Atty. John G. O'Connor
John G. O’Connor has extensive experience in maritime and commercial law.
Profile Summary
About John G. O'Connor at a glance
John G. O'Connor is a maritime attorney based in Quebec, Quebec, practicing at Langlois Lawyers LLP. They have 45+ years of legal experience, licensed to practice since 1981. Admitted to practice in Quebec, Barreau du Quebec (1981) and Ontario, The Law Society of Upper Canada (1986). Recognitions include Best Lawyers in America — Maritime Law (2026), Best Lawyers in America — Transportation Law (2026), and Lawyer of the Year — Transportation Law, Québec City (Canada) (2017). Serands clients in Quebec, QC and the surrounding metropolitan area.
Want to Get Service From This Attorney?
Sign up free and choose one of the two methods below.
Have a legal question? Sign up free, submit it through the Ask the Attorney module and receive a focused answer from a specialist.
- Free to ask a question
- Answers from specialist attorneys
- Optional private / anonymous question
Request an online video meeting or an in-person consultation at the attorney's office. Pick a time that works for you and share the details securely.
- Online video meeting
- In-person at the attorney's office
- Secure messaging and payment
About
- John G. O’Connor has extensive experience in maritime and commercial law
- He has handled all types of marine insurance claims including P&I liability, environmental liability and general average, as well as ship financing, maritime accidents and salvage matters
- He has been especially active in the energy sector and involved in the international carriage and sale of oil, gas and other bulk commodities
- He also has extensive experience in marine, errors and omissions and protection and indemnity insurance
- In 2007, John received a BV Peer Review Rating from Lexis Nexis Martindale-Hubbell
- John is cited as a leading lawyer in Shipping and Maritime Law by the The Canadian Legal Lexpert® Directory
- He is also recommended in that area by Legal Who’s Who
- He was selected in The Best Lawyers in Canada in the specialty of Maritime Law
Practice Areas Explained
John G. O'Connor's Areas of Practice
Each practice area below reflects the types of cases John G. O'Connor handles, with a brief overview of what that area of law covers.
Maritime attorneys for Jones Act claims, longshore injury, cruise ship cases, and offshore matters.
John G. O'Connor is one of 11,568 maritime attorneys indexed nationally. Browse maritime attorneys in Quebec →
Jurisdictional Context
Why local counsel matters in Quebec
Practicing law in Quebec. Legal matters in Quebec are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Quebec are typically filed in the local municipal court or the appropriate Quebec state district court, depending on subject matter and amount in controversy. An attorney licensed in Quebec brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Quebec courts without local counsel or pro hac vice admission.
Looking for additional Quebec attorneys? Browse all attorneys in Quebec or all attorneys in Quebec.
Frequently Asked
Common questions about John G. O'Connor
Where is John G. O'Connor's law office located?
What practice areas does John G. O'Connor handle?
How long has John G. O'Connor practiced law?
How can I contact John G. O'Connor for a consultation?
What awards or recognition has John G. O'Connor received?
Practice Areas
Awards
Bar Admissions
Reviews
No reviews yet.