Best Lawyers in Ontario, Canada for Corporate and Commercial Litigation

Peter Mantas leads Fasken’s London and Ottawa litigation teams, the firm’s Procurement group, and co-leads its White Collar Defence and Investigations group. Peter is a litigation partner with over 30 years' experience in complicated, high stakes cases before national and international courts, tribunals and arbitration panels. Clients appreciate Peter’s knowledge, strategic advice, teamwork and tough but reasonable approach. He is also valued for his skill in negotiations, c...

Jeffrey Larry is a top lawyer recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation and Securities Law. Jeffrey has a diverse business litigation practice, including corporate/commercial, securities and bankruptcy and insolvency litigation. He brings a pragmatic and business-like approach to the practice of law. Clients rely on his strategic and sensible advice and value his ability to find and deliver practical and cost-efficient solutions to their busines...

Doug Bourassa is a lawyer recognized by Best Lawyers in the practice area of Corporate and Commercial Litigation. Doug practices law in Toronto, Ontario Best Lawyers has recognized Doug Bourassa since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Doug Bourassa is held by other lawyers.

Rahool maintains a robust commercial and civil litigation practice with extensive experience in class actions, contractual disputes, franchise litigation, shareholder disputes, contested corporate transactions, director and officer liability, commercial arbitrations, and complex fraud cases. He has acted on a broad range of constitutional and public law cases involving matters of significant public interest. He also focuses a significant portion of his practice to litigation involving Indigen...

Brian Whitwham is an experienced litigator who excels in handling complex commercial disputes and has represented clients across all levels of Ontario’s courts. His broad experience spans from contractual claims and shareholder disputes to multi-jurisdictional class proceedings and professional discipline cases. Brian boasts experience managing a broad litigation practice with a focus on civil, corporate commercial, criminal, and regulatory matters.Brian holds several professional membe...

Lisa Spiegel is a Partner with an advocacy practice in the health industry. Lisa works with public and private hospitals as well as other health care facilities on a broad range of professional staff matters, advising hospital Boards, Chiefs of Staff and Medical Advisory Committees. Lisa provides counsel on matters pertaining to, among other areas, professional staff credentialing, privileging and governance. She appears regularly before courts and administrative and regulatory tribunals, eng...

Jeffrey Feiner is a lawyer recognized by Best Lawyers in the practice areas of Administrative and Public Law, Alternative Dispute Resolution, Professional Malpractice Law and Corporate and Commercial Litigation. Jeffrey practices law in Toronto, Ontario Best Lawyers has recognized Jeffrey Feiner since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Je...

Adrienne is a partner in the litigation department, with a practice that focuses on all aspects of franchise litigation and dispute resolution. She is widely recognized by her peers as a leading practitioner of Canadian franchise law. Adrienne is a trusted advisor to her clients. She provides legal and strategic advice to franchise businesses in all sectors, including the hotel, restaurant, retail cannabis, and grocery sectors, and is well-known for providing practical and business-oriented l...

Malcolm Ruby is a partner in Gowling WLG's Toronto office. His practice focuses on class actions, securities litigation, and trans-border disputes. He has represented clients in class proceedings - many of which were national or international in scope - relating to product liability, drug and medical device product liability, pensions, and consumer protection. Malcolm has also acted on behalf of the Ontario Securities Commission, the United States Securities and Exchange Commission, and the U...

Shantona co-founded Pape Chaudhury in 2018. She represents both individual and institutional clients in civil and commercial disputes. Her practice includes commercial litigation, class actions, torts, professional discipline, professional negligence, administrative, constitutional, and public international law. Shantona has considerable expertise in appeals: she has been counsel in over 30 cases at the Ontario Court of Appeal and has successfully argued at the Supreme Court of Canada. She al...

Julia acts for and provides advice to a range of corporate and individual clients in all manner of civil, commercial, and administrative proceedings, including professionals, statutory officers, shareholders, and directors and officers. She has a robust regulatory and administrative law practice assisting municipal integrity commissioners, athletes, university students, and regulated professionals accused of misconduct. A tried and tested advocate, Julia has acted as lead counsel on trials in...

Christopher Rae practices civil and commercial litigation. He has broad experience litigating a variety of civil and commercial disputes (including contract, shareholder and governance disputes), fraud, breach of confidence, product liability, professional negligence, insurance and insurance brokering. Christopher is also a member of Fasken’s Indigenous Legal Matters practice group. Christopher regularly represents clients across a range of industries, including agriculture, mining, aut...

Andrea Gonsalves is a lawyer recognized by Best Lawyers in the practice areas of Administrative and Public Law, Corporate and Commercial Litigation, Defamation and Media Law and Health Care Law. Andrea practices law in Toronto, Ontario Best Lawyers has recognized Andrea Gonsalves since 2019. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Andrea Gonsalves i...

Rick Dearden, a Fellow of the American College of Trial Lawyers, is a senior litigation partner in the firm's Ottawa office, practising primarily in the areas of international trade, investor-state arbitration, media and defamation law, freedom of information and administrative law. Rick’s accomplishments have also been recognized in the Best Lawyers in Canada ( International Trade; Defamation and Media Law ) ; Lexpert Guide To The Leading U.S./Canada Cross-Border Litigation Lawyers; Be...

A founding partner of the Firm, Chuck Loopstra has practised law in Toronto since 1969 and was appointed King's Counsel in 1985. Highly adept at navigating complex legal issues, Chuck has built an enviable reputation over the years as a public law expert and litigator. He regularly acts as counsel to private and public sector clients, including all levels of government. With many published papers to his credit, he frequently lectures at legal conferences. In addition to providing strategic di...

Scott W. Beattie is a lawyer recognized by Best Lawyers in the practice areas of Corporate and Commercial Litigation, Legal Malpractice Law and Professional Malpractice Law. Scott W. practices law in Hamilton, Ontario Best Lawyers has recognized Scott W. Beattie since 2020. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Scott W. Beattie is held by other la...