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Gustavo Mayen
OUI attorney with deep understanding of scientific, legal and language issues. / Tu abogado en tu idioma.
Law Office of Gustavo Mayen
400 Granite Ave.
Milton, MA 02186
Phone: 781-206-7417
Website: gmayenlaw.com/

About Gustavo Mayen
Attorney and MBA graduate with the ability to tell compelling stories to and influence a wide variety of audiences. Successful trial track record. Attorney Mayen enjoys working as an attorney, giving the voice to his clients in court and in front of juries. As a minority, first generation American immigrant, veteran, and first in his family to obtain a college degree, Attorney Mayen has instant rapport with the clients he so he can zealously represent any client in need.
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Virtual Forensic Library

NCDD members have access to a comprehensive forensic library that provides invaluable information to be used when defending clients charged with DUI.
This library includes scientific articles on drug and alcohol intoxication, toxicology and pharmacology, methods of testing for blood alcohol content, field sobriety testing, potential errors that may occur during testing, accident reconstruction, expert testimony, and evidentiary rules. This valuable information can ensure that you provide a high quality defense to clients charged with DUI based on the circumstances of their case and the laws in their state.
FROM OUR BLOG
Ethics Task Force Blog
04/15/2025
Written by Jonathan Dichter The Heart of Client Care: Moving Beyond Case Management In the legal profession, we often talk about "case management" - the systems and processes that keep our cases moving efficiently. But what about *client care*? True client care goes beyond deadlines and filings; it's about treating clients as *people*-scared, uncertain, and in need of guidance. And when done...
Personal Contact: Using the Officer's Observations Against Them
03/10/2025
Written by Charles GoodwinEdited by Michelle Behan and Steven Hernandez The typical DUI investigation has three phases. It begins with the vehicle in motion and focuses on driving patterns that officers are trained might indicate impairment. Next is personal contact, where the officer will observe physical manifestations that are also purportedly correlated with alcohol ingestion and impairment. Finally, the officer will...