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Pursuing Wisconsin Denis Regan
Denis Regan

Denis Regan

Partner/Attorney at Gimbel, Reilly, Guerin & Brown LLP

40 years of experience

Business Law, Estate Planning, Real Estate Law



Providing thoughtful and deliberate care to his client’s needs, Denis handles a variety of practice areas, including real estate, business law, estate and succession planning, and probate. The most enjoyable thing about his practice is the diversity of people he is able to help. “I truly enjoy working and interacting with people and helping them to realize the best possible solutions for their needs. It not only makes my job interesting but also very rewarding,” Denis reflects. Since joining Gimbel, Reilly, Guerin & Brown LLP in 1986, Denis has represented many organizations in a wide variety of business areas. His clients appreciate his straightforward and honest advice, designed to avoid or resolve legal difficulties. Denis also brings a creative and practical approach to estate planning, utilizing his knowledge and common sense ideas to assist clients in the development of plans to distribute assets in a suitable and effective manner. His goal is to draft estate plans that are not only understandable to the client but also minimize estate taxes, establish trusts to benefit children, and address practical concerns. Denis is very effective in dealing with difficult family situations from a planning perspective or probate dispute scenario. And, he provides a common sense approach to litigation involving family disputes as they pertain to contesting wills and family trusts. View More ›


Credit Cards Accepted

Practice Area

Business Law
Business Contracts, Business Dissolution, Business Finance, Business Formation, Business Litigation, Franchising, Mergers & Acquisitions, Partnership & Shareholder Disputes,
Estate Planning
Guardianship & Conservatorship Estate Administration, Health Care Directives, Trusts, Wills,
Real Estate Law
Commercial Real Estate, Condominiums, Easements, Eminent Domain, Homeowners Association, Land Use & Zoning, Mortgages, Neighbor Disputes, Residential Real Estate, Water Law,


English: Spoken, Written

Professional Experience

Gimbel, Reilly, Guerin & Brown LLP
1986 - Current


Marquette University Law School

J.D. (1982)

Marquette University Law School
Marquette University

B.A. (1979)

Marquette University


Peer Review Rated
Top Attorney

Professional Associations

Wisconsin State Bar # 1003993



Wisconsin State Bar  # 1003993

Websites & Blogs

Social Media


Gimbel, Reilly, Guerin & Brown LLP
330 East Kilbourn Avenue Suite 1170 Milwaukee, WI 53202
Telephone: (414) 271-1440
Fax: (414) 271-7680

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