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About Me

Glynn J. Delatte, Jr. has personally handled or been a consultant in a thousand or more DWI/DUI related cases throughout the State of Louisiana.  He is the only attorney in Louisiana who has been qualified in State District Court to testify as an expert witness in the area of NHTSA Standardized Field Sobriety Testing, Police Procedure and Arrest Techniques in Apprehension of the Drunk Driver, and in the proper use and administration of the Intoxilyzer 5000 Breath Test. He is the only attorney in Louisiana who is a NHTSA and DOT Certified Instructor in Standardized Field Sobriety Testing. 

Glynn is a retired Louisiana State Police Trooper with over 20 years of law enforcement experience.  He has over 1000 DWI arrests and apprehensions to his credit.  As a trooper he was nationally recognized by NHTSA and the Louisiana Chapter of MADD for his accomplishments in this area. 


Practice Areas


  1. DUI & DWI: 90%
    20 years
  2. Car Accidents: 10%
    20 years



Fixed (Always), Free Consultation (30 minutes)

Payment Types:

Cash, Check, Credit Card

Attorney Endorsements

18 total 

  • Travis Ashley Newton

    I endorse this lawyer.


    Travis Newton DUI & DWI Attorney
    Relationship: Fellow lawyer in community

  • John Barnes

    Glynn is a nationally renowned DUI trial lawyer because of his natural ability to persuade prosecutors, judges, and juries, his tireless dedication to staying on the cutting edge of DUI defense, and the unmatched results he achieves in the courtroom. If I had a friend or family member charged with DUI anywhere in Louisiana, I would make sure they called Glynn to defend them.


    John Barnes DUI & DWI Attorney
    Relationship: Fellow lawyer in community

Contact Info

9247 Bluebonnet Boulevard
Suite C
Baton Rouge, LA, 70810

Delatte, Edwards & Marcantel

9247 Bluebonnet Blvd. Suite C
Baton Rouge, LA, 70810



LAEligible to practice law199609/03/2015

Professional Misconduct

We have not found any instances of professional misconduct for this lawyer.
Avvo Contributions
Legal Answers
Work Experience
TitleCompany NameDuration
PartnerDelatte, Edwards & Marcantel2000 - Present
Association NamePosition NameDuration
Baton Rouge Bar AssociationMember1995 - Present
Louisiana State Bar AssociationMember1995 - Present
Louisiana Criminal Defense LawyersMemberN/A
American Bar AssociationMemberN/A
Baton Rouge Criminal Defense Bar AssociationMemberN/A
Louisiana Association for JusticeMemberN/A
National College of DUI DefenseSustaining MemberN/A
School NameMajorDegreeGraduated
Southern University Law CenterLawJD - Juris Doctor1995
Louisiana State University, Baton RougeCriminal JusticeBS - Bachelor of Science1992