Mitchell J. Rattner

Phone: 416.860.1711
Fax: 416.367.2502
Email: m.rattner@estatelitigation.net

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Mitchell practices in the areas of estate, trust, and mental incompetency litigation, and advises clients on matters of estate planning and administration.

Mitchell takes a compassionate and pragmatic approach in assisting his clients navigate the complexities of the legal system. Mitchell employs creativity to find prudent solutions for his clients, and strives to do so efficiently and economically. Just as clients appreciate Mitchell’s candour, Mitchell also employs a straightforward approach to negotiation, and in his courtroom advocacy. Mitchell regularly appears before the Ontario Superior Court of Justice, and has also appeared before the Ontario Court of Appeal.

Mitchell’s practice also involves working as preferred counsel for LawPRO on matters of professional negligence with respect to estate and trust issues.

Mitchell has been a member of the Executive Committee of the OBA Trusts and Estates Law section for several years, and is serving as Vice-Chair of the section for the 2025-2026 term.

Mitchell is the current editor of Estate Litigation, 2nd Edition, and has written several papers in the area of estate and guardianship litigation. Mitchell has chaired and spoken at professional engagements, community information sessions, and has guest lectured at Osgoode Hall Law School. Mitchell has been recognized as “One to Watch” in the Best Lawyers Magazine, and as a Top Lawyer in Toronto by Post
City Magazines.

Mitchell holds a J.D. from Osgoode Hall Law School, and a B.A. (distinction) from Queen’s University. He is a member of the Bar of Ontario.

Mitchell is also a Director of a community not-for-profit organization.

Mitchell is married to an academic, has two daughters, and enjoys spending time with his family, reading, playing piano, and travelling, and in particular, exploring the British countryside.

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