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John P. Calmes

2335 Government St
Baton Rouge, LA 70806

Phone: 225-387-2200

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About John P. Calmes

Graduated from LSU Law School in August 1975. Rated “AV” by Martindale Hubbell. A founding member of “The National College for DUI Defense” (1995). Listed in “Best Lawyers in America” and “Louisiana Super Lawyers”. Past President of “The Louisiana Association of Criminal Defense Lawyers” (2006). Has handled over 2,000 DWI cases. Has spoken at numerous seminars for various organizations about defending DWI cases beginning in 1988. Vietnam Veteran; awarded the Silver Star (1970).

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NCDD Journal

Find the latest news and announcements in our journal.

FROM OUR BLOG

Oral Fluid Testing: Roadside vs. Evidential Analyses

09/02/2025

Written by Ashley M. Hart As cannabis is being decriminalized in many states, there has been increased interest in rapid roadside tests to detect THC and other substances for intoxicated driving charges. A majority of states now have oral fluid testing in some form: roadside (presumptive) or evidential (confirmed in a lab). These states include Alabama, Alaska, Arkansas, Arizona, California, Connecticut,...

Interview With an Amicus

06/27/2025

Written by Michelle L. Behan Amicus Curiae (Latin for "Friend of the Court") refers to a brief that is filed by an interested, non-party to the matter under consideration. This is often done in cases where organizations and entities wish to provide the reviewing court with their point of view, be it social or public policy implications, or special interest agendas....

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Benefits of NCDD Membership

Members of the NCDD not only demonstrate that they are qualified DUI defense attorneys, but they have access to valuable information and resources. We provide access to documentation blood alcohol testing devices and scientific articles related to alcohol, drugs, driving, and testing.

We offer training on trial techniques and scientific testing, and we provide access to experts and a comprehensive knowledge base of cases and motions. With all of these resources at your fingertips, you will be able to win more cases

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Depending on your level of experience, we offer multiple plans for NCDD Membership. Attorneys who have been practicing for less than six years are eligible for a New Attorney membership, while those who have been practicing for over six years can receive a Seasoned Attorney membership. We also offer memberships for Public Defenders.