James J. Williamson - Oshkosh, WI

210 North Main StreetSuite 100 Oshkosh, WI 54903

Updated: 09/30/2016

Oshkosh Alternative Dispute Resolution, Mediation, Arbitration Lawyer


James J. Williamson, a firm partner, was admitted to Wisconsin bar in 1956 after graduating from Marquette University Law School in 1956...

About James J. Williamson

Current Employment Position(s)

  • Partner

Practice Areas

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


  • 60%


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

Other Affiliations

  • Winnebago County Bar Association, 1970 (President)
  • American Bar Association (Member)
  • State Bar of Wisconsin, Negligence Section, 1974 - 1977 (Director)
  • Board of State Bar Commissioners, 1974 - 1977 (Member)
  • Board of Attorneys Professional Responsibility, 1977 - 1983 (Member)


  • Marquette University Law School, Milwaukee, Wisconsin, 1956
    Law Review: Marquette University Law Review, Member, 1955 - 1956
  • Fordham University , 1951
    Major: Mathematics

Fraternities and Sororities

  • Sigma Nu Phi

Office Information


210 North Main StreetSuite 100 Oshkosh, WI 54903


  • 920-235-2011

Office Hours

Mon-Fri 8:00 a.m. - 5:00 p.m.



  • Fellow, American College of Trial Lawyers
  • Fellow, American Bar Foundation

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