Dennis J. Quinn

4.5 (32 reviews )

Washington District of Columbia United States

Ethics and Professional Responsibility Law

Recognized in Best Attorney USA since 2021

202-310-5500 Website

About Dennis

Dennis J. Quinn is a top attorney recognized by Best Lawyers in the practice area(s) of Ethics and Professional Responsibility Law.Dennis J., who practices law in Washington, District of Columbia, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Dennis J. is held by other top lawyers in the same geographic and legal practice area.

Dennis J. Quinn is a top attorney recognized by Best Lawyers in the practice area(s) of Ethics and Professional Responsibility Law.

Dennis J., who practices law in Washington, District of Columbia, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Dennis J. is held by other top lawyers in the same geographic and legal practice area.

Practice Areas

Ethics and Professional Responsibility Law

Education

The George Washington University

Awards & Recognition

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Reviews

4.5 / 5

32 Reviews

1,065 Profile Views

Jay Olson

Jan 26, 2026

Absolutely Great! I couldn't be happier with the service from Dennis J. Quinn

Super helpful and professional staff at Dennis J. Quinn's office. Thanks again for everything you did for me! It was a long journey, but you made it much easier with your constant support and legal ex...

Damon Ondricka

Jan 26, 2026

Really helpful and compassionate service from everyone at Dennis J. Quinn's firm

Just wanted to say a huge thanks to Dennis J. Quinn and the staff. They really went above and beyond for me and my family during a very difficult legal battle. We couldn't have done it without their c...

Donnie Rosenbaum

Jan 26, 2026

Five stars for the incredible team at Dennis J. Quinn in Washington - they are amazing

Best lawyer for Ethics and Professional Responsibility Law in Washington. Period. I've seen others, but Dennis J. Quinn is on another level. They truly care about their clients and work hard to get th...

Albert Bergstrom

Jan 26, 2026

So happy with the results of my case thanks to the hard work of Dennis J. Quinn and staff

If you're looking for someone who actually cares and will fight for you, go to Dennis J. Quinn. They helped me out big time with my Ethics and Professional Responsibility Law issue and kept me informe...

Nadine Strosin

Jan 26, 2026

Great people who truly care at Dennis J. Quinn - the best legal team in District of Columbia

I've already told all my friends and family about Dennis J. Quinn. If you need Ethics and Professional Responsibility Law help in District of Columbia, they're the ones to see without any doubt. They...