James D. Lamm

Jim Lamm is an estate planning and tax attorney. He focuses his practice on estate planning, tax planning, family business succession planning, probate and trust administration, and charitable giving. Jim works with executives, entrepreneurs, professional athletes, high-net-worth families, and family offices to achieve family goals, pass on family values, and plan for family businesses.

Jim plans and prepares foundational estate planning documents for families including wills, revocable trusts (living trusts), financial powers of attorney, health care directives (living wills), and beneficiary designations for life insurance and retirement plans. Jim also works with families and family business owners to plan and implement trusts for children or grandchildren, irrevocable life insurance trusts (ILITs), spousal lifetime access trusts (SLATs), grantor retained annuity trusts (GRATs), qualified personal residence trusts (QPRTs), intentionally-defective grantor trusts (IDGTs), dynasty trusts, installment sales, split-dollar life insurance agreements, private foundations, donor advised funds, charitable remainder trusts, charitable lead trusts, prenuptial agreements, family limited partnerships and limited liability companies, and buy-sell agreements.

Jim also works with families, family offices, and other professionals to help them through the probate and estate settlement process, as well as to administer trusts, prepare tax returns, and resolve trust, estate, and tax disputes.

Court Memberships

  • Minnesota
  • North Dakota
  • South Dakota
  • U.S. District Court for the District of Minnesota
  • U.S. Tax Court


  • Recognized as Leading Practitioner of Private Wealth Law by Chambers High Net Worth Guide, 2020
  • American College of Trust and Estate Counsel (ACTEC): Technology in the Practice Committee, chair; Artificial Intelligence Task Force, co-chair
  • The Best Lawyers in America©, 2010–2019
  • AV® Preeminent™ Peer Review Rated Attorney, Martindale-Hubbell
  • “Minnesota Super Lawyer®,” Thomson Reuters, 2013–2019
  • “Top Rated Lawyers™ in Trusts & Estates,” American Lawyer Media & Martindale-Hubbell, 2013
  • “Minnesota Rising Star®,” Thomson Reuters, 2004, 2006, 2009, 2011


Professional Affiliations

  • Hennepin County Bar Association, Probate and Trust Law Section, past cochair, 2011–2012; cochair, 2010–2011; vice cochair, 2009–2010; and program cochair, 2008–2009

Community Involvement

  • St. John’s University Planned Giving Committee, Member



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Photo of James D. Lamm
  • Minneapolis

    80 South Eighth Street
    500 IDS Center
    Minneapolis, MN 55402
F: 612.632.4404


Lisa Peterson Hall


University of Minnesota Law School, J.D., cum laude

St. John's University, B.A., summa cum laude, with all-college honors and distinction in the field of management