R. Ian "Ian" Crosbie
About R. Ian Crosbie
R. Ian Crosbie is a lawyer based in Toronto, ON and has been recognized in The Best Lawyers in Canada™ since 2006. R. Ian Crosbie is recognized in the following practice areas:
- Toronto, Ontario
- Leveraged Buyouts and Private Equity Law
- Mergers and Acquisitions Law
- Private Funds Law
- Tax Law
Current Firm: Davies Ward Phillips & Vineberg LLP
Location: Toronto, ON
Nearby Lawyers
René Bissonnette is a top attorney recognized by Best Lawyers in the practice area(s) of Advertising and Marketing Law. René, who practices law in Toronto, Ontario, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which René is held by other top lawyers in the same geographic and legal practice area.
Carolyn Kay is a labour and employment lawyer in Hicks Morley’s Toronto office. She advises employers on the wide range of legal rights and responsibilities associated with their relationship with employees and unions. Carolyn regularly appears as counsel on behalf of employers in a variety of forums including rights and interest arbitrations, the Human Rights Tribunal of Ontario, the Ontario Labour Relations Board and the Pay Equity Hearings Tribunal. Carolyn provides ongoing advice to...
Melanie J. Webb is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defence. Melanie J., who practices law in Toronto, Ontario, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Melanie J. is held by other top lawyers in the same geographic and legal practice area.
Joel Cormier earned his LL.B. from Queen’s University in 2005 and was called to the Ontario bar in 2006. Joel’s areas of expertise include subrogation, insurance defence, construction and personal injury litigation. Joel has considerable experience representing clients at trial and on appeal.
Jay Lefton practices corporate and securities law. Jay advises clients on public and private mergers & acquisitions transactions, private equity matters and public and private financings, as well as assisting with strategic alliances, technology transfer and licensing. He works predominantly in the technology and life sciences sector. Assisting acquirers and target companies and their boards of directors, Jay advises on negotiated transactions and unsolicited takeover bids, most of which ...
Lucas E. Lung is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative and Public Law, Appellate Practice and Corporate and Commercial Litigation. Lucas E., who practices law in Toronto, Ontario, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lucas E. is held by other top lawyers in the same geographic and legal practice area.
Heather L. Hansen, C.S. is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law and Family Law Mediation. Heather L., who practices law in Toronto, Ontario, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Heather L. is held by other top lawyers in the same geographic and legal practice area.
R. Ian Macdonald is a top attorney recognized by Best Lawyers in the practice area(s) of Competition / Antitrust Law. R. Ian, who practices law in Toronto, Ontario, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which R. Ian is held by other top lawyers in the same geographic and legal practice area.
Robert Barbiero is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law and Medical Negligence. Robert, who practices law in Toronto, Ontario, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Robert is held by other top lawyers in the same geographic and legal practice area.
Sarah Boulby of Boulby Weinberg LLP is a seasoned family law lawyer with over 30 years of experience. She advises clients in Ontario and globally on complex support, property, and parenting matters. Sarah is skilled in negotiation, litigation, mediation, and arbitration, providing comprehensive legal representation. Sarah is a sought-after speaker and writer on family law topics. Her expertise has been recognized by the Law Society of Ontario, which uses her educational materials in its licen...
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.
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
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.
Unenforceable HOA Rules: What Homeowners Can Do About Illegal HOA Actions
by Bryan Driscoll
Not every HOA rule is legal. Learn how to recognize and fight unenforceable HOA rules that overstep the law.
Holiday Pay Explained: Federal Rules and Employer Policies
by Bryan Driscoll
Understand how paid holidays work, when employers must follow their policies and when legal guidance may be necessary.