James A. Walcheske

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 ...

William R. Cummings is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. William R., who practices law in Milwaukee, Wisconsin, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which William R. is held by other top lawyers in the same geographic and legal practice area.

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...

Andrew Christman is a Shareholder in the Litigation and Risk Management Practice Group at von Briesen & Roper, s.c. He has extensive litigation experience involving matters in numerous state and federal courts across the country. He focuses his practice on toxic tort, product liability, premises liability, and insurance litigation. Andrew also has experience in construction litigation, professional liability, and appellate litigation. Andrew helps clients develop, maintain and implement d...

Danny is an equity shareholder and a member of the firm’s Board of Directors. Danny represents public and private manufacturers of products on a national basis in both commercial and product liability litigation and regulatory compliance. In addition, Danny represents construction companies and contractors in liability litigation. In this capacity, he defends wrongful death, catastrophic injury, and significant property damage cases, whether arising from fires and explosions, roll-overs...

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

Keith E. Kopplin is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Keith E., who practices law in Milwaukee, Wisconsin, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Keith E. is held by other top lawyers in the same geographic and legal practice area.

Overview As a shareholder in Reinhart’s Corporate Law and International Practices and member of the firm’s multidisciplinary Commercial and Competition Law Group, Catherine L. Davies has an extensive business law practice focused on international and domestic transactional matters. Cathy works closely with clients on purchase and sale transactions, joint ventures, distributor and sales representative agreements and other commercial issues. Cathy is also a member of the White Colla...

James Barton is the founding shareholder of Barton Legal S.C. Mr. Barton was formerly a partner at Hansen Reynolds LLC—a premier litigation boutique with offices in three states. Prior to his time at Hansen Reynolds, Mr. Barton was an associate in the litigation practice group at Michael Best & Friedrich LLP, one of Wisconsin’s oldest and largest law firms. Mr. Barton concentrates his practice on aggressively litigating complex commercial disputes venued in state and federal c...

Robert L. Jaskulski is a shareholder at the law firm, practicing in the firm’s Milwaukee, Waukesha and West Bend offices, and is managing partner of the firm’s Waukesha office. Mr. Jaskulski’s emphasis of law practice is personal injury litigation throughout the State of Wisconsin and the United States. Mr. Jaskulski’s practice involves a wide range of cases, including medical malpractice, products liability, insurance bad faith and motor vehicle accidents. Mr. Jaskuls...