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Trusted Legal Representation for Complex Civil and Criminal Cases
Founded by former federal prosecutors with over 100 years of combined legal experience, Hymel Davis & Petersen is a boutique law firm dedicated to complex civil and criminal litigation. Our team leverages extensive trial experience and strategic insight to protect clients' rights and futures in high-stakes cases across Louisiana and nationwide. AV Preeminent-rated by Martindale-Hubbell, we serve individuals, businesses, and organizations with expertise in business litigation, fiduciary disputes, insurance claims, qui tam actions, and federal white-collar defense.

Our attorneys, licensed in multiple states, bring proven success in navigating intricate legal challenges with discretion and precision. With a focus on client-centric advocacy, we combine national reach with personalized representation to achieve optimal outcomes in both civil and criminal matters.
Services
Business Litigation Fiduciary Litigation Insurance Litigation Qui Tam Litigation Federal White Collar Defense
Highlights and features
  • We have over 100 years of combined legal experience in civil and criminal litigation.
  • Our team includes former federal prosecutors with insider knowledge of government strategies.
  • AV Preeminent-rated for legal ability and ethical standards by Martindale-Hubbell.
  • We provide national representation with localized expertise in Louisiana and the Gulf Coast.
  • Our boutique firm offers personalized attention with the resources of a large practice.
Associations and certifications
  • Martindale-Hubbell AV Preeminent
What people say
Strategic legal expertise Former prosecutor insights Dedicated representation Complex litigation success Trial-ready advocacy
Services
Business Litigation
Hymel Davis & Petersen provides strategic counsel for high-stakes commercial disputes involving contract conflicts, partnership disagreements, corporate misconduct, and shareholder claims. Our former federal prosecutors leverage courtroom experience to protect business interests through trial-ready advocacy and practical solutions tailored to complex civil litigation challenges.
Federal White Collar Defense
The firm offers sophisticated defense in federal white-collar cases involving fraud, embezzlement, corruption, and regulatory violations. With former prosecutors on our team, we dismantle government cases using insider knowledge of investigative tactics while maintaining client confidentiality throughout federal investigations and trials.
Insurance Litigation
We represent clients in complex insurance coverage disputes for commercial policies, liability claims, and accident-related denials. Our attorneys aggressively hold insurers accountable through litigation expertise, policy interpretation, and negotiation strategies to maximize client recovery in contested insurance matters.
Qui Tam Litigation
Hymel Davis & Petersen handles False Claims Act cases involving federal fraud allegations. Our team guides whistleblowers and defendants through confidential investigations, settlement negotiations, and trials with decades of experience in this specialized area of complex litigation.
Fiduciary Litigation
The firm resolves high-value fiduciary disputes for trustees, beneficiaries, and corporate officers. We navigate breach of duty claims, trust litigation, and estate controversies with strategic efficiency, combining legal expertise and practical solutions to protect client interests in fiduciary matters.
People
Michael Reese Davis
Attorney
Former U.S. Attorney with extensive trial experience in complex civil and criminal cases. Focuses on white-collar defense and business litigation while maintaining a proven record of successful courtroom outcomes for clients.
Tim Hartdegen
Attorney
Senior litigator with experience in federal prosecutions and complex civil matters. Specializes in qui tam cases and insurance litigation while providing strategic counsel for high-stakes legal disputes across multiple jurisdictions.
Glen Richard Petersen
Attorney
Former Assistant U.S. Attorney recognized for handling intricate fiduciary disputes and white-collar criminal defense cases. Brings prosecutorial insight to client representation with a focus on protecting rights during federal investigations.
Karlie Suzonne Sanders
Attorney
Experienced litigator with a background in state and federal judicial roles. Concentrates on business disputes and insurance claims while delivering practical solutions through trial-ready advocacy and appellate expertise.
Victoria E. Montanio
Attorney
Former Director of Louisiana's Criminal Division with specialized knowledge in regulatory compliance and criminal defense. Focuses on federal white-collar cases and complex civil litigation with a commitment to client-centered advocacy.
Questions
What areas of law does Hymel Davis & Petersen specialize in?
We focus on business litigation, fiduciary disputes, insurance claims, qui tam cases, and federal white-collar criminal defense with nationwide representation.
What experience do your attorneys bring to complex cases?
Our team includes three former federal prosecutors with over 100 years of combined experience handling intricate civil and criminal matters in state and federal courts.
How does your firm approach client representation?
We combine personalized attention with national resources, prioritizing strategic solutions and courtroom excellence to protect client interests in high-stakes litigation.
Are you available for urgent legal consultations?
Contact our Baton Rouge office at 225-298-8118 to schedule a free initial consultation with an experienced litigator during regular business hours.
What accreditations does the firm hold?
Hymel Davis & Petersen maintains an AV Preeminent rating from Martindale-Hubbell for legal ability and ethical standards based on peer reviews.