Margaret T. Nelligan
About Margaret T. Nelligan
Margaret T. Nelligan is a lawyer based in Toronto, ON and has been recognized in The Best Lawyers in Canada™ since 2017. Margaret T. Nelligan is recognized in the following practice areas:
- Toronto, Ontario
- Corporate Governance Practice
- Corporate Law
- Securities Law
Current Firm: Aird & Berlis LLP
Location: Toronto, ON
Nearby Lawyers
Kirk is a partner at Koskie Minsky LLP and is head of the firm’s class action group. He has been repeatedly recognized by Lexpert, Chambers Canada and Benchmark Canada as a leading Canadian practitioner in the field of class action litigation. Mr. Baert has appeared in courts across the country, including the Ontario Court of Appeal, Quebec Court of Appeal, Newfoundland Court of Appeal and the Supreme Court of Canada, on matters dealing with all aspects of class action litigation. Mr. B...
Mark Halfyard is the senior appellate lawyer at Daniel Brown Law LLP , based in Toronto, Ontario. With extensive experience in the legal field, Mark focuses on Appellate Practice and Criminal Defence. He earned his B.A. in legal studies and political science from Carleton University in 2001, graduating with honors. Mark subsequently received his LL.B. cum laude from the University of Ottawa, where he completed a clerkship with the Regional Senior Judge of the Ontario Superior Court. The Law S...
Jonathan joined Gluckstein Lawyers in 2005. He received his Bachelor of Laws degree from the University of Western Ontario in June 2006 and returned to the firm to carry out his articles-at-law. Following his call to the Ontario Bar in June 2007, Jonathan assumed his current position as a Senior Litigation lawyer at Gluckstein Lawyers. Jonathan restricts his practice to insurance litigation, including Personal Injury, disability matters, occupier’s liability, medical malpractice and pro...
Bob Potts has been a Partner in the firm for more than thirty-five years. He is an experienced litigation counsel with a varied practice and extensive client list. Bob has successfully acted for clients in disputes involving real estate and business contracts, corporate disputes and mortgage enforcement remedies. He has defended class actions and served as counsel in several leading cases, including Abdool , Bre-X and the class action stemming from the 2008 propane explosion in Toronto. Actin...
Michael Tamblyn is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law. Michael, who practices law in Toronto, Ontario, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael is held by other top lawyers in the same geographic and legal practice area.
Matthew chairs our Business Law Group. His practice involves providing counsel on transactions, as well as day-to-day activities for a wide range of clients, including banks and other financial services firms, venture capital firms, private equity/merchant banks, developers, manufacturers, distributors, retailers, and IT, BPO and pharmaceutical companies. His corporate experience includes the successful completion of numerous complex transactions, including share and asset acquisitions and di...
With a practice spanning Canada and the US, Simon focuses on commercial and corporate litigation, directors’ and officers’ liability, securities litigation, class actions, and professional negligence. Simon represents a broad range of clients, including various regulated professionals, directors and officers, oppressed shareholders, and public and private companies. Simon delivers results, both in and out of the courtroom. He has a robust trial and appellate practice, appearing re...
Gerald Chan is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative and Public Law, Appellate Practice, Criminal Defence and Privacy and Data Security Law. Gerald, who practices law in Toronto, Ontario, has been recognized since 2017. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Gerald is held by other top lawyers in the same geographic and legal practice area.
Andrea works with lawyers ( inhouse , domestic and foreign) to help navigate the patent, trademark, copyright and industrial design regulatory regimes. She is peer recognized for specialty intellectual property expertise in Chambers ( Global and Canada) , WTR 1000, Best Lawyers, Lexpert and Who’s Who Legal. Andrea is Bar certified in Ontario, Quebec, ( Canada) and Massachusetts (U.S.), and is also registered with CPATA as a patent agent and as a trademark agent. In addition, she is an a...
Dan Murdoch is a partner in the Litigation & Dispute Resolution Group and a member of the Associates Committee in the Toronto office. He is also Chair of the Firm’s Claims & Risk Management Committee. His practice focuses on class actions and complex commercial litigation. His class action practice includes securities, product liability and professional negligence. Dan has been counsel on multiple securities class actions, frequently obtaining early dismissal. His commercial lit...
Explore and Learn
2026 Best Lawyers Awards: Recognizing Legal Talent Across the United States
by Jamilla Tabbara
The 2026 editions highlight the top 5% of U.S. attorneys, showcase emerging practice areas and reveal trends shaping the nation’s legal profession.
Gun Rights for Convicted Felons? The DOJ Says It's Time.
by Bryan Driscoll
It's more than an administrative reopening of a long-dormant issue; it's a test of how the law reconciles the right to bear arms with protecting the public.
2026 Best Lawyers Awards in Canada: Marking 20 Years of Excellence
by Jamilla Tabbara
Honoring Canada’s most respected lawyers and spotlighting the next generation shaping the future of law.
How to Sue for Defamation: Costs, Process and What to Expect
by Bryan Driscoll
Learn the legal standards, costs and steps involved when you sue for defamation, including the difference between libel and slander.
Best Lawyers 2026: Discover the Honorees in Brazil, Mexico, Portugal, South Africa and Spain
by Jamilla Tabbara
A growing international network of recognized legal professionals.
Build Your Legal Practice with Effective Online Networking
by Jamilla Tabbara
How thoughtful online networking supports sustained legal practice growth.
Blogging for Law Firms: Turning Content into Client Connections
by Jamilla Tabbara
How law firms use blogs to earn trust and win clients.
Reddit’s Lawsuit Could Change How Much AI Knows About You
by Justin Smulison
Big AI is battling for its future—your data’s at stake.
How to Choose a Good Lawyer: Tips, Traits and Questions to Ask
by Laurie Villanueva
A Practical Guide for Your First-Time Hiring a Lawyer