Our Firm

Oberheiden, P.C. has a Network of Defense Attorneys Who Represent Clients in Federal Cases Nationwide

Founded in 2010 by federal defense attorney Nick Oberheiden, Ph.D., today, Oberheiden, P.C. has a network of highly-experienced attorneys and legal professionals who work collaboratively to defend clients across the United States in high-stakes federal matters. This network includes several former federal prosecutors, including former U.S. Attorneys, former Assistant U.S. Attorneys, and former U.S. Department of Justice (DOJ) trial lawyers who collectively have centuries of combined experience on both sides of federal investigations, trials, and appeals.

Oberheiden, P.C.’s headquarters are located in Dallas, Texas, and the firm has a staffed office in Houston, TX. The firm also has unstaffed locations in major cities across the country where in-person meetings are available by appointment. Our attorneys also routinely meet with prospective and existing clients at their offices and facilities, and our client list includes individuals and businesses in 40 states and counting. Whether through our attorneys’ federal bar admissions or affiliations with Local Counsel, we are able to represent clients in all federal jurisdictions nationwide.

Who We Are

About Our Founder

Dr. Nick Oberheiden has earned a nationwide reputation for providing effective advocacy and representation in a broad range of federal compliance and defense matters. With experience ranging from helping clients avoid recoupment liability in Medicare compliance audits to resolving criminal whistleblower investigations without charges being filed, Dr. Oberheiden is trusted counsel for clients ranging from licensed professionals to large corporate entities. He has successfully defended clients in investigations involving the DOJ, the Drug Enforcement Administration (DEA), the Office of Inspector General (OIG), the Federal Bureau of Investigation (FBI), and all other major federal law enforcement agencies, and he has obtained precedential verdicts in multiple federal jurisdictions.

Meet Dr. Oberheiden, Founding Attorney.

Our National Network of Lawyers

Along with Dr. Oberheiden, our Local Counsel network is comprised of federal defense lawyers and former federal prosecutors who have all accumulated substantial success records in within the legal community, and who devote 100 percent of their practice to federal matters. By focusing exclusively on federal cases, we are able to remain at the forefront of the legal developments affecting our clients; and, with our attorneys’ and Local Counsels’ backgrounds as federal prosecutors, we are able to develop and execute defense strategies that specifically address the tactics prosecutors use to pursue civil and criminal charges in federal district court. Our expert Attorneys speak more than 10 Languages:

Meet Our Network.

Who We Represent

We represent a diverse clientele of licensed professionals, public figures, business owners, managers and executives, board members, entrepreneurs, and corporate entities. Many of our clients are high-profile individuals and individuals who are well-known and highly-respected in their local and professional communities, and our business clients range from local retailers to large corporate organizations. We serve clients in industries and fields including:

  • Health Care Companies
  • Pharmacies
  • Home Health & Hospice
  • Doctors
  • Executives & CEOs
  • Government Officials & Employees

Within our federal defense practice, we represent clients facing civil and criminal investigations and charges under all pertinent federal statutes. This includes statutes pertaining to antitrust, compliance, corruption and bribery, drug crimes, intellectual property and identity theft, whistleblower claims, and various forms of fraud.

By the Numbers

Over the course of our firm’s existence and our attorneys’ and Local Counsels’ past careers as federal defense attorneys and prosecutors, we have amassed a substantial track record of success. At Oberheiden, P.C., our and our Local Counsels’ experience includes:

  • Amassing more than 70 years of prior experience as DOJ prosecutors
  • Representing clients in more than 1,000 federal grand jury proceedings
  • Obtaining favorable results for clients in more than 40 states around the country
  • Defending clients in more than 500 criminal trials
  • Representing clients in more than 1,000 federal civil and criminal cases
  • Defending 100 percent of False Claims Act investigations with the outcome of no civil or criminal liability for our client

If you are facing a health care audit or a federal investigation, if you have received a target letter or grand jury subpoena, or if you are waiting to stand trial in federal district court on civil or criminal charges, our federal defense lawyers can help you. Please schedule a free initial case assessment to learn more.


All visitors to this Website are informed that Oberheiden, P.C. (“Firm”) affiliates with independent and separate attorneys (“Local Counsel”) and their respective law firms on a case by case basis.  If and when this applies to a particular client, we will disclose the details to client in writing for their approval.  

In some cases, pursuant to Rule 7.04 of the Texas Disciplinary Rules of Professional Conduct and the equivalent in other jurisdictions, a case is referred to a Local Counsel, the Firm will not participate in the representation.  In such a case, client will sign an engagement exclusively with the Local Counsel.

Contact Us 24/7 to Schedule Your Free Initial
Case Assessment

To speak with a federal defense lawyer at Oberheiden, P.C., please call 888-519-4897 or request an appointment online. Our defense lawyers are available 24/7, and our lawyers can take action immediately if necessary to protect you.

Contact Us 24/7 to Schedule Your Free Initial
Case Assessment

To speak with a federal defense lawyer at Oberheiden, P.C., please call 888-519-4897 or request an appointment online. Our defense lawyers are available 24/7, and our lawyers can take action immediately if necessary to protect you.

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