Kate Byers
Contact
- Telephone T: 416 860 6759
- Fax F: 416 360 8877
- Email E: kbyers@cassels.com
Areas of Expertise
Kate Byers is a partner in the Litigation Group at Cassels. Kate has a broad commercial litigation practice, with a focus on securities and franchise litigation and class actions. In her practice, Kate strives to bring a practical, results-oriented approach to achieve strategic resolutions to complex litigation.
Kate has acted for public and private corporations, directors and officers, shareholders, and investment funds in litigation arising from shareholder disputes, oppression claims, proxy fights, and class actions, including primary and secondary market liability claims and claims in systemic negligence. Kate regularly acts for franchisors in disputes arising out of provincial franchise legislation, including rescission claims. Kate has also acted in a wide range of commercial litigation matters involving contract disputes, real estate (including disputes over the early redemption or discharge of a mortgage), and the granting of extraordinary relief such as Mareva injunctions and Norwich orders.
Kate has appeared before every level of court in Ontario and before the Supreme Court of Canada. Kate also has significant arbitration experience before single and panel arbitrators.
Recent examples of Kate’s representative work include:
- Acting for public issuers and individual directors and officers in defending securities class actions involving allegations of misleading or inaccurate financial, operational, and technical disclosure
- Representing shareholders, directors and officers, and corporations in oppression and breach of contract proceedings
- Acting for franchisors in proceedings alleging rescission claims, other breaches of the Arthur Wishart Act (Franchise Disclosure), 2004, and breaches of franchise agreements, including pursuing injunctive relief in order to enforce restrictive covenants
- Enforcing guarantees of franchisee obligations under franchise agreements
- Acting for mining companies in litigation or arbitration arising out of the interpretation of a royalty or net profits interest agreement
- Investigating matters relating to allegations of corporate misconduct, including internal and external investigations
Kate is a frequent contributor to firm publications on franchise and securities litigation topics. She regularly volunteers for Pro Bono Law Ontario’s free legal advice hotline. She is a member of the Young Leaders Council, a philanthropic board sub-committee of The WoodGreen Foundation, which raises funds in support of WoodGreen Community Services Inc., one of Toronto’s largest social services agencies.
Representative Work
News
- Cassels Litigators Recognized Among the Best in the Country by Benchmark Litigation Canada 2026
- Cassels Lawyers Ranked Among Canada’s Best by Lexpert’s 2026 Directory
- Cassels Welcomes 11 New Partners in 2026
- Cassels Lawyers Appear Before the Supreme Court of Canada in Landmark Securities Litigation Matter
- Cassels Lawyers Recognized Among the Best in the Country by Best Lawyers: Ones to Watch 2025
Insights
- What is a “Material Change”? Guidance from the Supreme Court of Canada
- Cassels Academy 2025 (Cassels Webinar)
- Court’s Interpretation of “Material Adverse Change” Clause Results in Voting Restrictions Lifted for Simpson Oil
- No Hire? No Problem! British Columbia Court of Appeal Further Rejects Franchise-Related ‘No Poaching’ Class Action Against Tim Hortons
- What We’re Up To – Securities Litigation (Spring 2025)
Speaking Engagements
- Kate Byers and Lara Jackson Taking Part in “Markowich v Lundin: A View from Inside the Appeal” Program
- Kate Byers Looks at Protecting Franchisor Goodwill
- Kate Byers Co-Presenting at the OBA Annual Franchise Law Conference
- Derek Ronde and Kate Byers Presenting “The Great Escape – A Deep Dive into Franchise Disclosure Exemptions”
Achievements
- Benchmark Litigation (Future Star)
- Best Lawyers in Canada (Corporate & Commercial Litigation) (2026)
- Canadian Legal Lexpert Directory (Corporate/Commercial Litigation)
Education
- J.D., Dalhousie University
- B.A. (Hons.), Queen’s University
Year Of Call
- Ontario, 2015
Associations
- Ontario Bar Association
- The Advocates’ Society
- Women’s White Collar Defense Association
