Testimonials
“Margaret is a terrific strategist and technical advisor to significant families with international footprints.”
“Margaret provides cutting-edge advice.”
Chambers High Net Worth Guide 2024 – Canada, Band 1
“Margaret is very insightful and versed in all areas of the field.”
“Margaret has a great reputation and is very highly regarded in international estate work.”
“Margaret is incredibly professional and discreet, and clients are very happy with her service.”
“Margaret is seen as an industry leader.”
Chambers High Net Worth Guide 2023 – Canada, Band 1
Margaret O’Sullivan of O’Sullivan Estate Lawyers LLP is highly regarded as a go-to lawyer for cross-border matters, with one source noting: “She is a very technical skilled lawyer and she has got a tremendous amount of experience with multi-jurisdictional estates.”
A market insider remarks: “I think she is an outstanding estate lawyer, without a doubt one of the best in Canada. She has a huge amount of knowledge and technical expertise.
“She is fabulous with clients and has great cross-border abilities. She is really one of the leading estate lawyers in Canada.”
Chambers High Net Worth Guide 2023 – Canada, Band 1
Overview
Margaret’s practice involves all aspects of trust and estate work for domestic and international private clients, including estate planning; will and trust planning; incapacity planning; estate litigation; advising executors, trustees and beneficiaries and administration of estates and trusts, with a focus on high net worth domestic, cross border and multijurisdictional succession issues.
Margaret is recognized in The Best Lawyers in Canada 2024, Legal Week’s Private Client Global Elite 2024 representing the top 250 private client lawyers worldwide, in the 2024 Edition of The Canadian Legal Lexpert Directory as one of the most frequently recommended estate planning lawyers and as a thought leader, in The Who’s Who Legal: Private Client 2024 and in The Who’s Who Legal: Canada 2024.
She is one of nine top-ranked Band 1 private wealth client lawyers in Canada in Chambers High Net Worth 2024 Guide.
Her firm was selected as one of the “Top 10 Wills, Trusts and Estates Boutiques” by Canadian Lawyer Magazine for 2023-24.
She is the recipient of the 2014 Society of Trust and Estate Practitioners (STEP) Founder’s Award for Outstanding Achievement and the Ontario Bar Association’s 2013 Award of Excellence in Trusts and Estates Law.
Prior to establishing an independent practice, Margaret was a partner in the Toronto office of the national Canadian law firm Stikeman Elliott where she directed the firm’s trusts and estates practice.
She has practiced exclusively in the area of trusts and estates since her call to the bar in 1983.
Awards and Accolades
- Ranked as Band 1 leading private wealth lawyer in Chambers High Net Worth 2024 Guide – Canada
- Recognized in the 2024 Edition of The Canadian Legal Lexpert Directory Most Recommended Leading Practitioners in Estate Planning
- Recognized in The Best Lawyers in Canada 2024 in Trusts and Estates
- Member of Legal Week’s Private Client Global Elite 2024
- O’Sullivan Estate Lawyers LLP has been designated a Top 10 Wills, Trusts and Estates Boutique Law Firm for 2023-24 by Canadian Lawyer Magazine
- Winner of the Bronze category in the “Outstanding Individual of the Year” category at the 13th annual Citywealth Powerwomen Awards USA 2024. She was the only Canadian nominated for this award.
- Recognized in The Who’s Who Legal: Private Client 2024 as a thought leader.
- Recipient of the 2014 STEP Founder’s Award for Outstanding Achievement
- Recipient of the Ontario Bar Association’s 2013 Award of Excellence in Trusts and Estates Law
- Awarded “Volunteer of the Year” by the Society of Trust and Estate Practitioners (Canada) 2008
Professional Activities
- Academician of the International Academy of Estate and Trust Law
- Member, Private Client Global Elite
- Fellow, The American College of Trust and Estate Counsel (ACTEC)
- Member, Canadian Bar Association
- Member, American Bar Association
- Member, New York State Bar Association
- Member, International Bar Association
- Member, Canadian Tax Foundation
- Chair of Program Committee for STEP Global Congress, Vancouver, September 13-14, 2018
- Past Deputy Chair and past member, Board of Directors and Council for STEP Worldwide
- Past Chair, Professional Standards Committee, STEP Worldwide
- Past member, STEP Cross Border Estates Global Steering Committee
- Founding member and former Deputy Chair, Society of Trust and Estate Practitioners (Canada)
- Former Chair of the Editorial Board of its newsletter STEP INSIDE
- Past Chair, Trusts and Estates Section of the Ontario Bar Association
- Past elected member, Ontario Bar Association Council, 1993-1998
- Past Chair of the Queen’s University Gift Planning Advisory Committee
Presentations
Upcoming
- October 3, 2024
Margaret O’Sullivan will speak on the estate planning needs of women at the Women’s Financial Mastery Series hosted by Nicola Wealth in Toronto. She will speak and take questions on: marriage contracts and co-habitation agreements; wills and multiple wills; cross-border considerations; gifting to adult children; and family trusts. Private event. - October 6-8, 2024
O’Sullivan Estate Lawyers LLP is proud to be a Gold Sponsor of the inaugural STEP Canada-USA Cross-Border Conference in Chicago. The conference will feature 32 leading specialists discussing the latest trends and developments in cross-border estate planning and wealth management in Canada and the US. Enrolment is limited to 200 in-person attendees. - October 23 – 25, 2024
Margaret O’Sullivan will attend the Private Client Global Elite: Minds of the Future, The Cotswolds, U.K. Exploring future trends and directions in private client work including in the context of the global economy. - October 27-29, 2024
Margaret O’Sullivan will attend the Cambridge Forum for Senior Estates and Trusts Practitioners, Langdon Hall, Cambridge, Ontario (by invitation only). - November 13-16, 2024
Margaret O’Sullivan will attend the Private Client International Forum, Cernobbio, Italy. The signature annual conference, organized by Private Client Global Elite, for leading international private client lawyers from around the world discussing the most topical and pressing issues facing private clients through working sessions and panel discussions (by invitation only).
Recent
- Margaret O’Sullivan spoke at the Transcontinental Trusts Bermuda Conference, June 20-21, 2024.
- Margaret O’Sullivan chaired a panel session on cross-border incapacity issues at the International Academy of Trust and Estate Law (TIAETL) in Mayakoba, Mexico, May 19 – 23, 2024.
- The O’Sullivan Team presented a 1-hour webinar, “It’s Complicated: Estate Planning and Administration for the Modern Family,” on March 27, 2024, through London, U.K.-based legal publisher Mondaq.This webinar assisted in identifying key issues advisers and their clients need to know about including: cultural intelligence and multijurisdictional expertise; challenges of blended families; evolving definitions of “parent,” “child,” “issue,” and “spouse”; obstacles and conflicts when wills and trusts cross borders; and gender identity and fluidity and its impact on estate planning and drafting.Case studies were used to illustrate how these problems and issues arise and solutions to deal with them.To access the March 27, 2024 webinar recording, click here.To view the PowerPoint presentation for the March 27, 2024 webinar, click here.
- Margaret O’Sullivan spoke on “Modern Estate Planning for Modern Families” at the STEP Bermuda Annual Conference on November 27 – 29, 2023
- Margaret O’Sullivan attended the Private Client Forum hosted by Legal Week in Cernobbio, Italy on November 15 – 17, 2023.
- Margaret O’Sullivan attended the Private Client Exchange hosted by Legal Week in Vence, France on October 12-13, 2023.
- O’Sullivan Estate Lawyers LLP were pleased to be a Gold Sponsor of the Annual Conference of the Society of Trust and Estate Practitioners (STEP) Canada, held on June 19 and 20, 2023, in Toronto.
- Margaret O’Sullivan spoke on “Estate Planning for the Modern Family,” at the STEP Caribbean Conference, held in Panama City, Panama, May 11 – 13, 2023.
- The O’Sullivan Team hosted an international webinar for members of Mondaq, on “Navigating the Cross-Border Highway: A Roadmap for Canada-U.S. Estate Planning and Administration” on Thursday, March 23, 2023.
- Margaret O’Sullivan attended the Annual Meeting of the American College of Trust and Estate Counsel (ACTEC) in New Orleans, U.S., on March 2-4, 2023.
- Margaret O’Sullivan was a speaker on “An Update from Canada” on Canadian developments in estate planning for private clients and family offices at the STEP Cayman Conference – International Wealth Structuring Forum, Grand Cayman, on January 19-20, 2023.
- Margaret O’Sullivan participated in a panel discussion on a virtual webinar focused on “How are lawyers evolving their estate practices to deliver results?” Topics covered during the webinar included: meeting evolving client needs and innovation beyond people, process and technology. This event was part of the Canadian Legal Innovation Forum Fall Webinar Series on November 8, 2022.
- Margaret O’Sullivan led a session, organized by the Cambridge Forum, that explored challenging issues around family trusts. The session was be held at Langdon Hall in Cambridge, Ontario, October 23 – 25, 2022.
- Margaret was on an international panel to discuss the issues and challenges that families regularly face in appointing an executor of a cross-border estate and address the significance of adequate estate planning. Hosted by STEP’s Cross-Border Special Interest Group, on September 27, 2022.
- Margaret spoke on the topic“The Cross-Border Advisor: Globalization, Populism and Backlash,” at the STEP Global Congress in London, England, July 6 to 8, 2022.
- Margaret was invited to be both a Member of the Advisory Board and a Presenter at the Private Client Forum Americas, in Mayakoba, Mexico, July 13 to 15, 2022.
- Margaret with the O’Sullivan Team hosted a webinar for readers of international legal publication Mondaq, on the topic “It’s Complicated: Solutions for Planning and Administering an Estate with Foreign Connections” on March 24, 2022.
- Margaret was a speaker at “A Conversation with Experienced Estate Planners,” hosted by the Ontario Bar Association (OBA) on January 18, 2022.
- Margaret spoke on “Cross-Border Estate Planning Considerations, at the “Institute Across Borders: Legal Issues and Best Practices for Ontario Lawyers Around the World,” organized by the Ontario Bar Association (OBA) on November 9, 2021.
- Margaret presented “Powers of Attorney: The Hurdles Associated With the Practical Use of a Power of Attorney in Today’s World” on the topic of “Cross-Border Recognition of Powers of Attorney” at the Elder Law Online Symposium, organized by the Canadian Bar Association (CBA), on September 24, 2021.
- Margaret designed and moderated an international webinar, titled “Civil Law and Common Law: A Comparison of Estate Administration on Death,” on Wednesday, June 2, 2021. This event was hosted by the Cross-Border Special Interest Group of the Society of Trust and Estate Practitioners (STEP) Worldwide.
- Margaret spoke at the International Estate Planning Committee meeting, the American College of Trust and Estate Counsel (ACTEC) Annual Meeting on March 2, 2021, on taxation on death in Canada and inheritance and wealth taxes.
- Margaret spoke at the Global Elite panel on February 10th, 2021. The panel discussed the pandemic’s impact on the perception of wealth, and shone a spotlight on the topic of a wealth tax (or its lack thereof) across several jurisdictions. Margaret was representing Canada; other panelists were from UK, Italy, Spain, and Switzerland.
- Margaret and the O’Sullivan team hosted a webinar, “Using Multijurisdictional Wills and Powers of Attorney,” on January 20, 2021, in conjunction with Chambers and Partners. Registrants spanned 43 countries around the world.
- Margaret spoke on a panel of senior trust and estate practitioners at the OBA Trusts and Estates Section Program on topical issues in estate planning on January 14, 2021.
- “A Comparative Review of the Use of Will Substitutes.” Margaret moderated this session which included panelists Lionel Smith, law professor at McGill University (expert in common law, estate planning and trusts), and Dr. Gregor Christandl, LL.M. (Yale), associate professor at the University of Innsbruck (expert in civil law and estate planning) on December 1, 2020. The live webcast was part of STEP (Society of Trust and Estate Practitioners) Worldwide Spotlight Sessions.
- Margaret spoke on the topic of wealth taxes for a presentation by Queen’s University Alumni, on November 24, 2020.
- “Incapacity at Home and Abroad: Jurisdictional Challenges” – Margaret O’Sullivan was one of three panelists who explored the challenges that can arise from the perspective of both civil-law jurisdictions, such as France, Portugal, and Mexico, and common-law jurisdictions, such as Florida, California, and Arizona, on October 27, 2020.
- Margaret and the O’Sullivan team of estate lawyers hosted a webinar, “Planning and Administering an Estate with Foreign Connections,” in conjunction with Key Media, publishers of Canadian Lawyer magazine and The Law Times, on September 23, 2020.
- Margaret attended the American College of Trust and Estate Counsel Annual Meeting in Boca Raton, Florida on March 4-8, 2020.
- Margaret was a member of the Global Legal Week Private Client Forum Americas Advisory Board that organized the Forum held in Riviera Maya, Mexico on February 5-7, 2020. She spoke on the issue of death taxes and wealth taxes.
- Margaret helped organize and spoke at the STEP Cross-Border Estates program “Multiple Taxation on Death”, London, U.K. on November 22, 2019.
- Speaker, OBA Trusts & Estates Section Program on November 11, 2019 on a panel of senior estate planning lawyers to discuss best practices in the area of estate planning.
- O’Sullivan Estate Lawyers hosted a webinar on the topic “Protecting a Child’s Inheritance,” October 24, 2019.
- Attended the annual conference of the International Academy of Estate and Trust Law, May 20-23, 2019, Tokyo, Japan.
- Speaker, “Recent Canadian Estate Planning Developments,” STEP International Tax and Estate Planning Forum: Around the Globe, Laguna Beach, CA May 9 and 10, 2019.
- Speaker, “Canadian Estate Planning Developments,” Global Legal Week Private Client Forum Americas 2019, Newport Beach, CA March 27-29.
- Presenter to Faculty Leadership on “Gift Planning on Death,” Queen’s University, Kingston, January 28, 2019.
- Attended Senior Trust and Estate Practitioners Forum October 14-16, 2018.
- Presenter, Wills & Estates Planning Seminar, Pal Insurance, October 11, 2018.
- Chair, Program Committee, STEP Global Congress, Vancouver, September 13-14, 2018.
- Speaker, Conflict of Laws, STEP Annual Conference, Toronto, May 28-29, 2018.
- Speaker, Contingency Planning on Death, BloombergSen Women’s event, May 1, 2018.
- Speaker, Key Estate Planning Issues, Georgian Triangle Lifelong Learning, Collingwood, April 20, 2018.
- Attended American College of Trust and Estate Counsel Annual Meeting, San Antonio, Texas, March 8 – 11, 2018.
- Co-chair and presenter, STEP Cross-Border Estates- Mental & Incapacity Session, London, U.K., November 30, 2017.
- Presenter, Estate Planning Breakfast Workshop, Pal Insurance, November 14, 2017.
- Attended American College of Trust and Estate Counsel Fall Meeting, Nashville, October 12-22, 2017.
- Presenter, Cidel Provence Estate Planning Conference, September 2017.
- Speaker, “Discretionary Trusts – Practical Concerns”, STEP Canada 19th National Conference, Toronto, June 12 -13, 2017.
- Presenter, Canada-U.S. Cross Border Estate Planning Issues, National Bank, Toronto, June 7, 2017.
- Speaker, “Estate Planning for Global Families”, STEP Toronto, April 12, 2017.
- Speaker, Technologic: Technological Liberation and the Transparency of Trust”, Mayan Riviera, Mexico, February 15-17, 2017.
- Presenter, Gluskin Sheff + Associates Inc., Private Client Lunch Seminar, February 9, 2017.
- 2016 CBA Wills, Estates and Trusts Fundamentals for Estate Practitioners program, “Conflicts of Laws”, Toronto, October 26, 2016.
- Canadian Tax Foundation, 2016 Ontario Tax Conference, Co-Presenter: “Multijurisdictional Estate Planning”, Toronto, October 25, 2016.
- Law Society of Ontario Practice Gems: The Administration of Estates program, Presenter: “Issues Arising Where There Are Foreign Beneficiaries or Legal Representatives of an Estate”, Toronto, September 20, 2016.
- 2016 STEP National Conference, Panel Presentation: “The Impact of the European Regulation on Succession in Canada”, Toronto, June 10, 2016.
- CBA Wills, Estates and Trusts Fundamentals for Estate Practitioners program, “Conflict of Laws,” Toronto, October 15-18, 2015.
- 2015 Cidel Provence Conference, “Multijurisdictional Incapacity and Will Planning for the Mobile Client,” Provence, France. September 2015.
- OBA Litigation and Administration of Foreign Trusts and Assets program, “Critical Guidance for the Planning and Administration of Foreign Assets,” Toronto, April 9, 2015.
- Estate Planning & Litigation Forum, “Losing Your Marbles at Home and Abroad: Mental Incapacity and Multijurisdictional Planning,” Langdon Hall, Cambridge, Ontario, April 28, 2015.
- STEP Journal, Book Review of John Poyser’s Capacity and Undue Influence, March 2015.
- Private Client Forum Americas 2015, “War Within: Mental Incapacity and Cross-Border Planning for Assets in Multiple Jurisdictions” (Panel Discussion), Papagayo Bay, Costa Rica, February 4-6, 2015.
- Knowledge Bureau Workshop, “Attorney School: Handling Financial Affairs for a Loved One,” Toronto, November 29, 2014.
- STEP Global Congress 2014, “Multijurisdictional assets — challenges for estate planning and dealing with mental incapacity,” Miami, Florida, November 6 & 7, 2014.
Publications
2024
- LAW360, Wills, Trusts & Estates, “Wealth advising for the future: The new paradigm,” on June 13, 2024.
- LAW360, Wills, Trusts & Estates, “Clutter: How to remove it and organize your affairs,” on June 11, 2024.
- Fund Library, “Financial spring cleaning: The eight-step method to de-cluttering,” on May 10, 2024.
- Fund Library, “U.S. estate tax lifetime exclusion amount set to drop,” on March 16, 2024.
- LAW360, Wills, Trusts & Estates, “Jan. 1, 2026: U.S. estate tax heading toward a cliff,” on March 12, 2024. This article was originally published by LAW360, part of LexisNexis Canada.
2023
- LAW360, “Reflections and Predictions on 25 years of estate law,” May 5, 2023. This article was originally published by LAW360, part of LexisNexis Canada Inc.
- LAW360, “Update on U.S. estate tax: lull before storm,” March 16, 2023. This article was originally published by LAW360, part of LexisNexis Canada Inc.
- LAW360, “Pandemic’s impact on trusts and estates: The way head,” January 13, 2023. This article was originally published by LAW360, part of LexisNexis Canada Inc.
2022
- LAW360, “For modern families, modern estate planning,” November 23, 2022. This article was originally published by LAW360, part of LexisNexis Canada Inc.
- The Lawyer’s Daily, Wills, Trusts & Estates, “Inheritance tax: The challenges of wealth and income inequality” on September 27, 2022. This article was originally published by The Lawyer’s Daily (ca), part of LexisNexis Canada Inc.
- The Lawyer’s Daily, Wills, Trusts & Estates, “Applying the law to multijurisdictional jigsaw puzzle,” on July 22, 2022. This article was originally published by The Lawyer’s Daily (ca), part of LexisNexis Canada Inc.
- The Lawyer’s Daily, Wills, Trusts & Estates, “Personal care: Guidelines for estate attorneys,” on June 15, 2022. This article was originally published by The Lawyer’s Daily (ca), part of LexisNexis Canada Inc.
- The Lawyer’s Daily, Wills, Trusts & Estates, “With interest rates low, consider a family trust,” on April 6, 2022. This article was originally published by The Lawyer’s Daily (ca), part of LexisNexis Canada Inc.
- The Lawyer’s Daily, Wills, Trusts & Estates, “U.S. estate and gift tax: Proposals galore,” on February 14, 2022. This article was published by The Lawyer’s Daily (thelawyersdaily.ca), part of LexisNexis Canada Inc.
- Canada Chapter – “Private Wealth and Private Client Review 2021” – Margaret O’Sullivan has contributed the Canada Chapter for “Private Wealth and Private Client Review” for more than nine years.
2021
- Co-author of Canada Chapter for “International Succession Laws.”
- Author of Canada Chapter for “Practical Law—Private Client Global Guide.”
- Co-author of Canada Chapter for Mondaq, “Private Client Comparative Guide,” August 31, 2021.
- “The Importance of Integrity When Providing Trust and Estate Advice,” The Lawyer’s Daily, August 11, 2021.
- “Will We Meet Again? The Zoom Boom,” The Lawyer’s Daily, June 18, 2021.
- “Fiduciary Crash Course: 5 Estate Law Dos and Don’ts,” The Lawyer’s Daily, April 22, 2021.
- “Will Canada Have a Wealth Tax?” STEP Toronto Connection, the newsletter of the Society of Trust and Estate Practitioners, Toronto Chapter, January 2021. [See pages 9 to 11 of the URL for Margaret’s article.]
- Canada Chapter – “Private Wealth and Private Client Review 2020” – Margaret O’Sullivan has contributed the Canada Chapter for “Private Wealth and Private Client Review” for more than eight years.
2020
- The Lawyer’s Daily, Wills, Trusts & Estates “Choosing an executor: Who’s in charge?” on October 7, 2020. This article was originally published by The Lawyer’s Daily (thelawyersdaily.ca), part of LexisNexis Canada Inc.
- The Lawyer’s Daily, Wills, Trusts & Estates “Owning international real estate can result in multiple taxation on death,” on July 28, 2020. This article was originally published by The Lawyer’s Daily (thelawyersdaily.ca), part of LexisNexis Canada Inc.
- Margaret O’Sullivan, “Key Succession Issues for the Multi-jurisdictional Estates,” on September 1, 2020.
[A checklist] - “Owing International Real Estate Can Result in Multiple Taxation on Death,” The Lawyer’s Daily, July 28, 2020.
- The Lawyer’s Daily, Wills, Trusts & Estates“Powers of attorney for mobile clients: International protection of adults,” on April 15, 2020. This article was originally published by The Lawyer’s Daily (thelawyersdaily.ca), part of LexisNexis Canada Inc.
- The Lawyer’s Daily, Wills, Trusts & Estates“Powers of attorney for mobile clients: Other jurisdictions and Ontario,” on March 11, 2020. This article was originally published by The Lawyer’s Daily (thelawyersdaily.ca), part of LexisNexis Canada Inc.
- The Lawyer’s Daily, Wills, Trusts & Estates“Powers of attorney for mobile clients: Multijurisdictional incapacity planning,” on March 5, 2020. This article was originally published by The Lawyer’s Daily (thelawyersdaily.ca), part of LexisNexis Canada Inc.
- The Lawyer’s Daily, Wills, Trusts & Estates“Powers of attorney for mobile clients: Separate situs,” on February 27, 2020. This article was originally published by The Lawyer’s Daily (thelawyersdaily.ca), part of LexisNexis Canada Inc.
2019
- STEP Journal, ‘The Psychology of Wealth’, October 2019.
- The Lawyer’s Daily, Wills, Trusts & Estates “Powers of attorney and advanced care planning: Assisted dying,”on October 3, 2019. This article was originally published by The Lawyer’s Daily (thelawyersdaily.ca), part of LexisNexis Canada Inc.
- The Lawyer’s Daily, Wills, Trusts & Estates “Powers of attorney and advanced care planning: Wish list,”on September 25, 2019. This article was originally published by The Lawyer’s Daily (thelawyersdaily.ca), part of LexisNexis Canada Inc.
- Co-author, The Private Wealth & Private Client Review, 8th Edition, Chapter: “Canada”
(Law Business Research, September 2019). - The Lawyer’s Daily, Wills, Trusts & Estates “Powers of attorney and advanced care planning: Wishes and directives”on September 4, 2019. This article was originally published by The Lawyer’s Daily (thelawyersdaily.ca), part of LexisNexis Canada Inc.
- Practical Law Global Guide: Private Client, “Private Client Law in Canada: Overview”, Thomson Reuters (updated August 2019)
- Practical Law Global Guide: Private Client, “Key Considerations in Multijurisdictional and Separate Situs Will Planning”, Thomson Reuters (updated August 2019).
- Lawyer’s Daily, Wills, Trusts & Estates “Powers of attorney and advanced care planning: Substitute decision making”on August 20, 2019. This article was originally published by The Lawyer’s Daily (thelawyersdaily.ca), part of LexisNexis Canada Inc.
- The Lawyer’s Daily, Wills, Trusts & Estates “Powers of attorney and advanced care planning: Personal care”on August 12, 2019. This article was originally published by The Lawyer’s Daily (thelawyersdaily.ca), part of LexisNexis Canada Inc.
- Lawyer’s Daily, Wills, Trusts & Estates “Powers of attorney and advanced care planning: Revocation and alternatives”on August 6, 2019. This article was originally published by The Lawyer’s Daily (thelawyersdaily.ca), part of LexisNexis Canada Inc.
- The Lawyer’s Daily, Wills, Trusts & Estates“Powers of attorney and advanced care planning: Property” on July 31, 2019. This article was originally published by The Lawyer’s Daily (thelawyersdaily.ca), part of LexisNexis Canada Inc.
- The Lawyer’s Daily, Wills, Trusts & Estates“Powers of attorney and advanced care planning: Disability” on July 24, 2019. This article was originally published by The Lawyer’s Daily (thelawyersdaily.ca), part of LexisNexis Canada Inc.
- Margaret O’Sullivan,“Age is only a number” STEP Journal (Vol28 Iss5), June 2019.
- The Lawyer’s Daily, Wills, Trusts & Estates“Non-resident executors: From ancillary grants to foreign trusts” May 27, 2019. This article was originally published by The Lawyer’s Daily (thelawyersdaily.ca), part of LexisNexis Canada Inc.
- The Lawyer’s Daily, Wills, Trusts & Estates“Non-resident executors and legal reps in estate law” on May 16, 2019. This article was originally published by The Lawyer’s Daily (thelawyersdaily.ca), part of LexisNexis Canada Inc.
- The Lawyer’s Daily, Wills, Trusts & Estates“Foreign beneficiaries: From multiple taxation to transfer of interests” May 8, 2019. This article was originally published by The Lawyer’s Daily (thelawyersdaily.ca), part of LexisNexis Canada Inc.
- The Lawyer’s Daily, Wills, Trusts & Estates“Foreign beneficiaries: It’s complicated” April 29, 2019.This article was originally published by The Lawyer’s Daily (thelawyersdaily.ca), part of LexisNexis Canada Inc.
- Margaret O’Sullivan, “Privacy v Transparency”, STEP Journal (Vol27 Iss3), p.26, April 2019.
- The Globe and Mail“When kids squander money, parents are squarely to blame” published on
January 14, 2019.
2018
- The Law Times “Update on the European Succession Regulation – What Every Canadian with EU Connections Needs to Know”, October 22, 2018.
- STEP Journal, “Equity and equality are not the same thing,” October 2018.
- Co-author “The Private Wealth & Private Client Review,” 7th Edition, Chapter: Canada”
(Law Business Research, September 2018). - The Lawyer’s Daily, Wills, Trusts & Estates “Cross-border estate administration: The U.S.-Ontario mix” September 24, 2018. This article was originally published by The Lawyer’s Daily (thelawyersdaily.ca), part of LexisNexis Canada Inc.
- The Lawyer’s Daily, Wills, Trusts & Estates “Cross-border estate administration:The two-country connection,” September 11, 2018 This article was originally published by The Lawyer’s Daily (thelawyersdaily.ca), part of LexisNexis Canada Inc.
- The Lawyer’s Daily, Wills, Trusts & Estates “Cross-border estate administration: U.S. beneficiaries”
August 28, 2018. - The Lawyer’s Daily, Wills, Trusts & Estates “Cross-border estate administration: It’s complicated,”
August 15, 2018. This article was originally published by The Lawyer’s Daily (thelawyersdaily.ca), part of LexisNexis Canada Inc. - The Lawyer’s Daily, Wills, Trusts & Estates “Planning for succession of a cottage or vacation home: Matrimonial issues,” June 13, 2018.
- The Lawyer’s Daily, Wills, Trusts & Estates “Planning for succession of a cottage or vacation home: Consider the taxes,” June 4, 2018.
- The Lawyer’s Daily, Wills, Trusts & Estates “Planning for succession of a cottage or vacation home: Getting personal,” May 28, 2018.
- STEP Journal, “Put the ‘success’ back into succession,” May 2018.
- Morningstar “Estate planning and charities: Know your options,” May 14, 2018.
2017
- “Key Considerations in Multijurisdictional and Separate Situs Will Planning” Private Client Global Guide 2017.
- “Private Client Law in Canada: Overview” Private Client Global Guide 2017.
- The International Comparative Legal Guide to: Private Client 2018 (7th Edition), Chapter 4: “Best Interest – Conflict of Interest: The Fiduciary Rule and Financial Advisory and Financial Planning Services”
Global Legal Group, December 2017. - Co-author, The Private Wealth & Private Client Review, 6th edition, chapter 12: “Canada”
(Law Business Research, November 2017). - STEP Journal, Money Talks, October 2017.
- Best interests or conflict of interest?June 2017.
- The Law Times (Family Law and Trust Law focus), “Confidentiality Matters: Thoughts on Death and Privacy” February 27, 2017.
2016
- The International Comparative Legal Guide to: Private Client 2017(6th Edition), Chapter 4:
“Special Issues Arising for Estates with Foreign Beneficiaries or Legal Representatives,”
Global Legal Group, December 2016. - STEP Journal, Volume 24/issue 9, Confidential Matters, November 2016.
- Practical Law Global Guide: Private Client (online), “Private client law in Canada: Overview,”
Thomson Reuters (updated November 2016). - Practical Law Global Guide: Private Client (online), “Key Considerations in Multijurisdictional and Separate Situs Will Planning,” Thomson Reuters (updated November 2016).
- “The Private Wealth & Private Client Review, 5th edition, chapter: Canada”
(Law Business Research, October 2016). - The Law Times (Family Law and Trust Law focus), “Family Law and the Treatment of Discretionary Trust Interests on Marital Breakdown,” February 22, 2016.
2015
- The International Comparative Legal Guide to: Private Client 2016(5th Edition), Chapter 4:
“The European Union Succession Regulation Now in Effect – How it Impacts Planning,”
Global Legal Group, December 2015. - Estates, Trusts & Pensions Journal, “Conflict of Laws Issues in Drafting and Using Powers of Attorney for the Mobile Client,” volume 35, December 2015.
- The Law Times (Estates & Trust Law focus),“How New EU Rules for Cross-Border Succession Apply to Canadians,” October 26, 2015.
- “The Private Wealth & Private Client Review, 4th edition, chapter: Canada” (Law Business Research, October 2015).
- Book Review: The International Protection of Adults,eds R. Frimston et al., STEP TQR: Volume 13/Issue 3, 2015.
2014
- The International Comparative Legal Guide to: Private Client 2015 (4th Edition), Chapter 4: “When Trust Law Meets Family Law: A Comparative Review of Discretionary Trusts and Marital Property Division,” Global Legal Group, December 2014.
- “The Private Wealth & Private Client Review, 3rd edition, chapter: Canada”
(Law Business Research, October 2014).
Advisor.ca
- Margaret has been an expert columnist for Advisor.ca and Advisor’s Edge magazine since 2011.
You may read her columns here.