John F. Unger

John F. Unger

Attorney Profile

Top Rated Transportation & Maritime Attorney in Houston, TX

Royston, Rayzor, Vickery & Williams, LLP
 | 1600 Smith Street, Suite 5000
Houston, TX 77002
Phone: 713-224-8380
Fax: 713-225-9945
Selected To Super Lawyers: 2010 - 2019
Licensed Since: 1981
Practice Areas:
  • Transportation/Maritime (50%),
  • Civil Litigation: Defense (50%)
Attorney Profile

Mr. Unger is a Senior Counsel at Royston Rayzor with substantial experience in civil litigation and appeals in both state and federal courts.   He has represented numerous vessel owners and operators in connection with personal injury litigation involving  seamen, longshoreman and offshore worker claims.  His non-personal injury litigation includes work in the areas of product liability and commercial disputes. He has also handled a variety of international and domestic commercial transactions.

Mr. Unger’s practical approach and efficient work ethic have contributed significantly to his strong reputation. Outside the office, Mr. Unger is an adjunct professor at the University of Houston College of Law, frequently  teaching a course on Maritime Personal Injury and Death and coaching the John Brown Moot Court Competition teams from University of Houston.

About John Unger

Admitted: 1981, Texas

Professional Webpage:


  • Lawyer of the Year - Admiralty & Maritime Law, Houston, Best Lawyers in America, 2012
  • Southeastern Admiralty Law Institute, Past Chairman
  • Maritime Personnel Committee and Offshore Industries Committee, Member
  • Maritime Law Association of the United States, Proctor of Admiralty
  • Houston Bar Association, Member
  • American Bar Association, Member
  • Texas Association of Defense Counsel, Member

Bar/Professional Activity:

  • Texas, 1981
  • U.S. District Court, Western District of Texas
  • U.S. District Court, Eastern District of Texas 
  • U.S. District Court, Southern District of Texas
  • U.S. Court of Appeals, Fifth Circuit
  • U.S. Supreme Court

Scholarly Lectures/Writings:

  • Author, International Conflict of Laws - Common Civil and Maritime, Houston Journal of International Law Vol. 17 No. 2 Book Review, 1995
  • Speaker, Southeastern Admiralty Law Seminar, "Vessel Seizures" 
  • Speaker, Southeastern Admiralty Law Seminar, "Maintenance and Cure" 
  • Speaker, National Business Institute, "Maritime Workers' Compensation in Texas" 
  • Speaker, World Trade Institute, "Introduction to Maritime Law" 
  • Speaker, Houston Marine Insurance Seminar, "Texas Prompt Payment Statute" 
  • Speaker, Houston Marine Insurance Seminar, "Overview of Selected Duties of Primary and Excess Underwriters"

Educational Background:

  • B.J., University of Texas, 1978

Industry Groups

  • Marine Transportation;Offshore Services
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Office Location for John F. Unger

1600 Smith Street
Suite 5000
Houston, TX 77002

John F. Unger:

Last Updated: 11/6/2019

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