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

1,068 Profile Views

Jeremiah Mann

Jan 26, 2026

Simply amazing representation from Dennis J. Quinn's office during my recent legal matter

I was really stressed about my case in Washington, but Dennis J. Quinn made everything so smooth and stress-free. Seriously, the best decision I've made lately was hiring them. They handled every deta...

Jerald Predovic

Jan 26, 2026

Many thanks to Dennis J. Quinn for the hard work and dedication to my legal matter

If you need a Ethics and Professional Responsibility Law lawyer, Dennis J. Quinn is the one to call. Great job and very responsive team. They kept me in the loop and always had time to explain the det...