Photo, Teisha C. Johnson

Teisha C. Johnson

Baker & McKenzie LLP


Teisha Johnson practices in the areas of antitrust and compliance. She provides clients with a wide range of antitrust and merger-control counseling. She also has considerable experience representing clients in government investigations, complex commercial and civil litigation, white collar criminal and regulatory investigations, including international corruption arising under the Foreign Corrupt Practices Act, and health care fraud and abuse (including qui tam actions).

Practice Focus

Teisha focuses her practice on antitrust counseling and compliance matters. She advises clients on compliance risks, proposed mergers, civil actions, and government investigations. She also advises corporate clients on information exchange, communication and collaboration with competitors, benchmarking activities, pricing issues, and document creation. Teisha regularly counsels clients on antitrust compliance policies, conducts risk assessments and internal investigations, and provides antitrust training to corporate employees. Additionally, she represents clients in antitrust matters before the Federal Trade Commission and the Antitrust Division of the US Department of Justice, as well as in civil and criminal investigations before federal and state authorities. Her experience as an in-house antitrust lawyer brings a commercial approach in advising clients on antitrust compliance matters.

Representative Legal Matters

  • Served on team representing a German-based global manufacturer of braking systems in multiple merger-control aspects of a proposed acquisition of Swedish rival, including a substantive merger-control analysis and coordinating US/EU document review and regulatory responses.
  • Acted as antitrust counsel on team representing US-based automotive parts supplier in joint venture.
  • Acted as counsel on team representing the world's largest waste services company in multiple transactions, including divestiture of its industrial cleaning division.
  • Acted as US counsel on team representing Fortune 200 consumer products company in antitrust aspects of multiple transactions.
  • Acted as counsel in a team that successfully obtained clearance from the FTC for a client in its USD 2 billion acquisition of a competitor.
  • Acted as counsel in a team that successfully defended a health care provider against the FTC and state authorities challenging the legality of a proposed combination with another health care provider, persuading the FTC to issue a rare stay of that proceeding pending resolution of the appeal.


  • U.S. District Court, District of Columbia~United States (2011)
  • District of Columbia~United States (2007)
  • U.S. District Court, District of Maryland~United States (2007)
  • Maryland~United States (2006)


  • Georgetown University Law Center (J.D.) (2006)
  • Duke University (B.A.) (2003)


  • English


Co-author (with Chris Brown), "Imposing Ad Bans as Condition of FDA Approval Violates Law and Constitution," Washington Legal Foundation Legal Backgrounder, 15 July 2005