Jesse-Ross Cohen

Jesse-Ross Cohen

Associate, Litigation

Contact Information

tel: 416.862.6627



Jesse-Ross Cohen is a business litigator with a client-centred approach who is known for delivering practical advice. 

He relies on a broad-based experience, with particular focus on:

  • Corporate/Commercial litigation including complex contract disputes, shareholder disputes and director/officer liability.
  • Business law including as it relates to issues of corporate governance, employment, insolvency and fraudulent conveyances, anti-trust and real estate.
  • Statutory/Regulatory interpretation across multiple subject matters, including energy, environmental, privacy, data protection and cannabis.
  • Regulatory advocacy before administrative tribunals and specialized boards, including in the investigation and defence of statutory and professional charges. Jesse also works with developers and experts to craft permit applications.
  • Construction/Development litigation with respect to construction and development-related disputes.

Jesse has appeared before multiple levels of court, including as lead counsel. He is also well-versed in arbitration and other forms of alternative dispute resolution, facilitating efficient results for his clients.

  • Nieuport Aviation Infrastructure Partners

    Nieuport Aviation in obtaining a judgment of over $130 million against Porter Airlines in the case of Porter Airlines Inc. v. Nieuport Aviation

  • *Notable matters prior to joining Osler, Hoskin & Harcourt LLP

    • * A major construction company in its $18 million construction litigation dispute with a major potash producer and a leading engineering firm.
    • * A landowner charged under the Provincial Offences Act relating to land use charges. He acted as lead trial counsel in a 10+ day trial involving multiple experts.
    • * A large hedge fund in a dispute relating to the forced conversion of certain preferred shares.
    • * A local automotive group regarding a number of litigation, corporate and real estate matters.
    • * A large food and beverage company in the defence of multiple employment-related claims.
    • * A leading cryptocurrency exchange regarding the application of Canadian anti-money laundering laws.
    • * An insurance exchange in the defence of multiple energy/electricity-related claims.
    • * A Canadian federal regulator and an Ontario Crown Corporation regarding proposed legislative amendments in the energy/electricity space.
    • * An Ontario regulator regarding proposed regulations in the cannabis space.
    • * A major international general contractor in its dispute with an international mining conglomerate regarding enforcement of a $25 million arbitral award issued by an International Arbitral Panel.
    • * A leading real estate developer in responding to privacy-related proceedings before the Ontario Privacy Commissioner.
    • * The co-founder of a large entertainment company in a dispute with the other co-founder.
    • * Three individuals in responding to regulatory proceedings brought by their professional regulator.
    • * A leading e-commerce company in its dispute with an American competitor regarding competition law issues.
    • * Multiple industry leading corporations in their responses to merger reviews before the Competition Bureau of Canada.
    • * A large hospitality company in its response to a ransomware cyber-breach.
  • Find More

  • “Very Popular” author on in the following categories: Utilities; Not-for-profit (see here)

  • Pro Bono Ontario Canada, Helpline Volunteer
  • Law Practice Program, Advisor
  • Moot Coach (various)

  • Canadian Bar Association
  • Ontario Bar Association
  • The Advocates’ Society
  • Law Society of Ontario