Thomas J. Chmielnik

Pat Bergin is a registered Patent Attorney with the United States Patent and Trademark Office. He is the chair of the Information Technology, Data Privacy and Security Section at von Briesen & Roper, s.c. and regularly assists clients with a broad range of intellectual property issues with an emphasis on domestic and international intellectual property procurement, including: drafting and prosecuting utility and design patent applications in the mechanical, electro-mechanical and medical ...

Chris Koehnke is a Shareholder at von Briesen & Roper, s.c. focusing on restructuring, insolvency, and commercial litigation. Chris represents lenders and other creditors with respect to the following: Representing secured creditors and other lenders in all stages of bankruptcy litigation Representing creditors in State Court Chapter 128 receivership proceedings, including issues related to lien priority, asset disposition, and settlement of preference claims Guiding clients through the p...

Jeff Mark is a Shareholder in the Health and Business Sections at von Briesen & Roper, s.c. Jeff has extensive experience advising hospitals, multi-institutional health care systems, physician groups and specialty providers regarding a variety of transactional health care related matters including affiliations, joint ventures, acquisitions and divestitures; fraud and abuse; Stark; physician agreements; and equipment and office space leasing arrangements. In addition, Jeff represents clien...

Laurie McLeRoy is a Shareholder in the Litigation and Risk Management Practice Group. She focuses her civil litigation practice in the areas of insurance litigation (including bad faith), medical malpractice, nursing home, municipal, transportation, premises, and products liability. In products liability defense matters, Laurie has particular expertise in asbestos litigation. In addition to her trial experience in Wisconsin, where she has successfully argued in front of the Wisconsin Supreme ...

Margaret T. Lund is a top attorney recognized by Best Lawyers in the practice area(s) of Business Organizations (including LLCs and Partnerships) and Closely Held Companies and Family Businesses Law. Margaret T., who practices law in Milwaukee, Wisconsin, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Margaret T. is held by other top lawyers in the same geographic and legal practice area.

Tom Myers is a Shareholder in the Business Practice Group. Tom focuses his practice on mergers and acquisitions, succession planning, executive compensation, ESOP transactions, business counseling, corporate finance and taxation. He represents manufacturers, distributors, large retailers, software companies, mezzanine lenders, private equity sponsors and financial institutions. Tom has served as lead attorney for both sellers and buyers of businesses and has many years of effective service in...

Chris Duesing is a shareholder with the firm and the managing partner of its Lake Geneva office. His practice features civil litigation matters in all types of personal injury cases including motor vehicle accidents, boating accidents, contractor negligence, injuries from animals, slip and fall accidents and other third-party liability claims. Chris has conducted multiple jury trials throughout the State of Wisconsin and has argued before the Wisconsin Supreme Court. Chris has been named as a...

Background Mr. Prachthauser was born in Milwaukee, Wisconsin, on January 7, 1951. Prior to joining the firm, he was House Counsel for Employers Insurance of Wausau. He is married to Joan Marie, and they reside in Hartland, Wisconsin. He has two daughters, Emily and Tracy. Lectures Mr. Prachthauser is a frequent presenter and speaker for the State Bar of Wisconsin, American Board of Trial Advocates, and Wisconsin Academy of Trial Lawyers. He has been a Civil Trial Practice Instructor at the Un...

Larri J. Broomfield is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Health Care Law. Larri J., who practices law in Milwaukee, Wisconsin, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Larri J. is held by other top lawyers in the same geographic and legal practice area.

Erin V. Boyd is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Erin V., who practices law in Fox Point, Wisconsin, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Erin V. is held by other top lawyers in the same geographic and legal practice area.