John Cella focuses his practice on civil litigation. Mr. Cella has represented clients in all phases of state and federal litigation, including trial.

Prior to joining the firm, Mr. Cella served as a judge advocate in the United States Navy Judge Advocate General's Corps, where he represented numerous clients at courts-martial and administrative hearings as a defense counsel. He graduated from Harvard Law School and was an Executive Editor of the Harvard National Security Journal.

Mr. Cella is the Co-Chair of the firm's military veterans affinity group, Veterans and Affiliates Leadership Organization (VALOR).


  • Healthcare manufacturer in federal litigation arising under the Antiterrorism Act related to activities in Iraq.
  • Companies and individuals in matters relating to national security, including handling of classified information.
  • Pharmaceutical manufacturer in state and federal litigation regarding FDA-approved prescription opioid medications.
  • Private equity firm in state court securities litigation.
  • Pharmaceutical manufacturer in Department of Justice investigation of patient assistance activities and marketing practices.
  • AT&T Inc. in its successful acquisition of Time Warner Inc. following a merger challenge by the Department of Justice.
  • Plaintiffs in successful partisan gerrymandering challenge to Pennsylvania's congressional districts.
  • Plaintiffs in successful partisan gerrymandering challenge to North Carolina's state legislative districts.


DOJ's Evolving Use of Data Analytics in Pursuing PPP Fraud
Enforcement Edge: Shining Light on Government Enforcement
Veteran Mortgage Relief in the Era of COVID-19
Coronavirus: Financial Services Advisory
Global Anti-Corruption Insights: Winter 2017
Update on Recent Enforcement, Litigation, and Compliance Developments


  • JD, Harvard Law School, 2011, cum laude
  • AB, Harvard College, 2008, magna cum laude
  • District of Columbia
Government & Military Service
  • Judge Advocate General's Corps, United States Navy

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