Linda Visser

Linda J. Visser is a partner of Siskinds LLP. Linda has a diverse class actions practice. She prosecutes complex price-fixing, product liability, consumer protection and pharmaceutical class actions.

Linda has been counsel in many important price-fixing cases, including the recent Supreme Court of Canada decision in Pioneer Corp. v Godfrey, 2019 SCC 42, which dealt with important issues relating to who can assert a claim based on price-fixing and what claims can be brought. Linda was also counsel in hydrogen peroxide - the first case to be certified on behalf of a class that includes indirect purchasers. Linda has argued at all levels of court, including before the Supreme Court of Canada. In recent years, she was before the Ontario Court of Appeal or Supreme Court of Canada on important legal issues, including the court's jurisdiction of foreign class members, whether umbrella purchasers (purchasers of the relevant product from non-defendant manufacturers) have a cause of action in a price-fixing claim, and whether the statutory claim contained in the Competition Act provides for discoverability.

Linda is a member of the Siskinds Board of Directors, shaping the future direction of the firm and making important decisions on investment in technology and IDEA (inclusion, diversity, equity and accessibility).

Linda is a member of the Ontario Class Action Bench-Bar Liaison Committee, and recently chaired the multi-jurisdictional subcommittee and the nominations subcommittee.

For the last several years, including most recently for 2025, Linda has been a ranked lawyer in the nationwide plaintiff class action lawyers rankings by Chamber & Partners.

In 2019, Linda was honoured as London’s top 20 under 40 by London Inc. Magazine. Recipients are judged based on the overall impact of their work – both professional and volunteer contributions.

In 2014, Linda was awarded the Order of Merit by the Consumers' Association of Canada in recognition of her outstanding contribution to Canadian consumers.

Prior to joining Siskinds in 2007, Linda practiced commercial litigation in the Toronto office of a large national firm.

• 2024, named to The Lawdragon 500 Global Plaintiff Lawyers. Inaugural edition recognizing a remarkable, globe-spanning group of advocates who are forging a new day for justice throughout the world
• 2019, 2021-2025 named to the Canadian Legal Lexpert Directory
• 2018-2023 named by Chambers & Partners as a ranked lawyer in the nationwide plaintiff class action lawyers rankings
• 2020, named by Benchmark Litigation in their 40 & Under Hot List
  
• 2019, recognized as a Top 20 Under 40 by London Inc. Magazine, see the article here
• 2019, selected to appear in the 4th Edition of Benchmark 40 and Under Hotlist and on www.benchmarklitigation.com
  
• 2014, awarded the Order of Merit by the Consumers' Association of Canada in recognition of outstanding contribution to Canadian consumers

Counsel to the class in the optical disc drive (ODD) class action
Action relates to alleged price fixing in the market for ODDs, which are used to read/write data to CDs, DVDs, Blu-ray drives, etc. Linda was counsel in a precedent setting Supreme Court of Canada decision, Pioneer Corp. v Godfrey, 2019 SCC 42, which dealt with important issues relating to who can assert a claim based on price-fixing and what claims can be brought.

Counsel to the class in the auto parts price-fixing class action
This is a collection of more than 40 cases relating to the alleged price fixing of automotive parts for installation in new vehicles. The auto parts litigation stems from, perhaps, the largest cartel in history (at least in terms of the number of companies implicated and fines levied). To date, settlements have been reached totaling more than $160 million.

Counsel to the class in the air cargo class action
Action relates to a global conspiracy to fix prices of surcharges levied on air cargo shipments. Linda was counsel before the Court of Appeal regarding the court's jurisdiction of foreign class members. The Court of Appeal found in favour of the plaintiffs, holding that the court take assert jurisdiction over foreign class members. Airia Brands Inc. v. Air Canada, 2017 ONCA 792.  Settlements have now been achieved with all defendants, totaling more than $45 million.

Counsel to the class in the hydrogen peroxide price-fixing class action
Linda was counsel in precedent setting price-fixing class actions, including the hydrogen peroxide case – the first price-fixing conspiracy class action in Canada to be certified on behalf of both direct and indirect purchasers. Irving Paper Ltd. v. Atofina Chemicals Inc., 2009 CanLII 92127.  Settlements were achieved with all defendants totaling over $23 million.

Counsel to the class in the LCD price-fixing class action
Settlements were achieved all defendants totaling over $65 million. In the LCD case, the Ontario Court of Appeal ruled that the limitation period contained in the Competition Act is subject to discoverability. This is an important ruling from an access to justice perspective. The ruling ensures that companies are not able to avoid liability by concealing their conduct. Fanshawe College of Applied Arts and Technology v. AU Optronics Corporation, 2016 ONCA 621.

Counsel to the class in the XL Foods beef recall class action
Action was certified on behalf of a Canadian and U.S. class. Harrison v XL Foods Inc, 2014 ABQB 720. A settlement was reached for persons who suffered personal or economic injury as a result of the recall.

Counsel to the class in the IKO organic roofing shingles class action
Action was certified on behalf of a national class. A settlement has been reached in the action for $7.5 million.

Counsel to the class in the chocolate products price-fixing class action
Settlements have been reached with all defendants totaling over $23 million.

• Organizer, "Navigating Unique Issues Facing Class Actions Plaintiffs", hosted by the Ontario Bar Association at Siskinds LLP London office
• Co-author, Canadian Competition Law Review Vol. 37 No. 2 (2025), The new abuse of dominance regime in Canada—an opportunity for greater enforcement and access to justice
• Speaker, “Class actions in the age of artificial intelligence”, 2024 National Conference on Class Actions, hosted by the Barreau du Quebec, November 27-28, 2024
• Speaker, “Environmental Claims and Greenwashing”, Advertising & Marketing Law: Critical Updates, Key Developments and Current Trends, hosted by the Canadian Bar Association, October 10, 2024
• Speaker, “Scholars’ Panel – How to Calculate the “Benefit Derived” from Anticompetitive Conduct?”, CBA Competition Law Fall Conference, hosted by the Canadian Bar Association, September 26-27, 2024
• Discussion Leader, "News on the Competition Front", Forum on Canadian Class Actions: hosted by Cambridge Forums, February 25-27, 2024
• Speaker, "CBA Competition Law Brown Bag - Let's Talk Private Access": hosted by the Canadian Bar Association, January 12, 2024
• Speaker, “Class Action Developments and Navigating Issues for Advertisers and Marketers”, Advertising and Marketing Law: Critical Updates, Key Developments and Current Trends, hosted by the Canadian Bar Association, June 6, 2023
• Discussion Leader, “Litigation of Anti-Trust Class Actions”, Forum on Canadian Class Actions: hosted by Cambridge Forums, February 27-28, 2023
• Speaker, “Evidence at Certification”, 14^th Annual Class Actions Colloquium: hosted by the Ontario Bar Association, December 1, 2022
• Co-chair, “Interactive Discussions on Challenges Arising From Multijurisdictional Class Actions”, hosted by the Ontario Bar Association, Fall 2021
• Speaker, “Bill 161”, Class Actions: Update for Litigators 2021, hosted by the Law Society of Ontario, January 22, 2021
• Speaker, "The View From Here: A Primer on Class Actions in America" A Special Litigation Presentation: Class Actions Advocacy hosted by The Advocates Society, June 09, 2020
• Speaker, “Claims Administration from Beginning to End: Lessons Learned and Best Practices”, 11^th Annual Class Actions Colloquium: The Practical Side of Litigating Class Actions: Experiences, Challenges and Lessons Learned hosted by the Ontario Bar Association, December 2, 2019
• Speaker “Summary Judgment: A New Hope”, hosted by The Advocates Society, May 31, 2019
• Speaker “What’s Going on With False Advertising Cases?”, 16th National Symposium on Class Actions hosted by Osgoode Hall Law School, Professional Development, April 4-5, 2019.
• Speaker "Managing the Civil and Criminal Aspects of a Cartel" hosted by the Canadian Bar Association, March 7, 2017
• Speaker “The Latest in Competition Law Class Actions”, 14th National Symposium on Class Actions hosted by Osgoode Hall Law School, Professional Development, April 6-7, 2017.
• Speaker “Competition Litigation: Trends and Tactics”, hosted by the Canadian Bar Association, March 7, 2017
• Speaker “Hot Topics: Key Issues and Trends in Competition, Securities and Privacy Law” 8th Annual Class Action Colloquium hosted by the Ontario Bar Association, December 5, 2016
• Speaker “Bringing and Defending Class Actions: 10 Things Plaintiffs’ and Defendants’ Counsel Need to Know”, Class Actions for Litigators, hosted by the Law Society of Upper Canada, November 15, 2016
• Speaker “What's New in Anti-trust Class Actions”, 5th Annual Class Action Colloquium hosted by the Ontario Bar Association, December 2, 2013
• Speaker “Supreme Court Holds Time is Ripe for Indirect Purchasers in Canada – An Economic and Legal Discussion”, hosted by the Economics and Law Committee and the Class Action and Private Enforcement Committee of the CBA’s National Competition Law Section, November 27, 2013
• Speaker "Session III: Sun-Rype Mock Argument" Annual Competition Law Fall Conference hosted by The Canadian Bar Association, September 20th 2012

Reforest London, Former Member of the Board of Directors and Former Chair of the Governance Committee

London International Children's Festival, Former Member of the Board of Directors

Linda has participated in various fundraising runs, including a marathon and several half-marathons.

In 2014, through her work at Siskinds LLP, Linda was awarded the Order of Merit by the Consumers' Association of Canada in recognition of her outstanding contribution to Canadian consumers.

Linda has appeared in the following news articles, segments, and publications:

• July 13, 2024 - Daily Hive, "Proposed class-action filed against SiriusXM alleging 'misleading' hidden fee." Linda discusses Siskinds LLP's proposed class-action lawsuit against SiriusXM, alleging that the corporation failed to provide consumers with fair and transparent pricing details.
• March 20, 2024 - CBC News, "More Leaf owners with battery problems say Nissan has abandoned them," written by Stu Mills. Linda provides her perspective on the Nissan Leaf battery issues indicating that consumers may have a strong legal claim.
• March 18, 2024 - CTV News, "Should you sue? Advice from class-action lawyers," written by Christl Dabu. Linda offers helpful consumer advice to individuals who have experienced illness after using a product or service.
• March 12, 2024 - CTV News, "What these class-action lawyers say they'd be careful buying in Canada," written by Christl Dabu. Linda provides valuable insights into products Canadians should carefully research before committing to a purchase.
• January 5, 2024 - Sarnia News Today, "Sarnia woman named lead plaintiff in proposed lawsuit over salmonella outbreak," written by Melanie Irwin. Linda discusses the proposed class action concerning injuries arising from an outbreak of Salmonella infections caused by contaminated cantaloupes.
• December 3, 2023 - CBC News, "Salmon farming companies settle class-action lawsuit alleging global price-fixing scheme," written by Melanie Irwin. Linda addresses the class-action lawsuit involving an alleged conspiracy by seven salmon farming companies to manipulate global salmon prices.
• October 19, 2023 - CTV News London, "Deadline approaching for drivers to claim part of $78 million in auto parts settlement," segment by Amandalina Letterio. Linda comments on the alleged price-fixing by different auto parts manufacturers and the ease of filing an online claim for the settlement.
• June 29, 2023 - CTV News, "Drivers of many 1998 to 2016 vehicles eligible in $78 million class action settlements," written by Daniel Otis. Linda encourages Canadian businesses and consumers who purchased vehicles affected by the auto parts price-fixing to apply for settlement benefits.
• June 28, 2023 - CBC News, "Auto-parts makers agree to pay $78M in Canadian price-fixing class action settlements," written by Colin Butler. Linda discusses the approved $78 million auto parts price-fixing class action settlements and the claims process for affected consumers and businesses.
• August 10, 2022 - CTV's national morning show, Your Morning. Linda discusses the settled Optical Disc Drive class action lawsuit and the price-fixing allegations made against the involved electronics manufacturers with co-anchor Lindsey Deluce.
• July 22, 2022 - The Saxon, "Class action lawsuit: you could be entitled to $20 if you had a disk drive." Linda provides comments regarding the alleged fixing of the sale price of optical disc players and the $29.7 million class action settlement.
• July 18, 2022 - CBC News, "Sony, Pioneer, Toshiba among optical disc drive makers settling $29.7M Canadian class action," written by Colin Butler. Linda highlights that the settlement process related to the $29.7 million Canadian class-action lawsuit is designed to be straightforward and accessible for consumers and businesses.
• August 26, 2021 - Canadian Lawyer Magazine, "Settled price-fixing class action sheds light on who can assert unlawful conspiracy claim," written by Bernise Carolino. Linda discusses the lithium-ion battery class action settlement and how this particular action promotes access to justice and more.
• October 16, 2019 - The Lawyer's Daily, "Regulated conduct defence clarified in Court of Appeal decision, counsel says."
• April 3, 2017 - Law Times, “Appeal court disallows fee to stay rival class action."

• Steps of a class action
• Linda Visser Quoted in The Lawyer’s Daily About Price Fixing Case
• Linda Visser Quoted in Law Times about Umbrella Purchaser Claims
• A Decade of Competition Law Class Actions: From Chadha to the ‘New Trilogy’
• What does it mean to “opt-out” of a class action?
• Why You Should Pay Attention to Class Action Notices
• The Preferred Approach to Resolving Issues of Pass Through in Antitrust Claims
• The Rise And Fall Of Chadha v Bayer