Angela is a fierce advocate for people affected by death and diminished mental capacity. Her professional peers voted to recognize her as one of Canada’s leading lawyers for estate litigation in Lexpert magazine. Her work has also been recognized by ‘Chambers and Partners’ and ‘Best Lawyers’. Her clients appreciate Angela’s ability to tell their story in a compelling way, and her “committed, supportive work” on their behalf.

Before law, Angela worked in a classroom assisting children with disabilities. This work inspired her to apply to law school with a dream of helping vulnerable people through legal advocacy. After law school, she spent 10 years at a large Bay Street firm learning courtroom techniques from some of Canada’s top advocates. While there, she was introduced to estate and mental capacity law and knew that she had found the right area of law to focus on. She spent another five years at a boutique firm specializing in estate and trust litigation before co-founding Casey & Moss LLP.

In 2019, Angela discovered a new passion when she attended Harvard’s “Mediating Disputes” course and learned powerful techniques aimed at helping people resolve their disputes through the mediation process. She has conducted both in-person and virtual mediations.

Her clients include trust companies, charities, government agencies, the Office of the Children’s Lawyer, individuals and families. She has handled hundreds of cases involving disputes over how to interpret wills, power of attorney abuse, mishandling of estate funds by executors, will challenges, claims by people left out of a will, and the rights of those affected by dementia.

When she is not at work, Angela can be found at the local hockey arena cheering for her son’s hockey team, watching her daughter swim and dance, sharing a beer at the local pub with her husband, running, and apologizing for her Golden Retriever’s behaviour at the dog park.

• LLB, Osgoode Hall Law School, 2001
• Called to the Ontario Bar October 2002
• Ontario Bar Association, Trusts and Estates section
• Canadian Bar Association
• Executive Member, Advocates’ Society, Estates Practice Group

• Presenter, “Your Comprehensive Guide to Section 3 Counsel under the Substitute Decisions Act”, October 26, 2020

• Presenter, Law Society of Ontario, Six Minute Lawyer, “Variation of Trusts”, May 12, 2020

• Panelist, Canadian Bar Association, “Advising the Attorney”, June 11, 2019

• Instructor, Osgoode Professional Development Centre, Estate Litigation intensive course, “The Validity of Wills”, May 14, 2019

• Participant, York University study, “Resolving Legal Capacity, Decision-making and Guardianship Disputes”, April 2019

• Panelist, Law Society of Ontario, “The Power of Attorney for Property and Personal Care 2019”, February 19, 2019

• Presenter, 21st Annual Estates and Trusts Summit – Day Two,“Estates and Trusts Case Law Update”, October 2018

• Author, “What You Need to Know about Varying a Trust”,

• Co-author (with Angelique Moss), “Passing of Accounts” in Key Developments in Estates and Trusts Law in Ontario, 2016 edition, Melanie Yach editor

• Speaker, 19th Annual Estates and Trusts Summit, November 2016 on “Dependant Support Applications”

• “Show Me the Money: Compensating Fiduciaries” – paper presented at “Critical Issues in Preparing and Passing Accounts”, Ontario Bar Association, December 7, 2016

• Presenter at “The Annotated Guardianship Application 2016”, The Law Society of Upper Canada, February 2016

• Author, “Passing of Accounts and Business Assets”, presented at “The Family Business: Litigation of Trusts and Estates Holding Business Assets”, Ontario Bar Association, September 29, 2015

• Author, “Litigating Estate Disputes with Multi-Jurisdictional Assets”, presented at “Litigation and Administration of Foreign Trusts and Assets”, Ontario Bar Association, April 9, 2015

• Author, “A Practical Guide to Capacity Assessments” January 2014

• Speaker, Annual Estates and Trusts Summit, November 2013, on the topic of “Solicitors Negligence Issues”

• Co-author, “Passing of Accounts” in Key Developments in Estates and Trusts Law in Ontario, 2013-2014 edition, Melanie Yach editor

• Co-author, “Recent Guardianship Cases – A Critical Analysis” in Key Developments in Estates and Trusts Law in Ontario, 2012 edition, Melanie Yach editor

• Speaker, “The Other Side of the Coin: Personal Care and the Estate Lawyer”, Ontario Bar Association, October 16, 2013

• Co-author, “Noteworthy Decisions in Passing of Accounts Applications” in Key Developments in Estates and Trusts Law in Ontario, 2011 edition, Melanie Yach editor

• Co-author, “Common Privilege Issues Faced by Estates Practitioners”, April 2011