Lionel Tupman, B.A., JD


Lionel is a Partner at Tupman & Bloom LLP.  His practice focuses on estate and trust, and civil litigation matters, including professional liability, breach of trust and administrative litigation with a particular focus on matters involving breaches of fiduciary obligations. Lionel regularly appears before all levels of Courts in Ontario including the Superior Court of Justice and Court of Appeal for Ontario.

Lionel has experience as counsel in a broad range of litigation matters, including personal injury, medical malpractice, commercial litigation and administrative judicial reviews.

Lionel is a frequent speaker and panelist at Continuing Professional Development seminars for lawyers and other professionals in Ontario and elsewhere.  In the past two years, Lionel has spoken at seminars hosted by the Law Society of Ontario, the Canadian Bar Association, the Ontario Bar Association, the Bar Association of Prince Edward Island, Osgoode Hall and the Quebec Bar Association.  Lionel also chairs many professional development events, and recently served as a co-chair of the Ontario Bar Association's "Essential Evidence for Estate Litigators" series.

In 2018, Lionel was ranked in the Canadian Lexpert Guide, and was named a "Leading Lawyer to Watch" in the field of Estate and Trust Litigation.

Lionel has served as a member of the Ontario Bar Association Trusts and Estates Executive since 2017, and was recently elected as Vice Chair of this group.  Lionel has also served as a member of the Ontario Bar Association Elder Law Executive since 2017, and was recently elected Vice Chair of this group.

Lionel was recently appointed a Member-at-Large of the Advocates' Society Estate and Trust Practice Group Executive.

Lionel is a former Member-at-Large of the Canadian Bar Association Elder Law Executive.

Lionel is Chair of Membership and Vice President of the University Club of Toronto.

In his spare time

Lionel was nominated as a candidate for provincial parliament in the Niagara Falls Riding in 2014, and he remains active in politics at the provincial and federal levels.  

Lionel is also a former professional bagpiper and saxophonist.  He continues to play music for charity events with his nearly all-lawyer blues band, "Oui B Jamon".

Lionel is the President of the Ontario Society of Phi Delta Phi Legal Honour Society.

Contact Information

Lionel can be reached by calling the firm's main telephone number or his direct line at 647-956-6430, or via email at