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Focused On Winning Complex Criminal Cases
Advocating for Clients in Baltimore and Federal Courts Throughout the Country

Baltimore Federal Criminal Defense Attorneys

Advocating for Clients in Baltimore and Federal Courts Throughout the Country

Nathans & Ripke LLP​ is a litigation firm composed of elite trial and appellate lawyers devoted to criminal defense. Founded by Larry Allen Nathans, who was recognized by Best Lawyers® as Baltimore's Lawyer of the Year for White Collar Criminal Defense (2025 and 2021) and Criminal Defense - General (2015), our team has nearly 100 years of combined trial experience. The attorneys at our firm provide skilled, uncompromising representation in all phases of federal and state white-collar grand jury investigations, felony and misdemeanor trials, federal sentencing, criminal appeals, post-conviction litigation, federal forfeiture and asset recovery, and administrative or regulatory proceedings, including defense of lawyers regarding allegations of professional wrongdoing.

The diversity of our clientele reflects the breadth and quality of our attorneys' experience. We regularly represent corporations, senior executives, politicians, attorneys, physicians, and other professionals in white-collar and federal investigations. Driven by a sense of commitment and loyalty to our clients, we often excel at achieving early victories outside the public eye.

Our Baltimore federal criminal defense attorneys are ready to help you. Call us at (410) 783-0272 or contact us online today to get started.

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How We Can Help You

We proudly help clients in a wide variety of federal, white collar, and other criminal cases. Our attorneys have helped thousands of criminally accused clients throughout our nearly 100 years of trial experience.

    “You have made a huge difference in the life of a young man and a I want you to know how grateful we all are to you.”
    “Dear Larry: As both a father and a lawyer I am extremely grateful to you and appreciative of your successful efforts on behalf of (name). We are all extremely relieved that this matter is behind us and that it was so favorably resolved.”
    - Father of Former Client
    “I really appreciate the work and representation you gave me…”
    “Larry, I just wanted to write you a note to say Thank You! I really appreciate the work and representation you gave me…”
    - Former Client
    “I recommend your firm to absolutely everyone.”
    “Dear Mr. Nathans and Mr. Ripke, Thank you so much. I am very impressed with the outcome! I appreciate all of your time and hard work. I recommend your firm to absolutely everyone.”
    - Former Client
    “I am blessed to be at home this holiday approaching New Year. With no small thanks to you all!”
    “Dear Larry, Our very best wishes to all of you at Nathans & Biddle. I am blessed to be at home this holiday approaching New Year. With no small thanks to you all! Thanks for everything. You’re a magician….”
    - Former Client
    “We are acutely aware that the outcome could have been very dire without your good work.”
    “Dear Larry, I write for (names omitted) to say a heartfelt “thank you” for all your work on our behalf. We are acutely aware that the outcome could have been very dire without your good work.”
    - Wife of Former Attorney Client
    “I just want to thank you for being my friend.”
    “Today I celebrate my 69th Birthday. Your support and efforts to effect my freedom has made this a great day for me. I just want to thank you for being my friend.”
    - Former Client
    “I cannot fully express how much your services, kindness and insight have meant to us throughout the process.”
    “Larry, Thank you again. I cannot fully express how much your services, kindness and insight have meant to us throughout the process.”
    - Father of Former Client
    “Thank you again for everything you did for me during the investigation…”
    “Dear Mr. Nathans: I just wanted to take this opportunity to thank you again for everything you did for me during the investigation…”
    - Former Client

Real Results

View some of the victories the attorneys at Nathans & Ripke LLP have achieved for our clients.

  • $10 Million Recovered for Client

    U.S. Attorney for the District of Maryland sought forfeiture of over $15 million from our South American client company, over $10 million recovered.

    • Larry Allen Nathans
    • Robert W. Biddle
  • $48 Million Federal Civil Rights Settlement
    • Booth M. Ripke
    • Larry Allen Nathans
  • 1st Degree Murder Charge Reversed On Appeal

    A Montgomery County Circuit Court Judge reversed Moussa Sissoko's first degree murder conviction finding that Mr. Sissoko's counsel was ineffective.

    • Robert W. Biddle
  • 25 Year Old Walk Around Money Law Declared Unconstitutional

    All charges dismissed and 25 year old walk around money law declared unconstitutional under the First Amendment by Maryland's highest appellate court in a Prince George's County election law case involving the Republican candidate's gubernatorial campaign.

    • Booth M. Ripke
    • Larry Allen Nathans
  • 30 Day Sentence in $6 Million Security Fraud Case

    Post Booker sentence of 30 days in community confinement center, followed by 5 months home detention in a $6 million Akron, Ohio security fraud case.

    • Larry Allen Nathans

Put the Right Reputation on Your Side

Call Nathans & Ripke LLP today at (410) 783-0272 or fill out our secure online form to get started.
  • Larry Allen  Nathans Photo
    Larry Allen Nathans Partner
    For the last 40 years, Mr. Nathans has successfully represented individual white-collar clients, Maryland businesses, and non-white-collar clients in grand jury investigations, trials, appeals, and post-conviction matters in federal and Maryland state courts.
  • Booth M. Ripke Photo
    Booth M. Ripke Partner
    Booth Ripke has 25 years of experience as a criminal defense litigator. He has successfully defended a full range of cases - from major federal felonies to state court misdemeanors.
  • Robert W. Biddle Photo
    Robert W. Biddle Of Counsel
    Backed by more than 35 years of criminal defense experience, Attorney Biddle represents clients in white collar investigations, trials, appeals, and post-conviction matters, including defense of death penalty prosecutions, in federal and state courts.

    Let Us Help You Solve Your Case!

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    • Recognized in Best Lawyers in America® for the last Eighteen Years

      Our Baltimore attorneys have a legacy of positive results and are leaders in the legal community. To benefit from our service, call a lawyer at Nathans & Ripke LLP, and schedule a confidential consultation.

    • Leadership Positions

      Members of our firm have held many leadership positions, including former Chair of the American Bar Association White Collar Subcommittee on Federal Sentencing, & the American Bar Association Subcommittee on Forfeiture.

    • Knowledge & Experience

      Nearly 100 years of combined experience and insights into complex federal and white collar criminal defense.

    • Honors & Accolades

      Larry Allen Nathans was recognized by Best Lawyers® as Baltimore' Lawyer of the Year for While-Collar Criminal Defense (2025 and 2021) and Criminal Defense - General (2015) and as one of the Best Lawyers in America® in both While Collar and Criminal Defense - General (2008-2025).