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

1,061 Profile Views

Bob Hilpert

Jan 26, 2026

Would recommend Dennis J. Quinn for sure to anyone in Washington needing legal help

Dennis J. Quinn has been doing this since Recognized in Best Lawyers since 2021, and it definitely shows in their work. They're pros through and through and I wouldn't trust anyone else with my legal...

Elias Mills

Jan 26, 2026

Outstanding experience with Dennis J. Quinn in Washington - truly the best legal team

I didn't think I'd find such a good lawyer in District of Columbia, but here we are and I am thoroughly impressed. Dennis J. Quinn is just awesome and exceeded all my expectations. No complaints at al...

Edward Schroeder

Jan 26, 2026

A huge weight off my shoulders thanks to the amazing work of Dennis J. Quinn

I wasn't sure who to call for my Ethics and Professional Responsibility Law problem, but I'm so glad I went with Dennis J. Quinn. They really listened to me and understood my situation. It was such a...

Calvin Swaniawski

Jan 26, 2026

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

Amy Rodriguez

Jan 26, 2026

Solid work and professional service from Dennis J. Quinn in Washington for District of Columbia residents

Solid experience overall with the law firm of Dennis J. Quinn. They know Ethics and Professional Responsibility Law inside and out and gave me great advice. Very helpful and got the job done exactly a...