Casey Erin Lucier Partner

Casey Lucier represents companies and individuals in government and internal investigations as well as complex commercial litigation. She has particular experience advising on antitrust and anti-corruption matters and has successfully defended both corporate clients and individuals in connection with criminal antitrust cartel investigations as well as other types of criminal investigations by the U.S. Department of Justice.

Casey conducts confidential internal investigations and counsels clients on the risks of criminal prosecution or regulatory enforcement actions. She also manages international audits and pre-merger due diligence reviews that assess compliance with antitrust and anti-corruption laws and advises clients on related risk management issues. Casey also defends companies in civil antitrust litigation and is experienced in directing the modern e-discovery process.

Casey represents companies and individuals in a variety of investigations and enforcement actions by government agencies including the Department of Justice, Securities Exchange Commission, Federal Trade Commission, Commodity Futures Trading Commission, Office of Inspector General, and state Attorneys General.

Prior to joining McGuireWoods, Casey was a law clerk to the Honorable John F. Anderson of the U.S. District Court for the Eastern District of Virginia from 2010-2011.  Before law school, Casey worked for the political action committee of former Governor Mark R. Warner of Virginia and for the Center for American Progress.


Casey is a member of the Antitrust Section of the ABA and currently serves as a Vice Chair of the Section’s Compliance and Ethics Committee. Casey is also an active member of the firm’s Women Lawyers Network and leader of the WLN’s Family Leave Liaisons program. Casey is also involved in her local community, serving as a member of the Board of Trustees of the Children’s Museum of Richmond.


Named a “Virginia Rising Star” in Antitrust, Super Lawyers, Thomson Reuters (2017-2019)

Selected for Leadership Metro Richmond’s flagship Leadership Quest program (2018)


Represented multi-national building products company in connection with multiple simultaneous criminal antitrust investigations as well as connected civil litigation.

Represented former elected official in connection with criminal investigation, resulting in declination by U.S. Attorney’s Office.

Represented executive at sentencing in Southern District of New York in connection with DOJ investigation of alleged abuses involving pre-released ADRs.

Represented large financial institution in a class action antitrust case alleging a conspiracy relating to the migration to chip cards, obtaining a dismissal of all claims on a motion to dismiss.

Successfully defended at trial an international cement manufacturer against claims of price discrimination brought under the Robinson-Patman Act.

Represented high-level executive in connection with investigation by multiple government agencies into alleged improper disclosure of information.

Conducted antitrust and anti-corruption audits of a global consumer product company’s operations in the United Kingdom as well as Russia and the former Soviet Republics.

Conducted an internal investigation on behalf of a financial institution after allegations of wrongdoing by a senior executive. Counseled client on risk analysis and responded to related government inquiries.

Represented a senior executive of international sports governing body in connection with investigations by the U.S. Department of Justice, the Swiss Office of the Attorney General and related litigation.

Represented several individuals in connection with antitrust cartel investigations across a variety of industries.

Represented large financial institution in a civil forfeiture litigation and related criminal investigation. 

In connection with proposed mergers, conducted due diligence reviews to assess antitrust as well as anti-bribery and anticorruption risks.

In connection with merger investigations and litigation, responded to subpoenas and civil investigative demands on behalf of competitors as well as customers.

  • University of Virginia School of Law, JD, Editorial Board, Virginia Journal of International Law, 2010
  • University of Notre Dame, BA, Political Science, cum laude, 2004

Board of Trustees, Children’s Museum of Richmond, 2019-present

Vice-Chair, Compliance & Ethics Committee (2018-2021), Civil Practice Committee (2021-present), Section of Antitrust Law, American Bar Association

Board Member, Rebuilding Together Richmond 2015-2021

  • District of Columbia
  • Virginia
  • U.S. District Court for the Eastern District of Virginia
  • U.S. District Court for the Western District of Virginia

Named to "Virginia Rising Stars," Antitrust Litigation, Super Lawyers, Thomson Reuters, 2017-2021

Selected for Leadership Metro Richmond’s flagship Leadership Quest program, 2018

Back to top