Andrew R. Campbell

Andrew R. Campbell is a Wisconsin civil litigation lawyer and member of O’Neil Cannon’s Litigation Practice Group. He represents individuals, businesses, property owners, beneficiaries, and fiduciaries in lawsuits and disputes involving contracts, commercial relationships, real estate, trusts, estates, and inheritances. Andrew handles matters in Wisconsin state and federal courts. His approach combines careful factual analysis, organized case preparation, practical negotiation, and focused advocacy designed around each client’s legal concerns.

Andrew earned a B.A., magna cum laude, from The George Washington University and a J.D. from the University of Wisconsin Law School. During law school, he served as editor-in-chief of the Wisconsin International Law Journal and competed nationally as a member of the mock trial team. He is admitted in Wisconsin, the Seventh Circuit, and the federal district courts for the Eastern and Western Districts of Wisconsin.

Andrew covers business conflicts, contract claims, commercial disputes, real estate disagreements, landlord-tenant matters, trust disputes, estate controversies, and inheritance litigation in his litigation practice. He manages complex discovery, researches legal and factual issues, prepares motions, and develops arguments for negotiations and court proceedings. He also assists clients through mediation and arbitration when alternative dispute resolution offers a suitable path. His experience helps clients understand risks, procedural requirements, available strategies, and possible outcomes before making important decisions.

Andrew R. Campbell teaches probate and estate administration as an adjunct instructor at the University of Wisconsin Law School. He serves on the State Bar of Wisconsin’s Solo, Small Firm and General Practice Section Board and Leadership Development Committee. Andrew belongs to the Thomas E. Fairchild American Inn of Court, Milwaukee Bar Association, and Milwaukee Young Lawyers Association. He has published on Wisconsin landlord-tenant law and volunteers with the Marquette Volunteer Legal Clinic. His teaching, writing, service, and courtroom experience support effective communication and disciplined representation throughout challenging civil disputes.

Law Office Affiliations

• Member, O’Neil, Cannon, Hollman, DeJong & Laing S.C.
• Member, Milwaukee Bar Association
• Member, Milwaukee Young Lawyers Association

Licensed State

• Wisconsin

Education

• University of Wisconsin Law School
  Juris Doctor (JD)
• The George Washington University
  Bachelor of Arts (BA)