Atty. William E O'Neil
William E O'Neil is a lawyer practicing admiralty and maritime law, marine insurance, maritime law and 4 other areas of law. William received a B.A. degree from Tulane University in 1964, and has been licensed for 57 years.
Admiralty and Maritime Law & More Attorney · Serving Metairie, LA · 57+ Years Experience
Profile Summary
About William E O'Neil at a Glance
William E O'Neil is a Member based in Metairie, Louisiana, practicing at The O'Neil Group, L.L.C.. They have 57+ years of legal experience, licensed to practice since 1969. Their practice focuses on environmental, insurance, adr, maritime, and international. Admitted to practice in Louisiana (1969) and U.S. District Court, Eastern, Western and Middle Districts of Louisiana, U.S. Court of Appeals, Fift (1969). Educated at Loyola University (J.D., 1968) and Tulane University (B.A., 1964). Recognitions include AV Preeminent. Active member of Louisiana State and American (Chair, Standing Committee on Admiralty and Maritime Law 1987-1991) Bar Associations Maritime Law Association of the United States. Serves clients in Metairie, LA and the surrounding metropolitan area.
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About William E O'Neil
- William E O'Neil is a lawyer practicing admiralty and maritime law, marine insurance, maritime law and 4 other areas of law
- William received a B.A. degree from Tulane University in 1964, and has been licensed for 57 years
- William practices at The O'Neil Group, L.L.C. in Metairie, LA
Practice Areas Explained
William E O'Neil's Areas of Legal Practice
Each practice area below reflects the types of cases William E O'Neil handles, with a practical overview of what that area of law involves and how it may apply to your situation in Metairie.
Environmental Law in Metairie
Environmental attorneys for regulatory compliance, contamination, land use, and natural resource law.
William E O'Neil is one of 55,977 environmental attorneys indexed nationally. Browse environmental attorneys in Louisiana →
Insurance Law in Metairie
Insurance attorneys for coverage disputes, bad faith claims, denied claims, and policy disputes.
William E O'Neil is one of 120,903 insurance attorneys indexed nationally. Browse insurance attorneys in Louisiana →
Mediation & Arbitration in Metairie
Mediators and arbitrators for civil, commercial, family, and employment dispute resolution.
William E O'Neil is one of 73,315 adr attorneys indexed nationally. Browse adr attorneys in Louisiana →
Maritime & Admiralty Law in Metairie
Maritime attorneys for Jones Act claims, longshore injury, cruise ship cases, and offshore matters.
William E O'Neil is one of 11,459 maritime attorneys indexed nationally. Browse maritime attorneys in Louisiana →
International Law in Metairie
International law attorneys for cross-border transactions, trade, foreign investment, and treaties.
William E O'Neil is one of 39,787 international attorneys indexed nationally. Browse international attorneys in Louisiana →
Jurisdictional Context
Why Local Counsel Matters in Metairie
Practicing law in Louisiana. Legal matters in Louisiana are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Metairie are typically filed in the local municipal court or the appropriate Louisiana state district court, depending on subject matter and amount in controversy. An attorney licensed in Louisiana brings working knowledge of local procedural deadlines, judicial practices in this venue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Louisiana courts without local counsel or pro hac vice admission.
Metairie Courts and Legal Process
Choosing a Metairie-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.
Looking for additional Louisiana attorneys? Browse all attorneys in Metairie or all attorneys in Louisiana.
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Professional Profile
Why Clients in Metairie Choose William E O'Neil
Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish William E O'Neil's practice in the field of environmental, insurance, adr, maritime, and international.
Decade-Tested Legal Experience
William E O'Neil brings 57+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Multi-State Bar Admission
Licensed in Louisiana and U.S. District Court, Eastern, Western and Middle Districts of Louisiana, U.S. Court of Appeals, Fift, William E O'Neil can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering environmental, insurance, and adr, William E O'Neil can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Metairie
A Metairie-based practice means William E O'Neil attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.
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How People Find William E O'Neil Online
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William E O'Neil's Practice Areas & Specializations
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