Landmark results in federal cases nationwide

Service Areas

USA Court Circuit Map

Federal Criminal Defense. Any Time. Any Place. All 50 States.

As the top federal criminal defense lawyers in the United States, Lowther | Walker aggressively defends individuals and corporations throughout the country. The firm’s nationwide reputation is founded upon landmark results in federal courtrooms and at negotiating tables from large cities to rural communities. Our esteemed federal defense attorneys are available across all time zones and can respond 24/7 to your urgent case enquiries.

Geographic Boundaries of United States Court Appeals and United States District Courts

First Circuit (Boston)

Second Circuit (New York City)

  • District of Connecticut
  • New York (Eastern, Northern, Southern & Western Districts)
  • District of Vermont

Third Circuit (Philadelphia)

Fourth Circuit (Richmond)

  • District of Maryland
  • North Carolina (Eastern, Middle & Western Districts)
  • District of South Carolina
  • Virginia (Eastern & Western Districts)
  • West Virginia (Northern & Southern Districts)

Fifth Circuit (New Orleans)

  • Louisiana (Eastern, Middle & Western Districts)
  • Mississippi (Northern & Southern Districts)
  • Texas (Eastern, Northern, Southern & Western Districts)

Sixth Circuit (Cincinnati)

  • Kentucky (Eastern & Western Districts)
  • Michigan (Eastern & Western Districts)
  • Ohio (Northern & Southern Districts)
  • Tennessee (Eastern, Middle & Western Districts)

Seventh Circuit (Chicago)

  • Illinois (Central, Northern & Southern Districts)
  • District of Indiana (Northern & Southern)
  • District of Wisconsin (Eastern & Western)

Eighth Circuit (St. Louis)

  • Arkansas (Eastern & Western Districts)
  • Iowa (Northern & Southern Districts)
  • District of Minnesota
  • Missouri (Eastern & Western Districts)
  • District of Nebraska
  • District of North Dakota
  • District of South Dakota

Ninth Circuit (San Francisco)

  • District of Alaska
  • District of Arizona
  • California (Central, Eastern, Northern & Southern Districts)
  • District of Guam
  • District of Hawaii
  • District of Idaho
  • District of Montana
  • District of Nevada
  • District of the Northern Mariana Islands
  • District of Oregon
  • Washington (Eastern & Western Districts)

Eleventh Circuit (Atlanta)

  • Alabama (Middle, Northern & Southern Districts)
  • Florida (Middle, Northern & Southern Districts)
  • Georgia (Middle, Northern & Southern Districts)

District of Columbia Circuit (Washington)

  • District of Columbia

United States Court of Appeals for the Federal Circuit

  • Court of Appeals for Veterans Claims
  • Court of Federal Claims
  • Court of International Trade
  • Administrative agencies
  • Armed Services Board of Contract Appeals
  • Bureau of Justice Assistance
  • Civilian Board of Contract Appeals
  • International Trade Commission
  • Merit Systems Protection Board
    Office of Congressional
  • Workplace Rights
  • Patent Trial and Appeal Board
  • Personnel Appeals Board
  • Trademark Trial and Appeal Board

Our Federal Defense Practice Areas

Health Care Fraud

Tax Fraud

White Collar Crimes

Drug Offenses

Gun & Weapons Charges

Our Federal Criminal Defense Attorneys

Aggressive legal help when you need it

Joshua Sabert Lowther, Esq.

Partner

Murdoch Walker, II, Esq.

Partner

Katryna Lyn Spearman, Esq.

Associate Attorney

Bingzi Hu, Esq.

Associate Attorney

Serguel Mawuko Akiti, Esq.

Associate Attorney

Samuel L. Joseph, Esq.

Associate Attorney

Joshua Sabert Lowther, Esq.

Partner

Murdoch Walker, II, Esq.

Partner

Katryna Lyn Spearman, Esq.

Associate Attorney

Bingzi Hu, Esq.

Associate Attorney

Serguel Mawuko Akiti, Esq.

Associate Attorney

Samuel L. Joseph, Esq.

Associate Attorney

Our Legal Professionals & Client Care Team

Anya Bierly

Paralegal

Anya Ricketson

Paralegal

Yolanda Cunningham

Receptionist

Anya Bierly

Paralegal

Anya Ricketson

Paralegal

Yolanda Cunningham

Receptionist

Lowther | Walker: Federal Criminal Defense for Communities Across All 50 States and United States Territories.

If you’re facing federal charges and prosecutors are closing in, call Lowther | Walker to fight back. Our defense lawyers are available 24/7 to respond to your urgent case questions.

Request Free Consultation

No-obligation. Fully confidential. 

Call Us Today: (404) 496-4052