Skip to main content
Avvo Advisor

Stop searching and get answers.

Talk to an Avvo-vetted lawyer on the phone now. 15-min call for just $39.

Learn more

Client reviews

Not yet reviewed

Practice Areas


  1. Arbitration: 20%
  2. Corporate & Incorporation: 20%
  3. Real Estate: 20%
  4. Estate Planning: 20%
  5. Litigation: 20%

Attorney Endorsements

No endorsements

Endorsements from fellow lawyers are an important consideration for many when selecting the right attorney. Be the first to endorse your colleague!

Endorse this lawyer

Contact Info

Dempsey Law Firm, LLP

210 North Main Street.
P.O. Box 886
Oshkosh, WI, 54903-0886

Dempsey Law Firm LLP

Po Box 886
210 N Main St
Oshkosh, WI, 54903-0886



WIGood Standing195603/02/2015

Professional Misconduct

We have not found any instances of professional misconduct for this lawyer.
Avvo Contributions
Legal Answers
Association NamePosition NameDuration
Board of State Bar CommissionersMember1977 - 1983
State Bar of Wisconsin, Negligence SectionDirector1974 - 1977
Winnebago County Bar AssociationPresident1970 - 1970
American Bar FoundationFellowN/A
American College of Trial LawyersFellowN/A
Winnebago County Bar AssociationMemberN/A
American Bar AssociationMemberN/A
School NameMajorDegreeGraduated
Marquette University Law School N/ALL.B - Bachelor of Laws1956
Fordham University MathematicsAB1951

James J. Williamson, is this your profile?

Claiming your profile is free and easy.

Highlight your practice areas, experience, and contact information.

Showcase your speaking engagements, awards, case histories, and more.

Claim your profile