Atty. Scott A. O'Connor

Atty. Scott A. O'Connor

Scott O’Connor’s practice focuses on oil and gas and complex commercial litigation. He has litigated and arbitrated numerous disputes involving onshore and offshore operating agreements, royalty claims, gas balancing agreements, oil and gas purchase contracts, farmout agreements, preferential purchase rights, and purchase and sale agreements.

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Profile Summary

About Scott A. O'Connor at a glance

Scott A. O'Connor is a business, litigation, environmental, and energy attorney based in New Orleans, Louisiana, practicing at Gordon Arata. Educated at Loyola University New Orleans (J.D., 1989). Recognitions include Best Lawyers in America — Commercial Litigation (2026), Best Lawyers in America — Energy Law (2026), and Best Lawyers in America — Natural Resources Law (2026). Serands clients in New Orleans, LA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

Scott O’Connor’s practice focuses on oil and gas and complex commercial litigation. He has litigated and arbitrated numerous disputes involving onshore and offshore operating agreements, royalty claims, gas balancing agreements, oil and gas purchase contracts, farmout agreements, preferential purchase rights, and purchase and sale agreements. He has defended national and state class actions involving oil and gas pricing practices including antitrust litigation, and has represented oil and gas clients as creditors and debtors in bankruptcy proceedings.

Prior to joining Gordon Arata, Scott clerked for the Honorable A. J. McNamara, former Chief Judge of the U.S. District Court for the Eastern District of Louisiana. During law school, Scott was a member and Managing Editor of the Loyola Law Review and a member of the Moot Court staff.

Representative Matters:

  • Successfully represented the Orleans Levee District against claims by the Plaquemines Parish Government (PPG) that the Levee District was required to convey various lands including valuable mineral rights in Plaquemines Parish to the PPG
  • Successfully represented Hunt Oil Company, et al. in the district court and on appeal in holding Southeast Offshore, Inc. liable for its assignee's multi-million dollar proportionate share of operating expenses and end-of-lease abandonment costs associated with two OCS leases after Southeast Offshore's assignee defaulted on those obligations
  • Successfully represented the Orleans Levee District against claims for unconstitutional takings of oil and gas revenues asserted by class-action plaintiff's in connection with lands that the Louisiana legislature directed the Levee District to return to various prior owners (and their successors) under the Return of Lands Act of 1984 for lands in the Bohemia Spillway
  • Successfully defended Texaco Exploration and Production, Inc. in arbitration against claims by Ridgelake Energy, Inc. that Texaco breached a participation agreement, acted willfully and was grossly negligent in failing to make deferred development rental payments under a mineral lease granted by the State of Louisiana
  • Served as Louisiana counsel for Amerada Hess Corporation against Marathon Oil Company on claims that Marathon breached its obligations under an offshore operating agreement and related contracts when it transferred its interests in several OCS oil and gas leases to a third party that did not have the financial capability to satisfy its obligations, including multi-million dollar obligations to plug and abandon wells and remove platforms from the offshore leases. After motions for summary judgment were filed, Amerada reached a favorable settlement.
  • Successfully defended Apache Corporation in multi-district, multi-party federal class action litigation against antitrust and royalty claims alleging that Apache intentionally underpaid royalties on crude oil based upon artificially deflated posted prices and participated in an industry-wide conspiracy to devalue crude oil at the lease
  • Successfully represented Texas Eastern Transmission Corporation in litigation with Amerada Hess Corporation and Marathon Oil Company over long-term gas sales contracts affecting offshore production from the South Pass area in the Gulf of Mexico. Under contract interpretations pressed by Amerada and Marathon, Texas Eastern's exposure exceeded $1.2 billion.

    Select Reported Cases:

    • Plaquemines Parish Government v. Department of Natural Resources, 23 So.3d 357 (La. App. 1st Cir.), writ denied, 23 So.3d 920 (La. 2009)
    • Chieftain International (U.S.) Inc. v. Southeast Offshore, Inc., 553 F.3d 817 (5th Cir. 2008)
    • Haspel & Davis Milling & Planting Co. v. Board of Commissioners of Orleans Levee District, 493 F.3d 560 (5th Cir. 2007)
    • Amerada Hess Corp. v. Marathon Oil Co., Civil Action No. 03-0985 (E.D. La. 2003)
    • In re Lease Oil Antitrust Litigation (No. II), 186 F.R.D. 403, 142 Oil & Gas Rep. 532 (S.D. Tex. 1999)
    • Texas Eastern Transmission Corp. v. Amerada Hess Corp., 145 F.3d 737 (5th Cir. 1998)

      Professional Affiliations:

      • Louisiana State Bar Association
      • St. Thomas More Inn of Court
      • American Association of Professional Landmen
      • Professional Landman's Association of New Orleans - Board of Directors (2002-2005)

        Honors:

        • Listed in Chambers USA 2012
        • Listed in Louisiana SuperLawyers

    Practice Areas Explained

    Scott A. O'Connor's Areas of Practice

    Each practice area below reflects the types of cases Scott A. O'Connor handles, with a brief overview of what that area of law covers.

    Business & Corporate Law

    Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

    Scott A. O'Connor is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Louisiana →

    Civil Litigation

    Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

    Scott A. O'Connor is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Louisiana →

    Environmental Law

    Environmental attorneys for regulatory compliance, contamination, land use, and natural resource law.

    Scott A. O'Connor is one of 56,434 environmental attorneys indexed nationally. Browse environmental attorneys in Louisiana →

    Energy & Utilities Law

    Energy attorneys for oil & gas, renewables, utility regulation, and energy sector transactions.

    Scott A. O'Connor is one of 36,230 energy attorneys indexed nationally. Browse energy attorneys in Louisiana →

    Jurisdictional Context

    Why local counsel matters in Louisiana

    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 New Orleans 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 andnue, 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.

    Looking for additional Louisiana attorneys? Browse all attorneys in New Orleans or all attorneys in Louisiana.

    Frequently Asked

    Common questions about Scott A. O'Connor

    Where is Scott A. O'Connor's law office located?
    Scott A. O'Connor's law practice is located in New Orleans, Louisiana. The firm is Gordon Arata. You can contact the office directly through this profile page.
    What practice areas does Scott A. O'Connor handle?
    Scott A. O'Connor focuses on business, litigation, environmental, energy. Each practice area listed reflects experience handling cases of that type in Louisiana.
    Where did Scott A. O'Connor go to law school?
    Scott A. O'Connor earned their education at (J.D., 1989).
    How can I contact Scott A. O'Connor for a consultation?
    You can contact Scott A. O'Connor directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
    What awards or recognition has Scott A. O'Connor received?
    Scott A. O'Connor's notable recognition includes: Best Lawyers in America — Commercial Litigation; Best Lawyers in America — Energy Law; Best Lawyers in America — Natural Resources Law; Best Lawyers in America — Oil and Gas Law.

    Education

    J.D.
    Loyola University New Orleans
    - 1989

    Awards

    Best Lawyers in America — Commercial Litigation
    - 2026
    Best Lawyers in America — Energy Law
    - 2026
    Best Lawyers in America — Natural Resources Law
    - 2026
    Best Lawyers in America — Oil and Gas Law
    - 2026

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