Lawyer Profile Detail

Kosta Kalogiros








Osgoode Hall Law School


Ontario, 2011


Kosta Kalogiros is an associate in our Litigation Group in Toronto. He maintains a broad litigation practice, with experience in, among other things, general corporate/commercial litigation, shareholder rights disputes, estate litigation, professional negligence (including broker/investment liability and medical negligence), commercial tenancies, and environmental nuisance and approval matters.

Mr. Kalogiros’ experience includes providing real time strategic litigation risk management advice on varying legal and regulatory matters, including landlord and tenant relations and on the renewable energy approval processes.

Mr. Kalogiros has appeared before all levels of the Ontario courts. He has also appeared before administrative bodies, including the College of Physicians and Surgeons, the Health Professionals Appeal and Review Board, and the College of Physiotherapists.

Mr. Kalogiros has also served as a member of the teaching team for "Lawyers as Negotiator" at Osgoode Hall Law School.  

Mr. Kalogiros received his JD from Osgoode Hall Law School in 2010 where he graduated in the top five percent of his class. During his time at Osgoode Hall he was also awarded the Gurston Allen Prize in Conflict of Laws, the Cassels, Brock & Blackwell LLP Centennial Prize in Lawyering Skills, the Sir Jack Jacob Award in the Administration of Justice, the Scotiabank Group Prize in the Law of Estates, the WeirFoulds LLP Prize in Administrative Law, the Matthew Wilson Memorial Prize and the Stephen George Leggett, Q.C. Memorial Entrance Scholarship.

Mr. Kalogiros was called to the Ontario Bar in 2011.  He is a member of the Law Society of Upper Canada, the Hellenic Canadian Lawyers’ Association (where he also serves as Director), the Advocates’ Society, the Canadian Bar Association, and the Ontario Bar Association.


  • Allen v. Aspen Group Resources Corporation, 2012 ONSC 3498
  • 2156384 Ontario Inc. v. C&K Property Management Inc., 2012 ONSC 6759
  • Kara vs. Arnold, 2014 ONSC 2647, 2015 ONCA 871
  • Fram Elgin Mills 90 Inc. v. Romandale Farms Limited, 2015 ONSC 7308

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