Alexander O. Canizares

Partner

Government Contracts and Government Investigations & White Collar Criminal Defense

“Companies contracting with the government face unique compliance obligations and risks of disputes, investigations, and enforcement actions. I help clients adopt effective responses to these challenges, drawing on my DOJ experience and procurement law background to advance their business objectives.”

Alexander O. Canizares Profile Picture

Overview

Alexander Canizares is a Partner in the firm’s Washington, D.C. office and Co-head of the firm’s Government Contracts Practice Group. Alex draws on almost two decades of experience in the government and private practice to assist clients in high-stakes litigation, internal and government investigations, enforcement actions, and counseling spanning all phases of federal procurement. A former trial lawyer with the U.S. Department of Justice’s Civil Division, Alex represents clients in False Claims Act (FCA)/qui tam whistleblower actions and investigations involving fraud allegations. He also helps clients navigate mandatory and voluntary disclosures to federal agencies and mitigate risks involving the FCA and misconduct.

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Experience

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Credentials

Education

  • The George Washington University Law School, J.D. (with high honors), 2006
  • University of Wisconsin-Madison, B.A. (with honors in Political Science), 1999

Admissions

  • District of Columbia
  • New York
  • U.S. Court of Federal Claims
  • U.S. Court of Appeals for the Federal Circuit
  • U.S. Court of Appeals for the Fourth Circuit
  • U.S. District Court for the District of Columbia

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Recognitions

  • Chambers USA, Government Contracts (Nationwide), 2026
  • Legal 500, Recognized for work on disputes, bid protests, as well as internal, government, and FCA investigations
  • Legal 500 U.S., Government: Government Contracts, 2026
Insights

Client Alerts

Shut Door, Open Window: Eleventh Circuit Vacates Landmark District Court Ruling That the False Claims Act’s Qui Tam Provisions Violate the Appointments Clause

On September 1, 2026, the United States Court of Appeals for the Eleventh Circuit issued its widely anticipated decision in …

September 3, 2026

September 3, 2026 • 8-minute read

Articles

5 Strategies to Reduce the Risk of a DOJ False Claims Act Investigation

The Department of Justice (DOJ), via messaging from its leadership, has made clear it will prioritize and pursue aggressive civil False Claims Act (FCA) enforcement against companies that receive federal dollars. As the government’s primary civil remedy to redress fraud against the government, the FCA generates billions of dollars in annual DOJ settlements and judgments with the majority initiated by whistleblower qui tam lawsuits.

August 17, 2026

August 17, 2026 • 2-minute read

Client Alerts

CMMC Phase II Requirements Are Suspended: What Defense Contractors Need to Know

On July 13, 2026, the Department of War (DoW) announced that it was immediately suspending Phase II of its Cybersecurity …

July 16, 2026

July 16, 2026 • 5-minute read

Events

Alexander Canizares, Jamie Tabb, and Tyler Robinson presenting ACC NCR Webinar

On June 24th at 2:00 p.m. ET, Alex Canizares, Jamie Tabb, and Tyler Robinson along with Kimberly Hyde of BAE …

June 24, 2026

June 24, 2026 • 1-minute read

Client Alerts

Unrelated Relators: DOJ Launches FOCUS Initiative as Data-Driven FCA Filings Surge

Traditionally, a Department of Justice (“DOJ” or the “Department”) False Claims Act (“FCA”) investigation starts with someone with inside knowledge …

May 20, 2026

May 20, 2026 • 6-minute read

News & Achievements