Kenneth Jull

Ken is a partner at Gardiner Roberts with a practice focused on risk management, compliance, and related litigation. From 2016 to 2018, he completed a two-year interchange with the Competition Bureau Legal Services in Ottawa, where he served as General Counsel, bringing valuable public-sector insight to his advisory work.

Ken conducts compliance reviews and litigates disputes with regulatory and compliance components across a wide range of industries. His practice includes compliance-focused due diligence in mergers and acquisitions and spans areas such as competition law, occupational health and safety law, environmental regulation, telecommunications, and broader regulatory standards. As part of his risk management work, Ken advises organizations on compliance frameworks built around a due diligence matrix informed by mathematical modelling and emerging behavioural research.

Ken is the co-author of Profiting From Risk Management and Compliance (Thomson Reuters, 2025), written with the Honourable Todd Archibald. A student edition of the text is used in courses Ken teaches at the University of Toronto Faculty of Law and at the graduate level at Osgoode Hall Law School, where he instructs on financial crimes and corporate compliance.

An experienced advocate, Ken has litigated matters at all levels of court, including the Supreme Court of Canada and Courts of Appeal, in areas such as constitutional and tax law, telecommunications, securities oppression, environmental offences, occupational health and safety offences, misleading and deceptive advertising, and civil and criminal fraud.

Expertise

Representative work

• G.N. Johnston Equipment Co. Ltd. v. A Director under the Occupational Health and Safety Act, et al., Decision of the Board 1 April 2026, OLRB Case No. 3401-25-HS
• Ontario (Ministry of Labour, Immigration, Training and Skills Development, “MOL”) v. The Econo- Rack Group Inc., 2025 CarswellOnt 5005, 2025 ONCJ 190 – (Counsel for Econo-Rack). Note that the MOL withdrew the charges on 10 October 2025
• Provenzano v. Central Lake Ontario Conservation Authority, 2025 ONSC 2930
• Provenzano v. Central Lake Ontario Conservation Authority, 2024 CarswellOnt 16606
• Baron et al v. Halton Region Conservation Authority, 2023 ONSC 5568
• Halton Region Conservation Authority v. Thomas, 2023 ONSC 5404
• Counsel for HSC Holdings Inc. re purchase from Mercedes-Benz Canada Inc. (4411 NAL 2022-01)
• Rudyk v. Halton Region Conservation Authority, 2022 ONSC 518 leave re: costs
• Halton Region Conservation Authority & Peter Thomas and Jean Thomas
• Halton Region Conservation Authority v. Thomas, 2021 ONCJ 293 injunction in in the Superior Court
• Rudyk and Young v. Halton Region Conservation Authority, 2021 ONSC 5692
• Acted as co-counsel in the Supreme Court of Canada concerning the constitutional validity of administrative monetary penalties, Guindon v Canada, 2015 SCC 41.
• Counsel for a major telecommunications company assisting with ongoing compliance programs relating to telecommunications
• Retained as part of a third-party team reporting to the Government of Canada with respect to potential application of debarment rules
• Counsel in an internal investigation for a Canadian company concerning potential fraud and design systems to mitigate risk
• Acted as counsel in a Superior Court Trial concerning commercial contracts and allegations of Securities Act oppression. The allegations for this part of the claim were dismissed.
• Canadian counsel in a global internal investigation concerning the Canadian Corruption of Foreign Public Officials Act. The scope of this investigation included extensive witness interviews and document review, working with law enforcement including the Royal Canadian Mounted Police, and review of compliance procedures and risk assessment
• Revised Codes of Conduct for various entities relating to compliance with the Corruption of Foreign Public Officials Act.
• Obtained an injunction preventing construction of a bridge in a floodplain on behalf of Halton Region Conservation Authority