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

1,063 Profile Views

Connie Jones

Jan 26, 2026

Professional service and clear communication provided by Dennis J. Quinn in Washington

It's hard finding a reliable lawyer these days, but Dennis J. Quinn in Washington is definitely one of the good ones. Would use them again if needed without hesitation. They are professional, responsi...

Kari Stark

Jan 26, 2026

So glad I called Dennis J. Quinn to handle my Ethics and Professional Responsibility Law case in Washington

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...

Sherman Torphy

Jan 26, 2026

Professional service and clear communication provided by Dennis J. Quinn in Washington

Needed help with Ethics and Professional Responsibility Law and Dennis J. Quinn delivered on their promises. They're professional, efficient, and easy to talk to. Good choice for anyone in District of...

Charlene White

Jan 26, 2026

Reliable lawyer you can count on - Dennis J. Quinn provided excellent service throughout

I've worked with a few lawyers in Washington over the years, but Dennis J. Quinn stands out for their honesty and thoroughness. They were clear about the process and kept me updated at all times. I fe...

Annie Wuckert

Jan 26, 2026

Excellent legal representation provided by Dennis J. Quinn for my Ethics and Professional Responsibility Law case

Dennis J. Quinn is fantastic and very professional. Don't hesitate to hire them if you're in District of Columbia and need help. They really know their stuff and will go the extra mile to make sure yo...