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Glenn Cole Casey

Glenn Cole Casey

DUI / DWI Lawyer
San Diego, CA
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About Glenn Cole Casey

Attorney Biography

G. Cole Casey is a DUI trial lawyer based exclusively in San Diego, for cases being heard in San Diego Courts only. Mr. Casey has earned the reputation throughout the San Diego legal community as being the "man to see" for DUI cases. This reputation comes from his practice of relentlessly taking DUI cases to jury trial, which he still does week in and week out in the San Diego courts. He is well known by law enforcement as being a tough, but fair opponent in the courtroom, and is well respected both by local prosecutors and judges for his no-nonsense, hard nosed but professional approach to handling DUI cases. He has received more Not Guilty verdicts on DUI cases than any other attorney in San Diego County over the last 5 years, including Not Guilty verdicts on DUI cases with Blood Alcohol Levels greater than .20%. Such results are a product of Mr. Casey's dedication to this particular and highly specialized area of the law, including a thorough knowledge of police procedures and the scientific bases for both blood and breath testing. Mr. Casey is certified on the Intoxilyzer 8000, the breath testing machine currently in use by local San Diego law enforcement. Mr. Casey received his Associate of Arts Degree from De Anza Junior College in Northern California, his Bachelor of Arts Degree from California State University in San Diego, and his Juris Doctor from Thomas Jefferson School of Law. Additionally, he is both a "Specialist Member" and the only San Diego attorney to sit on of the Board of Directors of the California DUI Lawyers Association. Mr. Casey is also a "Sustaining Member" of the National College for DUI Defense, and is the California State delegate to that organization. He has also completed training from the International Association of Chiefs of Police in Standardized Field Sobriety Testing, and is qualified as an Instructor in Standardized Field Sobriety Testing under the guidelines of the National Highway Traffic Safety Administration. A frequent lecturer to other attorneys and law enforcement on DUI practices and procedures, Mr. Casey is a regular guest lecturer to other DUI attorneys throughout California and in multiple states across the country. Mr. Casey's firm is NOT a one-man show. Understanding that the majority of his clients are first offenders, and are nervous, or scared or just anxious about their case, Mr. Casey has placed sufficient personnel within his organization to ensure information is readily available and easily accessible for his clients. And, although Mr. Casey's firm is the largest exclusively DUI law firm in San Diego County, the firm maintains a very hands-on, and a very open door style policy with its clients. The firm has associate attorneys, licensed paralegals and a legal support staff unmatched anywhere within the community.

Practice Areas

DUI / DWI (100%)

Résumé - Glenn Cole Casey

Bar Licenses

California State Bar
Member in Good Standing


Thomas Jefferson School of Law
Thomas Jefferson School of Law


National College for DUI Defense
Sustaining Member
National College for DUI Defense

California DUI Lawyers Association
California DUI Lawyers Association

DUI Defense Lawyers Association
Charter Member
DUI Defense Lawyers Association

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Commercial Recognitions

Community Leadership badge
Recognized for Community Leadership
Lawyer Legion

Professional Involvement badge
Recognized for Professional Involvement
Lawyer Legion

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Contact Glenn Cole Casey

Glenn Cole Casey

2305 Historic Decatur Rd Ste 100
San Diego, CA 92106
Office: 619-930-5490

More Information

Bar License Information

California Bar Membership -

Glenn Cole Casey - Profile information with the State Bar of California - Find more information about Glenn Cole Casey on the State Bar of California website, including: current status, actions affecting eligibility to practice law and disciplinary history.

Nonprofit Organizations

National College for DUI Defense, Inc. -

The NCDD is the largest non-profit, professional organization of criminal defense attorneys focused specifically on defending DUI / DWI and drunk driving related criminal charges throughout the United States and Canada.

California DUI Lawyers Association -

CDLA works to promote a fair criminal justice system and protect the rights of the accused while providing support and education to lawyers focused on DUI defense in California.

DUI Defense Lawyers Association -

The DUI Defense Lawyers Association, Inc. (DUIDLA) was founded in 2014 by a group of 27 charter members. The group prides itself on the quality of its Spring and Fall CLE seminars which help train hundreds of dedicated drunk driving defense attorneys on innovative techniques for fighting these unique and complicated criminal offenses.