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Ari Rubin

Associate Lawyer
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Smiling man wearing a dark suit with a light gray tie, blue glasses, and a black kippah, standing against a dark gray background with hands in pockets.

Originally from the UK, Ari has been with the firm since 2020. He specializes in all forms of Family Law, Dispute Resolution, including Advocacy, as well as Local & International Arbitration and Mediation. Ari seeks to provide his clients with practical, cost effective and efficient advice, in a straight-talking, ‘no fluff’ manner. Ari has a history of negotiation, ranking top 5 in the 2020 Dentons Negotiation Cup and subsequently being asked to represent Osgoode internationally. He currently teaches at Osgoode Hall’s “Lawyer as Negotiator” as an instructor.

Ari’s wide-ranging practice includes Custody and Access, Division of Property, High Net Worth Family matters, Separation and Cohabitation Agreements and a wide range of Child Protection Cases. With a history in Psychology and Negotiation, Ari specializes in dealing with narcissists, and abusive and controlling ex-partners.

Additionally, Ari often deals with International issues, having litigated several Hague Abduction cases and often works with foreign lawyers on pre-nuptial and cohabitation agreements involving competing jurisdictions worldwide.

  • Superior Court family law decision obtained: Acted in a family law proceeding resulting in reasons and an order; (Arabi v. Al Sahnawi, 2021 ONSC 6124)
  • Ontario Court of Justice family matter determined: Appeared in an Ontario Court of Justice proceeding resulting in a written decision and order; (Fenton v. Charles, 2023 ONCJ 74)
  • Superior Court family law decision obtained: Represented a party in a Superior Court family law matter resulting in reasons and an order; (Hamdan v. Hamdan, 2024 ONSC 1564)
  • Contested family law issues addressed: Acted in a Superior Court family law proceeding addressing disputed issues between the parties; (Imorin v. Jegatheesparan, 2024 ONSC 4332)
  • Child protection proceeding addressed: Represented a party in a child protection matter involving Jewish Family and Child Service of Greater Toronto; (Jewish Family and Child Service of Greater Toronto v. Y.M.M., 2021 ONCJ 622)
  • Superior Court civil dispute addressed: Acted in a Superior Court proceeding addressing contested issues between the parties; (Merchant v. Amir Ali, 2024 ONSC 2522)
  • Superior Court decision obtained: Counsel in a Superior Court matter resulting in reasons and an order; (Grewal v. Singh, 2022 ONSC 221 (CanLII))
  • Bachelor of Arts from Reichman University, Herzliya, Israel in Psychology
  • Post-Graduate from York University, Toronto, ON in Psychology
  • Juris Doctor from Osgoode Hall Law School, Toronto, ON
  • Admitted to the Ontario Bar
  • Law Society of Ontario
  • An instructor at Osgoode Hall teaching “Lawyer as Negotiator”