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Class Actions

Navigating complex class action lawsuits with confidence 

Class action lawsuits can pose significant legal and financial challenges for businesses, often spanning multiple jurisdictions and extending over lengthy periods. At Miller Thomson, our experienced class actions lawyers are here to guide you through these complex cases and vigorously defend your interests. 

Strategic defense every step of the way 

When your company faces class action litigation, prompt and strategic action is essential. Our team takes decisive steps from the pre-certification stage, often achieving successful resolutions before trial. We understand the importance of crisis and reputation management, and we work tirelessly to protect your business throughout the process. 

National coverage, integrated approach 

With 10 offices across Canada, our team takes a nationally integrated and collaborative approach to defending multijurisdictional or national class actions. We have a deep understanding of precedents across Canada and the United States, coupled with decades of collective experience in both common law and civil law jurisdictions. 

Industry expertise 

Our team has successfully represented a wide range of defendants from various industries, including construction, airline, energy, pharmaceuticals, digital currency, banking, securities, and electronics. We also represent government entities and non-profits in class action proceedings. 

Comprehensive legal support 

We provide defence across a broad range of substantive areas, including:

Commercial, corporate & regulatory

  • Corporate
  • Shareholder disputes
  • Franchise disputes
  • P3-related disputes
  • Competition / Antitrust
  • Consumer protection
  • Securities
  • Financial products and services

Liability, insurance & professional claims

  • Product liability
  • Negligence
  • Professional liability
  • Professional negligence
  • Insurance coverage and coverage defence
  • Medical malpractice
  • Health care

Specialized claims

  • Mass torts
  • Pharmaceutical
  • Sexual abuse
  • Historical abuse

Privacy, environmental & technology

  • Privacy and data breaches
  • Environmental
  • Intellectual property (copyright, patents and trademarks)
  • Telecommunications

Efficient and transparent service 

Our well-coordinated team is dedicated to meeting your needs throughout the process. With our efficient Legal Project Management (LPM) system, we ensure your case is well-organized, properly resourced, and that communications are regular, timely, and transparent. 

Notable matters

One strength of our national class action team is our ability to defend claims across all substantive areas. Throughout their distinguished careers, our lawyers have been involved in a vast array of class action mandates, some of which are mentioned below:

  • Represented a medical clinic in a class action arising from allegations of abuse of patients.
  • Represented a co-defendant in the Mount Real class action concerning an alleged Ponzi-type financial fraud involving the sale of promissory notes to retail investors.
  • Represented the excess insurers of a major engineering firm in class action proceedings concerning widespread pyrrhotite-related damage to residential properties in the Trois-Rivières region.
  • Represented a leading digital platform in cross-border class action litigation alleging civil liability arising from online activities.
  • Represented a leading online ticketing platform in a consumer protection class action concerning ticket refund policies implemented during the COVID-19 pandemic.
  • Representing a major motor vehicle manufacturer in a class action alleging manufacturing and design defects involving spark plugs and related engine components.
  • Represented a U.S. airline in class actions alleging that airlines conspired to restrict industry capacity in order to increase prices and margins.
  • Represented a U.S. airline in a class action alleging participation in a worldwide price-fixing conspiracy involving fuel surcharges on trans-Atlantic and trans-Pacific airline tickets.
  • Represented a Taiwanese LCD manufacturer in class actions alleging a worldwide price-fixing conspiracy involving LCD products.
  • Represented the former auditor of YBM Magnex in class actions brought by primary and secondary market investors alleging financial statement misrepresentation and manipulation in connection with an alleged conspiracy and fraud.
  • Represented a swimming pool operator in a class action arising from an outbreak of disease.
  • Represented a Canadian subsidiary and its parent company in tobacco litigation, including a Québec class action and provincial healthcare cost recovery proceedings.
  • Represented the former CEO of a global engineering, procurement and construction company in securities class actions in Québec and Ontario.
  • Represented a major Canadian oil and natural gas producer in shareholder class actions in Ontario, Alberta and Québec.
  • Represented a mining company and two of its former directors and officers in a class action alleging misrepresentations concerning one of the company’s mining properties.
  • Represented a provincial health authority in a proposed class action alleging negligent oversight of a radiologist’s diagnostic imaging practice.
  • Represented a provincial health authority in a proposed class action alleging systemic discrimination and failures of informed consent relating to tubal ligation procedures.
  • Represented a provincial automobile accident insurer in a class action alleging systemic bad faith in the payment of no-fault benefits.
  • Represented a fuel delivery company in a class action arising from an oil spill and claims for resulting property damage.
  • Represented a healthcare provider in a class action arising from a data breach.
  • Representing pharmaceutical distributors in multi-party and multi-jurisdictional class actions concerning opioids.

Awards and accolades

  • Recognized by Best Law Firms – Canada: Class Action Litigation

Contact us

Don't face class action litigation alone. Contact us today to schedule a consultation with one of our experienced class action defense attorneys. Let us protect your business and help you achieve a favorable resolution.

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