At Grunwald & Seman, P.C., our firm understands that a pressing legal concern is an urgent matter that needs the attention of a skilled and effective legal team. Since 1988, we have provided our clients in New York and Nassau County with a strong defense and skillful negotiation as they face legal matters, including criminal and municipal matters. It is important to pick the right firm when faced with overwhelming legal issues. Contact Grunwald & Seman, P.C.

DUI Keys and Drink
Person getting traffic citation
various drugs
concealed firearm
woman raising hand to child
crime scene tape
man standing in front of woman on ground
man holding gun behind his back
woman stealing
child in hoodie at computer

While much of our practice is built on DWI defense, we have the experience to zealously advocate for our clients in a wide variety of other criminal matters, including drug crimes, violent crimes, larceny, sex crimes, weapons charges, juvenile crimes, and more. Our firm also handles a wide variety of municipal cases. If you are facing serious consequences and need an attorney dedicated to your case, contact Grunwald & Seman, P.C.

At Grunwald & Seman, P.C., our clients are important to us. We pride ourselves on providing client-centered representation, always focusing on being honest and forthright in our consultations with clients. We will always ensure that you fully understand the ramifications of your legal matter so you can make educated decisions about your future. If you need our services, do not hesitate to contact our firm for a consultation.

Karl β€œChip” Seman is an outstanding defense attorney who will knowledgeably and zealously defend your rights as a defendant. Karl, drawing on his deep knowledge of the law, his extensive experience as a prosecutor and defense attorney, and his familiarity with the personalities involved, tirelessly advocated for me, and was ultimately able to negotiate a much more favorable outcome.

β€œI hired this attorney for criminal DWI defense for a family member. As promised he was available 24/7, informative, sensitive to my concerns, honest and really knew his stuff.”
Read More Testimonials