Kevin O'Brien
About Kevin O'Brien
Kevin O'Brien is a lawyer based in Toronto, ON and has been recognized in The Best Lawyers in Canada™ since 2025. Kevin O'Brien is recognized in the following practice area:
- Toronto, Ontario
- Corporate and Commercial Litigation
Current Firm: Osler, Hoskin & Harcourt LLP
Location: Toronto, ON
It takes just a few minutes to optimize your profile for clients looking to engage and lawyers who are ready to refer.
Activate your profile and highlight why your peers recognized in Best Lawyers today.
Nearby Lawyers
Brad’s practice is focused on mergers and acquisitions, shareholder activism, corporate governance and capital markets. Brad is known for his practical, results-oriented approach, which is why clients rely on him for strategic advice. Brad represents domestic and foreign companies in connection with merger and acquisition transactions across a wide range of industries with a particular emphasis on mining. Brad has significant experience with contested situations, including hostile takeo...
Margaret Bojanowska is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defence. Margaret, who practices law in Toronto, Ontario, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Margaret is held by other top lawyers in the same geographic and legal practice area.
Shoshana Green is a partner at Green and Spiegel LLP in Toronto. Shoshana has been practicing immigration law since 1996 and has extensive experience in all areas of Canadian immigration. Shoshana is certified by the Law Society of Ontario as a Specialist in Citizenship and Immigration Law. She is listed in the Who’s Who Legal of Corporate Immigration Lawyers which is considered to be The Official Research Partner of the International Bar Association, as well as in The Best Lawyers in C...
Elyse is a partner with the law firm Rosen Sunshine LLP. Elyse assists health care professionals, health associations and organizations by providing advice and opinions with respect to regulatory, administrative and civil matters. Elyse has experience in assisting various health professionals with professional matters before their licensing bodies (including, registration, complaints, discipline, fitness, and quality assurance), hospitals, employers and the government. Elyse also assists heal...
Peter Yoo is a partner at Beard Winter LLP and practises largely in the area of insurance defence litigation, with an emphasis in the areas of third party tort claims and related coverage matters, first party Statutory Accident Benefits claims (including loss transfer and priority matters), property/commercial general liability claims (including coverage and subrogation), E & O claims (including Director/Officer liability and professional negligence) and product liability claims. Peter ha...
Michael is a skilled and strategic litigator, negotiator, and problem solver who provides tactical, sensible, and proactive advice to his clients. He meticulously prepares clients for mediations, hearings, arbitrations, and trials, taking the necessary time to explain the finer details of each case. He is experienced in dealing with cases at all levels of court, including the Divisional Court, the Ontario Court of Appeal, and the Supreme Court of Canada. As a partner at Epstein Cole, Michael&...
Ross Macdonal deals with all types of litigation in his varied legal practice: commercial litigation, family law matters such as divorce, custody and access, estate litigation, and other civil litigation such as contract disputes. He has extensive experience with both very large and complex files and simpler more straight forward matters which can be dealt with expeditiously and economically. He sees his skills as a negotiator as of equal importance to his skills as a litigator and he appreci...
Raj Kehar is a Partner at WeirFoulds LLP with a practice that involves all aspects of land use planning and development law. He represents both public and private sector clients. Prior to joining WeirFoulds, Raj practised at a boutique municipal, planning and development law firm. Raj was also formerly in-house counsel on land use planning and development matters with a major Greater Toronto Area municipality. Raj is therefore uniquely positioned to understand land use planning and developmen...
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.
Elizabeth Bowker is a top attorney recognized by Best Lawyers in the practice area(s) of Class Action Litigation and Insurance Law. Elizabeth, 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 Elizabeth is held by other top lawyers in the same geographic and legal practice area.
Explore and Learn
The Family Law Loophole That Lets Sex Offenders Parent Kids
by Bryan Driscoll
Is the state's surrogacy framework putting children at risk?
Recognizing Legal Leaders: The 2027 Best Lawyers Awards in Australia, Japan and Singapore
by Jamilla Tabbara
Market drivers, diversity trends and the elite practitioners shaping the legal landscape.
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.
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.
Can a Green Card Be Revoked?
by Bryan Driscoll
Revocation requires a legal basis, notice and the chance to respond before status can be taken away.
New Texas Family Laws Transform Navigating Divorce, Custody
by Bryan Driscoll
Reforms are sweeping, philosophically distinct and designed to change the way families operate.
How Far Back Can the IRS Audit You?
by Bryan Driscoll
Clear answers on IRS statutes of limitations, recordkeeping and what to do if you are under review.
US Tariff Uncertainty Throws Canada Into Legal Purgatory
by Bryan Driscoll
The message is clear: There is no returning to pre-2025 normalcy.
Can You File Bankruptcy on Credit Cards
by Bryan Driscoll
Understanding your options for relief from overwhelming debt.
Anthropic Class Action a Warning Shot for AI Industry
by Bryan Driscoll
The signal is clear: Courts, not Congress, are writing the first rules of AI.