Sean M. Gaynor

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Sean 2022

Sean Gaynor is a litigation attorney who specializes in the representation of healthcare providers and other professionals in matters related to malpractice, general negligence, licensing boards, policy, and business issues. The variety of medical, dental and other professional related matters he has handled provide him the knowledge and experience to acutely assess each case, conduct efficient discovery and take cases to trial. Voted a Wisconsin Super Lawyer and Rising Star by his peers annually since 2008, Sean is consistently called upon to handle complex, difficult cases. Using his experience in medical malpractice, Sean has also built a robust practice representing other professionals including lawyers, IT professionals, architects, and accountants.

Healthcare and professional liability is complex, both legally and factually, and carries significant financial and personal exposure. Sean appreciates each of these aspects and strives to provide his clients a principled, well-planned, strongly executed defense. Sean prides himself on collaboration and ensures that his clients have an active say in how their respective matter is handled. A strong work ethic, professionalism, and quality work product are trademarks of Sean’s practice and culminate in his desire to achieve the results his clients seek.

In addition to his legal practice, Sean is active in numerous healthcare organizations and is a member of the Board of Directors of WSHRM (Wisconsin Society of Healthcare Risk Management). He has been invited to lecture both in Wisconsin and nationally before hospitals, physicians, medical/dental associations, insurance companies and lawyers regarding health care, dental and professional liability. He has co-authored articles on informed consent, changes to Wisconsin’s peer review and quality assurance statutes and the physician-patient relationship.


• State of Wisconsin
• United States District Court for the Eastern District of Wisconsin
• United States District Court for the Western District of Wisconsin
• United States District Court for the Northern District of Illinois
• United States District Court for the Southern District of Illinois
• Pro Hac Vice Admissions in Illinois, Minnesota, Iowa & Nevada

Sean M. Gaynor
Rated by Super Lawyers

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