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Karl C. Seman

40 years experience in the Nassau and Suffolk County, New York Courts, practice emphasis in DWI and Vehicular Defenses

Grunwald & Seman, PC

100 GARDEN CITY PLAZA, SUITE 203
Suite 203
GARDEN CITY, NY 11530

Phone: 516-248-8889

Website: gslawyers.com

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About Karl C. Seman

WE ARE AVAILABLE 24/7, ALL ATTORNEYS ARE FORMER PROSECUTORS WITH ALMOST 40 YEARS OF EXPEREICNE IN THE DEFENSE OF ALL VEHICULAR CRIMES. WE PROVIDE FREE CASE REVIEW AND PHONE CONSULTATIONS. CHECK US OUT ON OUR WEB SITE: GSLAWYERS.COM SELECTED AS NY SUPER LAWYER IN AREA OF CRIMINAL AND VEHICULAR DEFENSES

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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.

Virtual Forensic Library

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...

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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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Membership Plans

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.