Atty. Trevor Lippman

Atty. Trevor Lippman

Trevor assists clients in a wide array of personal and business legal disputes. Whether evaluating legal options prior to suit, litigating a multi-million-dollar inheritance dispute, pursuing a claim on behalf of a company for breach of contract, or defending a business against false or exaggerated claims, Trevor prides himself on zealously advocating for his clients’ interests while remaining empathetic and clearly communicating throughout the entire process.

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Profile Summary

About Trevor Lippman at a glance

Trevor Lippman is a trusts attorney based in Milwaukee, Wisconsin, practicing at O'Neil, Cannon, Hollman, DeJong & Laing SC. Admitted to practice in Wisconsin, Wisconsin State Bar. Educated at University of Wisconsin–Madison (—, 2013) and University of Wisconsin–Eau Claire (—). Recognitions include Best Lawyers in America — Litigation - Trusts and Estates (2026), Best Lawyers in America — Awards: (2026), and Best Lawyers in America — Selected for inclusion on The Best Lawyers in America: Ones to Watch list, 2021–2024 (2026). Serands clients in Milwaukee, WI and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

Trevor assists clients in a wide array of personal and business legal disputes. Whether evaluating legal options prior to suit, litigating a multi-million-dollar inheritance dispute, pursuing a claim on behalf of a company for breach of contract, or defending a business against false or exaggerated claims, Trevor prides himself on zealously advocating for his clients’ interests while remaining empathetic and clearly communicating throughout the entire process. He understands that many of his clients have not been through the legal process and this can be a stressful and traumatic experience for them.

Having grown up in a large family in rural Wisconsin before attending undergraduate college in Eau Claire, law school in Madison, and settling down in Milwaukee with his wife and two young son, Trevor has a unique ability to relate to his clients regardless of where they live, what they do, and what circumstances they find themselves in.

Trevor Assists Clients With

  • Fiduciary representation, including representing a trustee of a trust, power of attorney, or Personal Representative of an estate
  • Pursuing claims against a fiduciary who has taken wrongful action
  • Estate Litigation
  • Trust Litigation
  • Inheritance Litigation
  • Will and Trust Contests
  • Commercial Litigation
  • Commercial Construction Disputes
  • Commercial Landlord/Tenant Disputes

    Experience/Representative Client Work

    As a key member of the firm’s trust and inheritance litigation group, Trevor has assisted dozens of clients through difficult situations that often involve emotional family dynamics. Trevor is honored to defend legacies, whether of the client him or herself, or through a loved one after somebody has died. Trevor has assisted his clients in disputes involving estates that include the family home and multi-million dollar estates with complex and varied holdings. His work has included the following:

  • Defending a mother in her 80s who was grantor and trustee of her trust in a trust action pursued by her son making wrongful allegations against her.
  • Pursuing a civil claim on behalf of a client in his 90s against his child for his son wrongfully titling a property to a trust wherein the son was the beneficiary, as opposed to it being his client’s trust, as was promised.
  • Representing a trustee of a trust to uphold the terms of the trust and negotiating the resolution and final distribution of the trust with her brother, who was a beneficiary represented by an attorney.
  • Representing a beneficiary of a trust in pursuing relief and claims against a trustee.
  • Pursuing claims to have a trust, trust amendment, will, or will codicil declared void on the basis of lack of capacity or undue influence, particularly when elder financial abuse appears to have led to a drastic change to an estate plan.
  • Pursuing claims against a financial power of attorney or trustee for wrongful conversion of funds.
  • Representing an Estate through its Personal Representative in pursuing claims on behalf of a person who has died.

    Professional Associations & Affiliations

  • Continuing Legal Education Committee of State Bar of Wisconsin
  • State Bar of Wisconsin
  • American Bar Association
  • Milwaukee Young Lawyers Association
  • Milwaukee Bar Association

    Court Admissions

  • State Bar of Wisconsin
  • United States District Court for the Eastern District of Wisconsin
  • United States District Court for the Western District of Wisconsin
  • United States Court of Appeals for the Seventh Circuit

    Awards/Distinctions

  • Selected for inclusion on The Best Lawyers in America: Ones to Watch list, 2021–present
  • Selected for inclusion in Wisconsin Super Lawyers Rising Stars, Law & Politics and Milwaukee Magazine, 2020–present
  • Dean’s List, University of Wisconsin Law School
  • 1 of 24 attorneys selected by the State Bar of Wisconsin’s Leadership Development Committee to participate in the 2016 annual Leadership Development Summit
  • Judicial Intern for the Honorable John Albert, Dane County Circuit Court

    Articles/Presentations

  • Author, "Family Secures Large Settlement in Contentious Inheritance Dispute," website article (October 2, 2018)
  • Author, “A Family Matter: Protecting an Elderly Parent with Dementia from Financial Abuse,” website article (January 20, 2015)
  • Author, “Landlords take Action! Significant Changes in Wisconsin Landlord/Tenant Laws Came into Effect March 1, 2014,” website article (March 3, 2014)
  • Author, “Trial Courts Have the Ability to Declare a Marriage Void After the Death of One of the Parties to the Marriage,” State Bar of Wisconsin, Elder Law Journal of Wisconsin (September 3, 2013)

    Community Involvement

  • Member of the Young Professionals Board of the Boys & Girls Club of Greater Milwaukee
  • Volunteer, Boys & Girls Club of Greater Milwaukee (2013–present)
  • Volunteer, Milwaukee Justice Center (2013–present)
  • Volunteer, Project Street Youth, an organization dedicated to providing free legal assistance to homeless youth under the age of 25

    Education

  • University of Wisconsin Law School (J.D.)
  • University of Wisconsin–Eau Claire (B.A., magna cum laude)

Practice Areas Explained

Trevor Lippman's Areas of Practice

Each practice area below reflects the types of cases Trevor Lippman handles, with a brief overview of what that area of law covers.

Trusts

Trevor Lippman is one of 104,172 trusts attorneys indexed nationally. Browse trusts attorneys in Wisconsin →

Jurisdictional Context

Why local counsel matters in Wisconsin

Practicing law in Wisconsin. Legal matters in Wisconsin are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Milwaukee are typically filed in the local municipal court or the appropriate Wisconsin state district court, depending on subject matter and amount in controversy. An attorney licensed in Wisconsin brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Wisconsin courts without local counsel or pro hac vice admission.

Looking for additional Wisconsin attorneys? Browse all attorneys in Milwaukee or all attorneys in Wisconsin.

Frequently Asked

Common questions about Trevor Lippman

Where is Trevor Lippman's law office located?
Trevor Lippman's law practice is located in Milwaukee, Wisconsin. The firm is O'Neil, Cannon, Hollman, DeJong & Laing SC. You can contact the office directly through this profile page.
What practice areas does Trevor Lippman handle?
Trevor Lippman focuses on trusts. Each practice area listed reflects experience handling cases of that type in Wisconsin.
Where did Trevor Lippman go to law school?
Trevor Lippman earned their education at (—, 2013); (—).
How can I contact Trevor Lippman for a consultation?
You can contact Trevor Lippman directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Trevor Lippman received?
Trevor Lippman's notable recognition includes: Best Lawyers in America — Litigation - Trusts and Estates; Best Lawyers in America — Awards:; Best Lawyers in America — Selected for inclusion on The Best Lawyers in America: Ones to Watch list, 2021–2024; Best Lawyers in America — Selected for inclusion in 2020–2023 Wisconsin Super Lawyers Rising Stars, Law & Politics and Milwaukee Magazine; Best Lawyers in America — Dean’s List, University of Wisconsin Law School.

Education

University of Wisconsin–Madison
- 2013
University of Wisconsin–Eau Claire
- In Progress

Awards

Best Lawyers in America — Litigation - Trusts and Estates
- 2026
Best Lawyers in America — Awards:
- 2026
Best Lawyers in America — Selected for inclusion on The Best Lawyers in America: Ones to Watch list, 2021–2024
- 2026
Best Lawyers in America — Selected for inclusion in 2020–2023 Wisconsin Super Lawyers Rising Stars, Law & Politics and Milwaukee Magazine
- 2026
Best Lawyers in America — Dean’s List, University of Wisconsin Law School
- 2026
Best Lawyers in America — Judicial Intern for the Honorable John Albert, Dane County Circuit Court
- 2026

Bar Admissions

Wisconsin, Wisconsin State Bar

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