W. Patrick Sullivan

W. Patrick Sullivan

Attorney Profile

Top Rated Professional Liability Attorney in Milwaukee, WI

Siesennop & Sullivan, LLP
 | 111 W. Pleasant Street, Suite 110
Milwaukee, WI 53212
Phone: 414-223-7900
Fax: 414-223-1199
Selected To Super Lawyers: 2006 - 2007, 2017 - 2019
Licensed Since: 1984
Practice Areas:
  • Professional Liability: Defense (40%),
  • Personal Injury - Medical Malpractice: Defense (40%),
  • Employment Litigation: Defense (20%)
Attorney Profile
Pat Sullivan represents professional health-care providers, including doctors, dentists, nurses, and nursing homes, in malpractice claims and in matters pending before professional licensing boards. His experience includes successful jury trials in numerous counties throughout Wisconsin, as well as several hearings before the Department of Regulation and Licensing. He graduated from Tufts University (B.A.), Columbia University (M.A.) and Marquette Law School (with honors). He also defends health-care providers and clinics against employment discrimination claims before the ERD and the EEOC. He is a frequent presenter at risk management seminars for health-care providers across Wisconsin.

About Patrick Sullivan

Admitted: 1984, Wisconsin

Professional Webpage: http://www.siesennopsullivan.com/w.-patrick-sullivan.html


  • Pat Sullivan was selected by his peers for inclusion in The Best Lawyers in America for 2013., Best Lawyers in America


  • Pat sullivan recently secured a no liability jury verdict in a trial in the U.s. District Court for the Western District of Wisconsin in a wrongful death suit against an RN alleging deliberate indifferance to a jail inmate's serious medical need (seizure)., 2013

Representative Clients:

  • Pat sullivan defends professional healthcare providers including MDs, dentists, nurses, skilled nursing homes and assisted living facilities in cases alleging negligent care.

Other Outstanding Achievements:

  • Pat sullivan is a frequent presenter and invioted speaker at Marquette University School of Dentistry and at the Wisconsin Dental Association's annual meeting and other risk management seminars.

Educational Background:

  • Pat Sullivan received his BA from Tufts University in 1976, his MA from Columbia University in 1977, and his JD, with honors, from Marquette Law in 1984.

Industry Groups

  • AMDA
  • DRI
  • WALA
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Office Location for W. Patrick Sullivan

111 W. Pleasant Street
Suite 110
Milwaukee, WI 53212

W. Patrick Sullivan:

Last Updated: 4/10/2019

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