Joseph Poehlmann

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 ...

David J. Sisson is a shareholder in the firm’s Litigation and Labor and Employment Practices. David solves problems that arise when critical personal business relationships end. These include disputes involving departing key employees and shareholders in closely held corporations and others who owe fiduciary duties. Controversies often develop at the conclusion of these relationships regarding what may be owned by, or owed to, the respective parties. A departing employee may try to esta...

Daniel P. Cooper is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Tax Law. Daniel P., who practices law in Milwaukee, Wisconsin, has been recognized since 2009. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Daniel P. is held by other top lawyers in the same geographic and legal practice area.

John Sikora is a Shareholder representing clients in tax planning, tax controversies and the buying and selling of businesses and real estate with a particular focus on corporate, partnership and other business matters. John is an adjunct professor of law at Marquette University Law School, where he has taught the tax practice and procedure and corporate income tax courses. John has also taught the taxation of partnerships and S corporations course to graduate accounting degree candidates at ...

Thomas Schrimpf has an extensive commercial litigation and appellate practice that emphasizes issues involving insurance coverage, employment and environmental law. Insurance Coverage: Mr. Schrimpf is experienced in the review and analysis of complex coverage issues concerning commercial and personal lines liability insurance and environmental claims. He has prosecuted and defended insurance coverage litigation relative to commercial claims, construction, environmental and toxic torts. Employ...

Jesse B. Blocher is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. Jesse B., who practices law in Waukesha, Wisconsin, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jesse B. is held by other top lawyers in the same geographic and legal practice area.

Attorney Aislinn M. Penkwitz is a Partner at Nelson, Krueger & Millenbach LLC in Milwaukee, Wisconsin, where she represents individuals and families in a wide range of family law matters. Her practice includes divorce, post-judgment disputes and modifications, paternity actions, child custody and placement matters, child support issues, restraining orders, and guardian ad litem appointments. She works closely with clients to address both the legal and practical concerns that often arise i...

Michael J. Gentry is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Michael J., who practices law in Milwaukee, Wisconsin, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael J. is held by other top lawyers in the same geographic and legal practice area.

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...

Troy A. Hilliard is a shareholder in Reinhart’s Corporate Law Practice and co-chair of the firm’s Commercial and Competition Law Group. He serves a wide range of manufacturing, service, and technology companies. With more than 20 years of legal experience, Troy assists clients in the negotiation of supply and distribution agreements, license agreements, and in other general corporate matters. In addition to a law degree, Troy has a business background which provides him with a uni...