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Best Antitrust Litigation Lawyers in Canada

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ATAC LAW Corp.
Lawsuits & Disputes specialty
Burnaby, Canada

Founded in 2015
22 people in their team
English
Lawsuits & Disputes Antitrust Litigation International Arbitration +9 more
ATAC LAW Corp. is a British Columbia litigation firm. Its lawyers act in court, in arbitration and at mediation across construction and engineering, infrastructure, real estate development and expropriation. The firm also handles commercial, employment, intellectual property, estate, family and...
Crypto Legal
Serves Toronto remotely from London

Founded in 2017
12 people in their team
English
Spanish
Estonian
German
French
Antitrust Litigation International Arbitration Construction Disputes +2 more
Lawyers: Manuel Dueñas Lopez, James Ovuike
8 answers to legal questions on Lawzana
Crypto Legal is a multi-award-winning international law firm specialising in blockchain technology, cryptocurrency, digital assets, blockchain forensics, regulatory compliance, financial crime, and asset recovery. Operating across the United Kingdom and the United States, we advise individuals,...

Legal guides written by Crypto Legal:

  • The Evolution of Crypto Fraud in 2025: Forensic and Legal Strategies for Prevention and Recovery
  • Crypto Asset Recovery in 2026: Legal and Forensic Strategies for Tracing Stolen Cryptocurrency Across Borders
AAA Law LLP (Canada)
Toronto, Canada

English
Antitrust Litigation International Arbitration Construction Disputes +2 more
AAA Law LLP, based in Toronto, Ontario, offers comprehensive legal services across multiple practice areas, including trial and litigation, corporate and business law, Canadian immigration, and family law. The firm's team of experienced professionals is dedicated to providing accessible and...

English
Antitrust Litigation International Arbitration Construction Disputes +2 more
George Kyriazakos, GK Law Firm Professional Corporation, is a full-service law firm with offices in Windsor, Ontario, and Lansing, Michigan. The firm offers a comprehensive range of legal services, including real estate law, criminal and traffic offenses, civil litigation, corporate law, wills and...
RV Law LLP
Lawsuits & Disputes specialty
York, Canada

Founded in 2004
English
Portuguese
Spanish
Serbian
Lawsuits & Disputes Antitrust Litigation International Arbitration +9 more
2 answers to legal questions on Lawzana
RV Law is a general-practice Canadian law firm serving clients throughout the Greater Toronto Area and across Ontario. The firm handles business law, civil, corporate and commercial litigation, employment law, family law, wills and estates, and residential and commercial real estate matters, and...
Moland Partners
Serves Mississauga remotely from Lagos

Founded in 2000
50 people in their team
English
Antitrust Litigation International Arbitration Construction Disputes +1 more
2 answers to legal questions on Lawzana
Moland Partners is an advisory and consultancy law firm made up of a team of highly driven professionals with in-depth knowledge of corporate and commercial law, real estate advisory, corporate governance and immigration. Our expertise positions us to offer the most practical solution to challenges...
Lime Law Corporation
Lawsuits & Disputes specialty
Vancouver, Canada

Founded in 2024
5 people in their team
English
Persian
Lawsuits & Disputes Antitrust Litigation Appeal +5 more
Lawyers: Alireza Ameri
Lime Law is a forward-thinking law firm based in West Vancouver, redefining legal services with a blend of technology and personal touch. We assist our clients in real estate transactions, wills and powers of attorney, incorporation, commercial and corporate matters, judicial review of immigration...
O.B Law Office
Calgary, Canada

Founded in 2022
6 people in their team
English
Lawsuits & Disputes Antitrust Litigation International Arbitration +9 more
OB Law Office is a Calgary based full service law firm that delivers practical legal solutions to individuals, families and businesses. The firm focuses on Real Estate, Immigration, Employment and Labor, Corporate and Commercial matters, and Civil Litigation to address both transactional needs and...
Caledonia, Canada

English
Antitrust Litigation International Arbitration Construction Disputes +2 more
Arrell Law LLP, established in 1898, is a distinguished law firm located in Caledonia, Ontario, serving the legal needs of Haldimand County, Norfolk County, and surrounding areas. The firm offers a comprehensive range of legal services, including real estate transactions, wills and estates,...
Linley Welwood LLP
Abbotsford, Canada

Founded in 2010
English
Lawsuits & Disputes Antitrust Litigation International Arbitration +9 more
Linley Welwood LLP is a Fraser Valley law firm formed on May 1, 2010 through the merger of two established practices, Linley Duignan and Welwood Wiens Warkentin. The firm maintains a multidisciplinary practice focused on business and real estate law, construction matters, insurance litigation,...

Antitrust Litigation lawyers in Canada at a glance

What the 100 firms in this list say about themselves. When a firm has not told us something, we count it as not stated rather than guess.

firms in this list
100
with offices in 45 cities
median founding year
2010
65 of 100 firms give one
people: the most common team size
1–5
35 of 100 firms give one
offers a free first consultation
1
of 100 firms
name their lawyers on Lawzana
4
of 100 firms

Where their offices are

Languages firms state

  • English 8 firms
  • French 5 firms
  • Spanish 2 firms
  • Estonian 1 firm
  • German 1 firm
  • Portuguese 1 firm
  • Serbian 1 firm
  • Persian 1 firm
  • Not stated 91 firms

A language counts only when the firm lists it on its profile.

When they were founded

  • 2010 or later 33 firms
  • 1990 to 2009 17 firms
  • 1950 to 1989 10 firms
  • Before 1950 5 firms
  • Not stated 35 firms

The oldest dates from 1834; the median is 2010.

How big their teams are

  • 1 to 5 people 15 firms
  • 6 to 20 people 12 firms
  • 21 to 50 people 6 firms
  • 51 or more people 2 firms
  • Not stated 65 firms

Counted from the firms' own profiles. Firms keep these facts up to date in their dashboard. Update your firm's profile

AS SEEN ON

Canada Antitrust Litigation Legal Articles

Browse our 5 legal articles about Antitrust Litigation in Canada with practical legal information.

Canada Competition Act Updates: Risks for Foreign Investors
Antitrust Litigation
Lower Intervention Thresholds: The Competition Bureau can now challenge mergers that significantly lessen competition even if they do not create a total monopoly. Global Revenue Penalties: Violations may result in administrative monetary penalties (AMPs) of up to 10% of a company's worldwide gross revenue or three times the benefit derived... Read more →
Canada Cross-Border Mergers: Competition Act Guide
Antitrust Litigation
Canada Cross-Border Mergers: Navigating Competition Act Review Recent Sweeping Reforms: Amendments to the Canadian Competition Act have significantly lowered the bar for regulatory intervention, eliminating the "efficiencies defense" and introducing stricter merger review standards. Dual-Threshold Test: Transactions require mandatory pre-merger notification only if both the "Size-of-Target" and "Size-of-Parties" financial thresholds... Read more →
Canada Competition Bureau Merger Reviews for Foreign Buyers
Antitrust Litigation
Notification Thresholds: Mandatory pre-merger filing applies when the Canadian target's assets or revenues exceed CAD $93 million and combined global assets/revenues exceed CAD $400 million. Filing Fee: The mandatory filing fee is CAD $88,690.45 (increasing to $90,198.19 as of April 2026). Review Timelines: Statutory Phase 1 reviews take 30 days,... Read more →

About Antitrust Litigation Law in Canada

Antitrust litigation in Canada involves legal actions related to the enforcement and interpretation of laws designed to promote fair competition and prevent anti-competitive practices in the marketplace. Canadian antitrust law is commonly referred to as competition law. It is primarily governed by the Competition Act, which is enforced by the Competition Bureau, an independent law enforcement agency. Antitrust litigation can arise in both civil and criminal courts, addressing activities such as price-fixing, bid-rigging, abuse of dominant market positions, mergers that lessen competition, and deceptive marketing practices.

Why You May Need a Lawyer

Individuals and businesses may require a lawyer’s assistance in antitrust matters for a variety of reasons. If you are facing an investigation or allegations related to anti-competitive conduct, legal representation can help protect your interests and ensure procedural fairness. Businesses involved in mergers or acquisitions may need advice on compliance with the Competition Act. Victims of anti-competitive behavior, such as predatory pricing or exclusionary tactics, may pursue civil litigation to recover damages or seek an injunction. Even if you are merely seeking to ensure compliance with competition laws during routine business operations, legal guidance can help avoid costly disputes and penalties.

Local Laws Overview

Canadian antitrust law centers around the Competition Act. The Act prohibits a range of anti-competitive actions, including price-fixing, bid-rigging, price maintenance, and misleading advertising. Certain offenses, such as conspiracies to fix prices or rig bids, are criminal in nature and can result in significant fines and imprisonment. Other violations, like abuse of dominant market position, are addressed through civil procedures which can result in orders to change business practices as well as administrative penalties. The Competition Tribunal, a specialized administrative body, hears many civil competition matters. The law applies to all Canadian businesses, regardless of their size, and can also apply to foreign entities doing business in Canada.

Frequently Asked Questions

What is considered anti-competitive behavior under Canadian law?

Anti-competitive behavior generally includes activities such as price-fixing, bid-rigging, market allocation, abuse of dominant position, predatory pricing, exclusive dealing, and other conduct that limits competition or harms consumers or competitors.

Who enforces antitrust laws in Canada?

The Competition Bureau is responsible for investigating and enforcing the Competition Act. The Public Prosecution Service of Canada handles criminal prosecutions, while the Competition Tribunal adjudicates civil antitrust matters.

What penalties can result from violating Canadian antitrust laws?

Penalties may include substantial fines, prison sentences for individuals, orders to cease certain business practices, payments of damages, and loss of profits gained from illegal activities.

Can private parties sue for damages related to antitrust violations?

Yes, individuals and businesses affected by anti-competitive conduct may bring private actions in court to seek damages suffered as a result of such violations.

Are mergers and acquisitions regulated by antitrust laws?

Yes, certain mergers and acquisitions must be notified to the Competition Bureau if they meet defined thresholds, and the Bureau can challenge or block transactions that are likely to lessen or prevent competition substantially.

What is the process for a Competition Bureau investigation?

The Bureau can initiate an investigation on its own or in response to complaints. It has broad powers to collect evidence through interviews, searches, and subpoenas. Investigations may result in negotiations, settlements, or legal actions.

How long do antitrust investigations or lawsuits typically take?

Timelines vary depending on complexity. Some investigations may resolve within months, while others, especially those involving litigation, can take several years.

Is it possible to resolve antitrust matters without going to court?

Yes, the Competition Bureau may negotiate with parties to reach a consent agreement, which is a settlement that resolves concerns without a formal trial.

Are there any exemptions to Canadian antitrust laws?

Yes, certain exemptions apply, such as those for collective bargaining by employees or agreements authorized by other legislation. However, exemptions are limited and must be carefully evaluated.

What should I do if I receive a request for information or a subpoena from the Competition Bureau?

It is important to consult a lawyer immediately. Responding appropriately and legally is essential to protect your rights and ensure compliance with the law.

Additional Resources

If you are looking for more information or assistance regarding antitrust litigation in Canada, consider the following resources:

  • The Competition Bureau - The federal agency responsible for enforcing the Competition Act
  • The Competition Tribunal - Specialized tribunal that adjudicates certain matters under the Competition Act
  • Canadian Bar Association - Section on Competition Law, offering educational materials and lawyer directories
  • Public Prosecution Service of Canada - Handles criminal prosecutions under the Competition Act
  • Provincial law societies - For lawyer referrals and information about legal services in your province

Next Steps

If you need legal help with an antitrust issue, start by documenting all relevant facts, including any communication, agreements, and business activities related to your situation. Consult with a lawyer who specializes in competition or antitrust law as soon as possible to discuss your options and protect your interests. You can contact provincial law societies for lawyer referrals or reach out directly to legal firms with expertise in this field. If you have been contacted by the Competition Bureau or are facing an investigation, do not respond or provide information before getting legal advice. Early intervention by a qualified lawyer can make a significant difference in the outcome of your case.

Lawzana helps you find the best lawyers and law firms in Canada through our directory of legal professionals. Our platform offers rankings and detailed profiles of attorneys and law firms, allowing you to compare based on practice areas, including Antitrust Litigation, experience, and client feedback.

Each profile includes a description of the firm's areas of practice, client reviews, team members and partners, year of establishment, spoken languages, office locations, contact information, social media presence, and any published articles or resources. Most firms on our platform speak English and are experienced in both local and international legal matters.

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Disclaimer:

The information provided on this page is for general informational purposes only and does not constitute legal advice. While we strive to ensure the accuracy and relevance of the content, legal information may change over time, and interpretations of the law can vary. You should always consult with a qualified legal professional for advice specific to your situation.

We disclaim all liability for actions taken or not taken based on the content of this page. If you believe any information is incorrect or outdated, please contact us, and we will review and update it where appropriate.

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