John G. O’Neill
About John G. O’Neill
John G. O’Neill is a lawyer based in Boston, MA and has been recognized in The Best Lawyers in America® since 2023. John G. O’Neill is recognized in the following practice areas:
- Boston, Massachusetts
- Insurance Law
- Litigation - Insurance
Current Firm: McAngus Goudelock & Courie LLC
Education: Boston College Law School, J.D., graduated 1995
Location: Boston, MA
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
Andrew C. Glass is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Andrew C., who practices law in Boston, Massachusetts, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Andrew C. is held by other top lawyers in the same geographic and legal practice area.
Michele Keratsis is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law and Family Law Mediation. Michele, who practices law in Newton, Massachusetts, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michele is held by other top lawyers in the same geographic and legal practice area.
James A. Bello is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Malpractice Law - Defendants. James A., who practices law in Boston, Massachusetts, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James A. is held by other top lawyers in the same geographic and legal practice area.
Ronald Eisenstein focuses his practice on advising biotechnology and pharmaceutical companies, research institutes, and universities on patent portfolio management, post-issuance strategies, dispute management and due diligence. He is also a member of the firm’s Life Sciences team. My focus I focus my practice on helping clients devise and execute strategies for managing their patent portfolios as well as navigate the changing patent landscape. I leverage my scientific background, exten...
Christopher Parkerson is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Defendants. Christopher, who practices law in Boston, Massachusetts, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Christopher is held by other top lawyers in the same geographic and legal practice area.
Jonathan M. Sachs is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Jonathan M., who practices law in Boston, Massachusetts, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jonathan M. is held by other top lawyers in the same geographic and legal practice area.
Dawna Steelman structures and closes real estate transactions financed through federal and state tax credits, with a focus on low-income housing (LIHTC), historic preservation and solar tax credits. As counsel to investors, syndicators and developers, she has closed more than 200 deals around the country with more than $2B in equity. Along with structuring transactions, she negotiates the construction and permanent financing (including tax-exempt bonds and public and private grants and loans)...
Brian M. Gibbons is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law. Brian M., who practices law in Boston, Massachusetts, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brian M. is held by other top lawyers in the same geographic and legal practice area.
Viktor A. Theiss is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Viktor A., who practices law in Boston, Massachusetts, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Viktor A. is held by other top lawyers in the same geographic and legal practice area.
John R. LeClaire is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law, Leveraged Buyouts and Private Equity Law and Mergers and Acquisitions Law. John R., who practices law in Boston, Massachusetts, has been recognized since 2003. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John R. 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?
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.
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.
What Is the Difference Between a Will and a Living Trust?
by Bryan Driscoll
A practical guide to wills, living trusts and how to choose the right plan for your estate.
US Tariff Uncertainty Throws Canada Into Legal Purgatory
by Bryan Driscoll
The message is clear: There is no returning to pre-2025 normalcy.
New Texas Family Laws Transform Navigating Divorce, Custody
by Bryan Driscoll
Reforms are sweeping, philosophically distinct and designed to change the way families operate.
The 2026 Best Lawyers Awards in Chile, Colombia and Puerto Rico
by Jamilla Tabbara
The region’s most highly regarded lawyers.