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Shannon Thornhill Brown

Litigation Attorney at Bossier City, LA

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About Shannon

Learn Shannon’s areas of practice.

A native of the Shreveport-Bossier area, Shannon is a seasoned attorney with a business foundation who has practiced in both the private sector and government sector. She has represented clients and appeared before various state courts in Louisiana and Texas, and also spent several years practicing in federal courts as an Assistant United States Attorney.

Shannon has a business degree from Louisiana State University and a law degree from Tulane University, where she was the business editor for the Tulane Maritime Law Journal and obtained a certificate specializing in maritime law. Shannon practiced for several years for a large defense litigation firm out of New Orleans, before she moved with her husband to Houston, Texas. During her time in Houston, Shannon practiced for a small, boutique firm, representing physician practices and small business owners in all of their legal needs, including compliance and regulatory matters and civil litigation and contracts disputes. During her time at this boutique firm, Shannon gained valuable experience in shareholder oppression and closely held company litigation, including member buy-outs and valuation disputes.

After Shannon returned home to Louisiana with her family, she accepted a position as an Assistant United States Attorney for the Civil Division of the Western District of Louisiana (which includes the cities of Shreveport, Monroe, Alexandria, Lafayette and Lake Charles and surrounding parishes) where she was the Coordinator of both the Financial Litigation Unit and the Affirmative Civil Enforcement Unit. In the Financial Litigation Unit, Shannon handled all criminal and civil collection cases in the District, including the civil asset forfeiture matters. Shannon also assisted in many complex criminal asset forfeiture matters and other white collar criminal matters, and handled matters requiring civil fraud injunctions. Shannon’s time in the financial litigation unit resulted in a significant increase in collections for the Western District, with approximately $20,000,000 collected during her time at the USAO. Shannon was subsequently named the Coordinator for the Affirmative Civil Enforcement Unit, where she oversaw all civil enforcement actions focusing on healthcare fraud under the False Claims Act and civil drug diversion under the Controlled Substances Act. Shannon lead civil investigations into healthcare fraud schemes by physicians, clinics, home health agencies, counseling centers, and hospitals. She also prosecuted civil penalties cases against physicians, retail pharmacies, and pharmaceutical distributors, and frequently consulted with other lead drug diversion prosecutors across the nation, as well as the Drug Enforcement Administration’s New Orleans Field Division and Chief Counsel’s Office, and the Narcotics and Dangerous Drugs Section of the Department of Justice Criminal Division in pursuing the DOJ’s initiative in combatting the on-going opioid crisis.

Shannon left the United States’ Attorney’s Office to join her husband and law partner in private practice at the Brown Law Firm. Shannon’s broad practice experience in both the private sector and at the United States Attorney’s office has given her ample experience in healthcare and pharmaceutical regulatory compliance and government investigations, as well as asset protection and management for business owners and individuals. Shannon is well versed in state property laws in both Louisiana and Texas, and is able to fully assist clients in estate planning and trusts, business and individual liability protection, and judgment execution.

Shannon is actively licensed to practice law in both Louisiana and Texas and is admitted to all federal and state courts in Louisiana, as well as the state courts of Texas, the Federal District Court for the Eastern District of Texas, and the Fifth Circuit Court of Appeal.

Licensed for 13 years
State LA
Status Eligible to Practice Law
Acquired 2009
Updated 11/14/2022
State TX
Status Inactive
Acquired 2012
Updated 10/23/2022

We have not found any instances of professional misconduct for this lawyer.

Contact Shannon

The Brown Law Firm, LLC
2285 Benton Road
Suite D101
Bossier City, LA, 71111


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AVVO RATING 7.5 (Very Good)

Work Experience

  • Owner/Attorney
  • The Brown Law Firm, LLC
  • 2016 - Present
  • Attorney
  • The Law Office of Matthew J. Mussalli, PC
  • 2012 - 2016
  • Associate
  • Galloway, Johnson, Tompkins, Burr & Smith, PLC
  • 2009 - 2012


  • Tulane University Law School
  • JD - Juris Doctor
  • 2009
  • Louisiana State University, Baton Rouge
  • BBA - Bachelor of Business Administration
  • 2006


  • Shreveport Bar Association
  • Member
  • 2016 - Present
  • Bossier Chamber of Commerce
  • Member
  • 2016 - Present
  • Texas Young Lawyers Association
  • Member
  • 2012 - Present
  • State Bar of Texas
  • Member
  • 2012 - Present
  • Louisiana State Bar Association
  • Member
  • 2009 - Present
  • Woodlands Bar Association
  • Member
  • 2013 - 2016
  • Junior League of New Orleans
  • Active Member
  • 2010 - 2012
View all associations

Languages Spoken

  • English


  • Tulane Maritime Law Journal
  • The Flotilla Doctrine: Is Liverpool Simply Outdated or Is It Time to Abandon Ship?
  • 2008

Attorney endorsements

Received (1)
Given (0)
Endorse Shannon
General practice Attorney | Jun 02
Relationship: Supervised lawyer
"Shannon is a bright, hard-working attorney. I would not hesitate to recommend her."
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Bossier City Litigation Lawyer Shannon Thornhill Brown
Shannon Thornhill Brown
Litigation Attorney
Bossier City, LA
Licensed for 13 years