Class Actions lawyers

Christine Lonsdale

Christine is a partner in the Litigation Group in Toronto. A premier commercial litigator known for her practical approach, Christine’s practice focuses primarily on class actions, privacy defamation and administrative. Representing a broad range of clients, including financial institutions, media companies, and regulatory bodies, clients appreciate Christine’s responsiveness, ability to find creative legal solutions to real world problems, and commitment to providing optimal results to their complex issues in a timely and effective way. Working with client needs, she tailors her approach to suit the context in which their business operates, mitigating risk and advocating to protect their reputation and integrity. Christine has a strong track record of success in ensuring tight alignment between the litigation and media strategies. Christine can litigate a case to a successful conclusion or craft an early exit strategy. Christine is fully bilingual and litigates regularly in French and English. She has appeared as counsel at all levels of court, including the Supreme Court of Canada, in major cases in Ontario, British Columbia and Newfoundland.

McCarthy Tétrault

Christopher Archibald

Partner - Litigation and Investigations

Bryan Cave Leighton Paisner

Christopher Blaesing

Partner - Litigation and Investigations

Bryan Cave Leighton Paisner

Christopher Campbell

Partner; Chair of DLA Piper's Product Liability and Mass Torts practice; Chair of DLA Piper's Atlanta Office D&I Committee; Co-Chair of DLA Piper's US Product Liability, Mass Torts & Class Actions Litigation Group

DLA Piper LLP (US)

Christopher Casamassima

Partner

WilmerHale

Christopher Davies

Partner Vice Chair, Securities & Financial Services Department

WilmerHale

Christopher DeGroff

Chris DeGroff is the national Co-Chair of the firm's Complex Discrimination Litigation Practice Group, the Labor and Employment Department Chair for Chicago, and a Member of the Labor and Employment Department's Steering Committee. He represents employers throughout the country and in a wide range of employment law matters largely focused on multi-plaintiff and class/collective actions. His class action experience spans the entire scope of employment law theories, including claims of race, age and gender discrimination, sexual harassment, retaliation and wage and hour matters. He also has extensive experience litigating against the Equal Employment Opportunity Commission (EEOC), at the early charge stage, in administrative subpoena enforcement actions, and in large-scale EEOC pattern-or-practice litigation.

Seyfarth Shaw LLP

Christopher DiMatteo

Christopher's practice includes complex commercial litigation and class action defence, with a focus on cybersecurity. He also practices public law, with expertise in administrative, constitutional and regulatory law. Christopher's experience includes a wide range of business disputes, contract cases, media and defamation cases, insurance law, and procurement matters. In addition, he has experience in pension matters before both the Financial Services Tribunal and the courts. Christopher has appeared before the Ontario Superior Court of Justice, the Divisional Court, the Court of Appeal for Ontario and the Supreme Court of Canada. Before joining Blakes, Christopher was a law clerk for the Honourable Justice (now Chief Justice) Richard Wagner of the Supreme Court of Canada and for judges of the Court of Appeal for Ontario.

Blake, Cassels & Graydon LLP

Christopher Dueringer

Partner - Litigation and Investigations

Bryan Cave Leighton Paisner

Christopher Essig

Winston Taylor

Christopher Hubbard

Chris is a partner in McCarthy Tétrault’s Litigation Group in Toronto. His general litigation practice focuses on complex commercial disputes and professional negligence. Chris is sought out by clients from diverse industries to assist with a variety of litigation and regulatory issues, including product liability claims, class proceedings, product recalls, and commercial contract disputes. His clients include leading food and consumer products companies, national and international retailers, automakers, mining companies, construction companies, and consulting firms. He has appeared as lead counsel for successful clients before the Supreme Court of Canada, the Federal Court of Appeal, and multiple provincial Superior Courts and Courts of Appeal.

McCarthy Tétrault

Christopher Kelly

Partner

Holland & Knight

Christopher Ondeck

Chris Ondeck is head of Proskauer's Washington, DC office and co-head of the Firm’s Antitrust Group. Chris is one of the most highly rated antitrust trial lawyers in the United States. In 2023, Chris won the largest antitrust jury trial of the year, and one of the largest in history, by defending Sanderson Farms as the sole non-settling defendant where the direct purchaser plaintiffs alleged $7 billion in damages. The significance of the trial victory was widely reported by Reuters, Bloomberg Law, Law360 and other publications, calling it a “blockbuster case.” Law360 noted that Chris “blasted” the plaintiffs’ assertions at trial and called it one of the biggest trial decisions of the year. Chris and his team were named Litigators of the Week by the American Lawyer. Chris is a go-to litigator for clients in high-profile antitrust matters, including litigations, government investigations, and merger reviews. Chris has extensive experience advising on the antitrust issues for the creation of multi-party collaborations in the financial sector including electronic trading platforms, exchanges and clearinghouses, as well as syndicated lending and club deals. He also has 30-years’ expertise with the Capper-Volstead Act’s application and interpretation for agricultural cooperatives and serves as outside counsel to a large number of industry groups, including trade associations and cooperatives.

Proskauer Rose LLP

Christopher Pardo

Partner, Co-Chair of the Minority Lawyers Subcommittee

Hunton Andrews Kurth LLP

Christopher Richter

Christopher is an experienced trial and appellate lawyer who practises in the fields of corporate, commercial and civil litigation and dispute resolution, including advising on litigious aspects of corporate transactions. His practice also includes class actions, securities litigation, professional liability, product liability and employment law. He has appeared before the Québec courts of first instance and of appeal, the superior courts of several other provinces, the Federal Court and Federal Court of Appeal, the Supreme Court of Canada, and numerous arbitration panels and administrative tribunals (including the Québec securities commission and energy board). Leading Canadian and international companies prize Christopher’s risk-analysis advice in litigious matters and conflict prevention regarding their interests and operations in Québec and across Canada. With recognized experience in transnational disputes and matters of private international law, Christopher has also acted as arbitrator in numerous disputes (sole arbitrator, or member or chair of a panel), both domestic and international (including ICC and ICDR arbitrations). Christopher is fluently bilingual in English and French.

Torys

Christopher Schmidt

Partner - Litigation and Investigations Global Practice Group Leader - Class Actions and Mass Torts

Bryan Cave Leighton Paisner

Christopher Yates

Chris Yates, former Global Co-Chair of the firm’s Antitrust & Competition Practice, litigates precedent-setting cases across the US, with particular focus on monopolization and sports antitrust litigation. Chris leverages more than three decades experience at the forefront of antitrust law to guide household brands and world-leading sports and entertainment properties through nuanced and novel competition issues, including: Defending challenges to sports governing bodies and organizations Claims at the intersection of IP and antitrust Protecting distribution, pricing policies, and go-to-market strategies Industry group’s ability to set standards Allegations of aftermarket monopolization Successfully mitigating class actions He has a track record of success in federal trial courts across the country, including in California, New York, Florida, North Carolina, Texas, Illinois, and Delaware, and has won appeals before the US Court of Appeals for the Ninth Circuit and other courts of appeal. Chris regularly speaks on current antitrust litigation issues and is an active member of the American Bar Association Antitrust Law Section. Chris maintains an active pro bono practice, including work on behalf of seniors — for which he and his team received the Justice Walker Pro Bono Award — as well as for veterans and Kids in Need of Defense (KIND), an organization that focuses on unaccompanied and separated children’s rights in the US. Chris also served on the firm’s Associates Committee and Income Partner and Counsel Committee.

Latham & Watkins

Christopher Young

Partner

DLA Piper LLP (US)

Claude Marseille

Claude's practice focuses on corporate and commercial litigation, class actions, and product liability. He has appeared before the courts of all levels in Québec, the Federal Court, and the Supreme Court of Canada. He is involved in commercial arbitrations and has appeared before various administrative tribunals. He represents a wide range of clients including pharmaceutical companies, manufacturers, financial institutions, franchisors, telecommunications companies, and public bodies.

Blake, Cassels & Graydon LLP

Cliff Fonstein

Cliff Fonstein is a partner in the Labor & Employment Department and a member of Seyfarth Shaw’s national Whistleblower Team, as well as its Financial Services Employment Practice Team. He has litigated all types of employment cases for Fortune 500 companies, from single-plaintiff whistleblower and discrimination claims to large class actions. In the past few years, he has provided advice to financial services, manufacturing and media companies, pertaining to training, terminations, compensation and other employment-related issues and has represented these clients in state and federal court and before FINRA arbitration panels.

Seyfarth Shaw LLP

Coby Turner

Partner, Seyfarth Shaw, LLP

Seyfarth Shaw LLP

Colleen Carey Gulliver

Partner

DLA Piper LLP (US)

Colleen M. Kenney

Partner

Sidley Austin LLP

Corey Worcester

Quinn Emanuel Urquhart & Sullivan, LLP