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Class Actions Law

From programming and advocacy to peer recognition and relevant resources, OBA Section membership connects you with education, engagement and leadership opportunities to propel you to the forefront of your area of practice.

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Resources, Articles, & Advocacy

Article | July 13, 2026

The Emerging Role of Predominance in Ontario Class Actions: Pedersen V. Advanced Bionics LLC

A recent certification decision of the Ontario Superior Court of Justice, Pedersen v. Advanced Bionics LLC, provides important guidance on the predominance requirement introduced by the 2020 amendments to Ontario's Class Proceedings Act, 1992. The case is noteworthy because it is one of the first decisions to meaningfully apply the predominance requirement following Justice Perell's analysis in Banman v. Ontario, 2023 ONSC 6187. This article considers the Court's novel use of the predominance requirement as a case-management tool capable of shaping and rehabilitating proposed class actions.

Legislative Update | July 13, 2026

Your OBA LegUp Policy and Legislative Update Week of July 6

Ticket Resellers Untouched: Despite ticket resale platforms running afoul of Ontario’s new price cap law, the province has not fined any violations to date.

News | July 07, 2026

AI is Reshaping Legal Practice. Are You Ready?

Why Ontario lawyers are marking August 18 on their calendars.

Legislative Update | July 03, 2026

Your OBA LegUp Policy and Legislative Update Week of June 29

Tenant A/C Rules: An Ontario law came into effect this week explicitly allowing tenants to install window air conditioning units and portable units.

Legislative Update | June 26, 2026

Your OBA LegUp Policy and Legislative Update Week of June 22

Supreme Court Appointment: Prime Minister Carney announced the nomination of Chief Justice Glenn Joyal to the Supreme Court of Canada, praising his career as Chief Justice of Manitoba's Court of King's Bench and noting that he has "demonstrated the integrity, experience, and sound judgment that service on our highest court demands."

Court of Appeal for Ontario | June 22, 2026

Ontario Court of Appeal Portal Feedback

The Ontario Court of Appeal Public Portal has recently launched a new online public portal for parties and legal representatives

Legislative Update | June 19, 2026

Your OBA LegUp Policy and Legislative Update Week of June 15

New LSO Treasurer: The OBA congratulates Shalini Konanur, who was elected on June 17 as the Treasurer of the Law Society of Ontario for the 2026-27 term. She will take office at the June 25 Convocation. As Treasurer, Ms. Konanur is committed to advancing access to justice and removing barriers for the public and the professions.

Article | June 19, 2026

Court Awards Over $22 Million in Damages in Class Action Involving Widespread Surveillance Cameras in a Private Health Clinic

In J.C. et al. v. Jugenburg et al., 2026 ONSC 3061, the court found that a plastic surgeon breached his duties to patients and intruded on their privacy by installing surveillance cameras throughout his clinic. This is the first time a court has found that recording footage alone, even if it was not viewed or shared, can result in liability for the tort of intrusion upon seclusion. The court awarded $21.5 million in aggregate damages for the class of roughly 7,000 patients for intrusion upon seclusion, and $1 million in punitive damages.

Article | June 03, 2026

Why Where You Post Legal Career Opportunities Matters More Than Ever

In hiring lawyers, context, credibility, and connection can shape better outcomes for employers and candidates alike.

Superior Court of Justice | May 28, 2026

Attorney General Downey and Former Chief Justice Morawetz Statement on Civil Rules Review

In 2026 the Attorney General’s office will be moving forward with a series of practical improvements aimed at addressing barriers that contribute to delay, complexity, and cost. The bar will be provided with advance notice of any approved amendments prior to their coming into force.