John L Tompkins

John L Tompkins

Indianapolis, Indiana

John L. Tompkins is a partner and founder at the Indianapolis, Indiana-based firm Brown Tompkins Lory & Mastrian. An experienced criminal defense lawyer who can handle virtually any type of criminal issue, including federal and very complex cases, Mr. Tompkins focuses his practice on a broad array of criminal defense matters, particularly white collar and RICO cases and financial, sex, domestic and violent crimes. He also provides clients in Indianapolis and throughout the state with an aggressive and precise defense against drunk driving charges, and he handles criminal appeals and sentence modifications.

Mr. Tompkins co-founded the firm in 2000 with two of his partners. Their goal at that time was to form a group of diverse and independent attorneys to provide clients with the highest level of service, insight and knowledge. Today, the firm has 10 attorneys in one location, offering a comprehensive approach to better serve multiple legal needs ranging from personal injury litigation to criminal defense.

A native of Lafayette, Indiana, Mr. Tompkins obtained his Juris Doctor from Indiana University's Robert H. McKinney School of Law in Indianapolis in 1996. Prior to attending law school, he earned his undergraduate degree in business from Indiana University in Bloomington in 1985.

Mr. Tompkins is admitted to practice law in Indiana and before the U.S. District Court for the Northern and Southern Districts of Indiana. He is a member of the National Association of Criminal Defense Lawyers, the National College for DUI Defense and the Indiana State Bar Association. When not advocating for his clients, Mr. Tompkins shares his knowledge as an instructor for the Indiana Continuing Legal Education Forum.

Year Joined Firm

  • 1996

Areas of Practice

  • 70% Criminal Defense: DWI/DUI
  • 20% Criminal Defense: White Collar
  • 10% Criminal Defense

Bar Admissions

  • Indiana, 1996
  • U.S. District Court Northern District of Indiana
  • U.S. District Court Southern District of Indiana


  • Indiana University Robert H. McKinney School of Law, Indianapolis, Indiana
  • Indiana University, Bloomington, Indiana
    • B.S. - 1985
    • Major: Business

Representative Clients

  • ISBA
  • ICLEF Instructor
  • NCDD


  • Indiana Continuing Legal Education Forum, Instructor

Professional Associations and Memberships

  • National College for DUI Defense, Member
  • Indiana State Bar Association, Member
  • National Association of Criminal defense Lawyers, Member