RaquinMercer—Best Defense Attorneys in Maryland, DC & More

Providing Excellent Law Services to Rockville, Potomac, Silver Spring & Beyond


RaquinMercer represents clients facing misdemeanors and felonies in Maryland and the District of Columbia at trial, on appeal, and in post-conviction proceedings. Our team has decades of litigation experience that can make the difference in your case.


RaquinMercer offers advanced DNA/forensic science consulting services for clients and attorneys. We identify the problems with DNA/forensic science in your case and develop comprehensive solutions and strategies to make sense of the science.


RaquinMercer commits to the highest quality of representation for our clients. Our mission is to serve you. Our clients are the best ambassadors of our dedication to excellence. Read here what our clients say about our commitment to them.

About our Team of Defense Attorneys in Maryland

Individual Talents, Collective Ambition, Competing Together

Isabelle Raquin and Steve Mercer share a life-long commitment to securing freedom for wrongfully charged and convicted people. Isabelle and Steve share the same passion for criminal defense work. They enjoy the fight inherent to criminal cases and love to challenge every aspect of their clients’ cases, every step of the way. They thrive on the complexity of cases involving forensic science. No case, no science is too difficult for them to comprehend or too hard to contest. Their ethic is to litigate to win. Their ambition is to be a leader in the field of criminal defense work and forensic science. Isabelle and Steve compete together to achieve the best outcome for their clients. They use a collective and collaborative approach, work on cases together, and always consult each other. Clients in our firm are our clients.

Learn more about our team of qualified lawyers here. If you have a case for our defense attorneys in Rockville, MD, contact us today.

What Our Clients Say About Us

To our current and former clients: we thank you sincerely for your trust and patronage.

To our future clients: we look forward to working with you.

Isabelle Raquin Testimonial from Joe

Because of Mrs. Raquin extensive experience dealing with criminal cases, she was able to assess my situation with close detail, look at the facts, and the law as it applied to my charges, and pay personal attention to my concerns regarding the outcome of the case…