About Duffy Law Firm

Duffy Law Firm is a Rapid City, South Dakota law firm representing individuals and families in important legal matters. The firm focuses on criminal law, family law, immigration law, and personal injury law. Its work centers on practical guidance, direct advocacy, and preparation for clients facing stressful disputes, legal charges, family changes, immigration concerns, or injury-related losses. The firm provides legal support designed around each case’s facts and challenges.

Duffy Law Firm handles criminal defense matters involving DUI and DWI cases, theft, murder or homicide allegations, aggravated assault, drug crimes, and other criminal cases. The firm understands that criminal charges can affect freedom, employment, reputation, and long-term stability. Its attorneys review the details of each matter, prepare defense strategies, and work to protect client rights throughout investigations, negotiations, hearings, and court proceedings.

Duffy Law Firm also assists with family law and immigration matters. The firm’s family law services include divorce, custody, spousal support, paternity, and other family-related disputes. Its immigration practice includes business immigration, family immigration, work visas, labor certification, consular practice, and other immigration cases. The firm helps clients address complex personal and legal issues with steady communication and careful attention to required documents, deadlines, and procedures.

Duffy Law Firm represents injured clients in personal injury cases involving falls, wrongful death, car accidents, motorcycle accidents, injury claims, and related matters. The firm helps clients preserve evidence, review records, and pursue compensation for losses connected to negligence. From the firm’s Rapid City office, the legal team serves clients who need courtroom advocacy, case preparation, and clear direction during difficult criminal, family, immigration, or injury-related situations.

Practice Areas

Criminal Defense
  • DUI/DWI Cases
  • Theft
  • Murder/Homicide
  • Aggravated Assault
  • Drug Crimes
Family Law
  • Divorce
  • Custody
  • Spousal Support
  • Paternity
Immigration
  • Business Immigration
  • Family Immigration
  • Work Visa
  • Labor Certification
  • Consular Practice
Personal Injury
  • Falls
  • Wrongful Death
  • Car Accidents
  • Motorcycle Accidents
  • Injury Claim

Fees

  • Payment details not specified

Office location for Duffy Law Firm

Duffy Law Firm

1321 Mt Rushmore Rd, Rapid City, SD 57701