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About the Practice

Brennan Law, L.L.C. is a private legal practice focused on the defense of individuals and business entities in criminal and regulatory proceedings at the state and federal levels, both within and outside the state of Wisconsin.

Patrick C. Brennan


During the course of his 28-year legal career, Attorney Patrick Cavanaugh Brennan has represented hundreds of individuals and business entities and participated in some of the most high-profile criminal cases in the state of Wisconsin. He is listed in the publication Best Lawyers in America, and has consistently been named to Milwaukee Magazine's Top Attorneys in Wisconsin.

Awards & Honors

Top-Rated Criminal Defense Attorney in Milwaukee - Super Lawyers


"Patrick Brennan is one of the top-rated Criminal Defense Attorneys in Milwaukee, WI. He has met the stringent Super Lawyers selection criteria."

Jury Finds Couple who Voted Twice Not Guilty of Election Fraud


"A Milwaukee couple wept and hugged their lawyers Wednesday after a jury found them not guilty of election fraud for voting twice in the 2008 presidential election."

Contact Information

(414) 763-4200


Brennan Law, L.L.C.
1110 Old World 3rd Street

Suite 200
Milwaukee, WI 53203



Areas of Practice

Criminal Defense​

White Collar Criminal Defense​

Regulatory / Compliance Proceedings

Civil Litigation