Lori Duffy



Lori Duffy

* Partner through a professional corporation

Lori Duffy specializes in wills, trusts, estate planning and charities and heads the firm's Estates, Trusts and Charities practice.

She has been named by Best Lawyers as one of the best lawyers in Canada in her practice area, and repeatedly recognized as a leading practitioner in Estate & Personal Tax Planning in the Canadian Legal Lexpert Directory.

Lori assists the firm’s clients in managing and transferring their assets through the use of business succession plans, trusts and wills. She assists in the establishing of charities and non-profit organizations. Her practice also includes all areas of trusts, wills and estate administration, including work under the Substitute Decisions Act.

Lori is the Ontario Editor of the Estate & Trust Reports (Carswell). Lori also authors an electronic newsletter through Carswell publications called, WeirFoulds Estates & Trusts. Lori was co-editor of the Ontario Bar Association Trusts and Estates section newsletter Deadbeat and was the editor of Without Prejudice, the Women’s Law Association newsletter (1989-91). She is a member of the Society of Trust and Estate Practitioners (STEP). Lori is a Past President of the Canadian Association of Women Executives and Entrepreneurs; a former member of the Executive of the Women’s Law Association of Ontario; and the former Vice-Chairperson of the Real Property Section of the Ontario Bar Association. She has been a seminar instructor at the Bar Admission Course, has lectured in many seminars for the Canadian Bar Association, the Law Society of Upper Canada, the Canadian Institute, the International Bar Association, and regularly addresses community groups.

  • Repeatedly recognized by Best Lawyers in Canada as a leading lawyer in Trust and Estates
  • Repeatedly recognized in the Canadian Legal Lexpert Directory as a leading lawyer in Estate & Personal Tax Planning (Estate & Tax Planning)
  • Recognized with Lexpert Zenith Award, celebrating women leaders in the legal profession, 2013

Adjunct Professor, University of Toronto Law School, teaching the Wills and Estates law course

Called to the Bar
  • Ontario (1984)

  • LL.M., Osgoode Hall Law School, 2009
  • ADR Certificate of Achievement, University of Windsor/Stitt Feld Handy Group, 2009
  • LL.B., University of Ottawa, 1982
  • B.A., McMaster University, 1979
  • Estate Planning Council Of Toronto
  • Canadian Association of Women Executives and Entrepreneurs
  • National Association of Women Lawyers
  • Women's Law Association of Ontario
  • Ontario Bar Association
  • International Bar Association
  • Toronto Lawyers Association
  • Society of Trusts & Estates Practitioners (STEP)
  • The ADR Institute of Ontario Inc.

Community Involvement

Toronto Association for Community Living – Planned Giving Committee

Providence Healthcare Foundation – Planned Giving Committee

Women in Philanthropy for Providence (WIPP)

Corporate Directorship

Providence Healthcare Foundation

The Martin Family Initiative

Speaking Engagements

Panelist, "Serving the Family: Critical Insights on the Issues Impacting Families in Corporate, Estates and Family Law", OBA Institute Series, Online, February 3 and 4, 2021
Speaker, "Financial Security and Estate Planning: Planning for the Inevitable", Verity Investment Club, September 11, 2018
Panelist, Financial Empowerment of Women, Toronto, ON, March 8, 2018
Speaker, "Estate planning for Women and Singles with no children", Leave A Legacy Information Series, Toronto Reference Library, Toronto ON, July 13, 2017
Speaker, "Trusts in 2016-What do they look like?", 22nd East Region Solicitors Conference 2016, County of Carleton Law Association, May 13, 2016
"Brain Health: The Changing Brain and Healthy Aging", Planned Giving Committee of Providence Healthcare Foundation, May 11, 2016
"Spring Cleaning: Organizing Your Financial Closet", WeirFoulds LLP, May 10, 2016
"Power of Attorney for Personal Care and Property", Dotsa Bitove Wellness Academy, February 26, 2015.
"When Worlds Collide: The Interdisciplinary World of Estates Practice", OBA Institute, February 6, 2014.
"Electronic Conveyancing, Estates and Trusts", OBA "Hearth and Home-Here and Hereafter: Retirement Housing:, March 30, 2009.

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Legend: GeneralLitigationPropertyCorporateGovernment

Legend: GeneralLitigationPropertyCorporateGovernment