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About Catherine

For more than 30 years, Catherine Little has counseled oil and gas pipeline, terminal and LNG clients across the United States on energy, transportation and safety-related legal matters at the federal, state and local levels. In particular, Catherine regularly advises on a full range of regulatory compliance and enforcement defense matters, including construction and siting, operations, maintenance, inspection, incident response and security issues. Catherine counsels clients with respect to litigation strategy and frequently manages large-scale confidential investigations and compliance audits to assist companies in identifying legal risks and preparing defenses. Catherine and her team have favorably resolved criminal investigation matters led by the Department of Transportation Office of Inspector General and the US Department of Justice, and successfully sought federal appellate review for precedential pipeline enforcement matters. 

She also frequently works on behalf of her clients as well as industry trade groups on legislative and regulatory rulemakings at the federal and state levels.

Catherine regularly serves as a moderator and speaker at legal and industry conferences and seminars across the United States, and is the author of several articles, chapters and editorials on compliance and regulatory issues.

Catherine Little has notable experience handling compliance issues for pipelines as well as managing both civil and criminal enforcement actions.
Chambers USA, 2022


Publications and Speeches

“PHMSA Regulatory Developments: Agency Focus and Direction,” Moderator, American Petroleum Institute (API) 2022 Pipeline Control Room and Cybernetics Conference, May 2022.

“Midstream Policy & the Supply Chain: Challenges and Opportunities for the Refining Industry,” Panelist, American Fuel & Petrochemical Manufacturers (AFPM) Annual Meeting, March 2022.

“PHMSA Update,” Moderator, AOPL Legal Committee Meeting (annually).

“Legal Roundtable: Pipeline Safety Legal Issues Breakfast Roundtable,” Moderator, AOPL Annual Business Conference (annually).

“Natural Gas Connect Legal Roundtable: PHMSA Updates,” Speaker, Southern Gas Association Natural Gas Connect Academy, 2019 and 2020.

“Final Liquid Pipeline Rule Emphasizes New Safety Requirements,” Law360, October 24, 2019.

“House and Senate Pipeline Bills: Ships Passing in the Night,” Law360, August 20, 2019.

“Legal Roundtable: PHMSA Key Developments,” Natural Gas Connect, July 2019.

“When Defendants Invoke ‘Necessity’ In Pipeline Sabotage,” Law360, May 24, 2018.

“Oil and Gas Pipeline Industry in an Evolving Legal Landscape,” Trends, American Bar Association Section of Environment, Energy, and Resources, September/October 2017.

“Natural Gas Pipeline Infrastructure for Market Expansion: Regulatory and Political Landscape,” Southern States Energy Board 57th Annual Meeting, Exploring the New Vision for America’s Energy Economy, September 2017.



Tulane University Law School,
cum laude
University of Virginia,

Bar Admissions

*Not licensed to practice in the District of Columbia


American Bar Association, Section of Environment, Energy and Resources
Past Vice Chair, Enforcement and Environmental Crimes Committee
American Bar Association, Section of Environment, Energy and Resources Law
Section on Administrative Law
Energy Bar Association





Chambers USA
Georgia: Environmental Law, 2007 – 2022
The Legal 500 United States
Energy Regulatory: Oil and Gas, 2022
BL Rankings
Best Lawyers
Energy Law, 2008 - 2022; Environmental Law, 2008 - 2022; Litigation – Environmental, 2011 - 2022; Atlanta Lawyer of the Year Energy Law, 2012, 2022
Atlanta Magazine
Super Lawyers, Environmental Law, 2008 – 2013