Ziad Yehia

Founding Partner

After over 10 years working at Canada’s largest law firm in Ottawa and Toronto as a student, associate and Partner, Ziad decided to join forces with his friend and mentor Katherine Cooligan to start Cooligan Yehia LLP.

Trusts, estates, capacity and family law disputes often involve extremely personal matters. Ziad has a proven track record of securing the best possible results for his clients. He takes pride in the strong bonds he has forged with many former and current clients. Every case matters to him. No matter the issue at play, you can expect his full devotion and dedication to your file. Ziad’s experience extends across different court levels, including the Superior Court of Justice, Divisional Court, Court of Appeal for Ontario, and the Supreme Court of Canada. Ziad also has extensive experience resolving disputes through negotiation and mediation.

    • J.D (Cum Laude), University of Ottawa (2013)

    • B.A. (Summa Cum Laude), York University (2010)

    • Call to the Bar, Ontario (2014)

    • Member, Law Society of Ontario

    • Member, Ontario Bar Association

    • Selected by peers for inclusion in the 2024 edition of The Best Lawyers in Canada® (Trusts and Estates)

    • Trusts and estate disputes

    • Family law disputes

    • Drafting domestic contracts

    • Assisting estate trustee and executors in administering estates

    • Assisting trustees in administering trusts

    • Protecting the rights of beneficiaries

    • Assisting with the administration of intestate estates

    • Power of attorney disputes

    • Passing of accounts

    • Dependent relief claims

    • Guardianships for property and personal care

    • Custody and access / parenting disputes

    • Equalization claims

    • Breach of Trust

    • Unjust Enrichment

    • Acted for trust company in obtaining recognition of indemnity rights where interim appointment as guardian did not specify same: Mian v Akram, 2019 ONSC 1882

    • Acted for lawyer and law firm in obtaining stay of negligence proceedings, pending outcome of appeal to tax court of Canada: Kaye v Fogler Rubinoff LLP, 2019 ONSC 1289

    • Successfully represented Children’s Lawyer in appointment of an ETDL with broad investigatory powers, including successfully opposing motion for leave to appeal:

      • Superior Court of Justice: Cain v. Harnett, 2022 ONSC 5868

      • Costs endorsement in favour of Children’s Lawyer: Cain v. Harnett, 2023 ONSC 4124

      • Divisional Court dismissal: Cain v. Harnett, 2023 ONSC 1019

  • E: zyehia@cooliganyehia.com T: 289.815.5858