Brian O'Callaghan
About Brian O'Callaghan
Brian O'Callaghan is a lawyer based in Canberra, AU and has been recognized in The Best Lawyers in Australia™ since 2008. Brian O'Callaghan is recognized in the following practice areas:
- Canberra, Australia
- Corporate / Governance Practice
- Government Practice
- Public Law
Current Firm: Clayton Utz
Location: Canberra, AU
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
Elissa Speight is a top attorney recognized by Best Lawyers in the practice area(s) of Government Practice and Labour and Employment Law. Elissa, who practices law in Canberra, Australia, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Elissa is held by other top lawyers in the same geographic and legal practice area.
Keith is a Director in the Estates and Estate Planning Section and brings more than 40 years’ experience in legal practice. An active member of the legal community in Canberra, he is regularly asked to lecture on various aspects of estate planning including charitable trusts, special disability trusts, succession planning, superannuation and family provision claims. He is a member of the Financial Planning Association Australia, a Member of the Society of Trust and Estate Practitioners ...
Nicholas Seddon is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Law and Government Practice. Nicholas, who practices law in Canberra, Australia, has been recognized since 2008. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Nicholas is held by other top lawyers in the same geographic and legal practice area.
Georgina Adams is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Law, Corporate / Governance Practice, Government Practice, Information Technology Law, Public Law and Telecommunications Law. Georgina, who practices law in Canberra, Australia, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Georgina is held by other top lawyers in the same geographic and legal practice area.
Paul Vane-Tempest is a top attorney recognized by Best Lawyers in the practice area(s) of Bet-the-Company Litigation, Government Practice, Labour and Employment Law, Litigation and Occupational Health and Safety Law. Paul, who practices law in Canberra, Australia, has been recognized since 2008. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Paul is held by other top lawyers in the same geographic and legal practice area.
Angela Summersby is a top attorney recognized by Best Lawyers in the practice area(s) of Government Practice, Information Technology Law, Outsourcing Law, Privacy and Data Security Law, Public Law and Telecommunications Law. Angela, who practices law in Canberra, Australia, has been recognized since 2008. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Angela is held by other top lawyers in the same geographic and legal practice area.
https://www.linkedin.com/in/bernice-ellis-74876523/ https://www.thelawyermag.com/au/news/general/laugh-every-day-says-mills-oakley-partner/228601 Bernice has a broad-ranging commercial-disputes practice, but her specialities are insolvency and debt recovery, shareholder disputes, building and construction disputes, and tax disputes. She is sought out for her sound technical advice, along with her straight-talking and commercially pragmatic approach to protecting the interests of her clients. ...
Ian has broad experience across diverse jurisdictions and areas of law with a specialisation in commercial litigation, building and construction, and insurance law. He also has experience in professional negligence claims, leasing disputes, and personal injury. Ian is recognised by his peers in The Best Lawyers in Australia list in dual fields of litigation and insurance law. His broad experience, including his regularly acting for both plaintiffs and defendants, enables him to provide a bala...
John Wilson is a top attorney recognized by Best Lawyers in the practice area(s) of Labour and Employment Law. John, who practices law in Canberra, Australia, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John is held by other top lawyers in the same geographic and legal practice area.
John Hill is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Law and Insolvency and Reorganization Law. John, who practices law in Canberra, Australia, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John 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?
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.
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.
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.
US Tariff Uncertainty Throws Canada Into Legal Purgatory
by Bryan Driscoll
The message is clear: There is no returning to pre-2025 normalcy.
Alimony Explained: Who Qualifies, How It Works and What to Expect
by Bryan Driscoll
A practical guide to understanding alimony, from eligibility to enforcement, for anyone navigating divorce
UnitedHealth's Twin Legal Storms
by Bryan Driscoll
ERISA failures and shareholder fallout in the wake of a CEO’s death.