Jonathan S. Jeffress

Jonathan S. Jeffress

KaiserDillon PLLC
  • Criminal Law, Appeals & Appellate, White Collar Crime
  • District of Columbia
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Jonathan S. Jeffress defends individuals and businesses in matters involving fraud, false statements, bribery, public corruption, and other criminal and civil matters. A trial lawyer by training, Jon spent 12 years as an Assistant Federal Public Defender for the District of Columbia. He is experienced in defending clients accused of serious crimes in one of the most high-profile federal courts in the country, and in developing sophisticated legal strategies to protect the best interests of his clients.

Jon has represented clients in all phases of federal criminal cases and has won acquittals in over half a dozen jury trials in the United States District Court for the District of Columbia. He has also successfully argued numerous appeals in the United States Court of Appeals for the District of Columbia Circuit. Jon lectures regularly on law enforcement sting operations to Federal Defender Offices across the country and to members of the Criminal Justice Act Panels. He is a member of the Board of Directors for the Law Students in Court (LSIC), a nonprofit corporation that assists over 6,000 litigants in the D.C. Courts every year. Jon previously served as a Screening Committee Member on Clemency Project 2014, reviewing and making recommendations for executive clemency in the wake of significant changes in federal sentencing law.

Prior to joining the Federal Public Defender’s office, Jon was an associate at Williams & Connolly. During his time as an associate, he worked on criminal and civil matters in federal and state courts, including the defense of a high profile client in an accounting fraud prosecution and another in a grand jury investigation regarding a Presidential pardon.

Jon is licensed to practice law in the District of Columbia and the United States Court of Appeals for the District of Columbia Circuit.

Practice Areas
    Criminal Law
    Criminal Appeals, Drug Crimes, Expungement, Fraud, Gun Crimes, Internet Crimes, Sex Crimes, Theft, Violent Crimes
    Appeals & Appellate
    Civil Appeals, Federal Appeals
    White Collar Crime
Jurisdictions Admitted to Practice
District of Columbia
District of Columbia Bar
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D.C. Circuit
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  • English
Professional Experience
KaiserDillon PLLC
- Current
Public Defender
Federal Public Defender Assistant Federal, District of Columbia
Williams And Connolly LLP
University of Virginia School of Law
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Williams College
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Professional Associations
DC Bar
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Edward Bennett Williams American Inn of Court
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Contact & Map
KaiserDillon PLLC
1099 14th St NW
8th Floor
Washington, DC 20005
Telephone: (202) 640-4430
Fax: (202) 280-1034
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