Wyon F. Wiegratz

Steve Nelson is a Shareholder in the Litigation and Risk Management Practice Group. Steve has extensive experience in litigation and concentrates his practice in commercial litigation including construction, civil and business, contracts and lease disputes, toxic tort, OSHA counseling and citation defense, personal injury defense, product liability, professional liability defense and Wisconsin fair dealership law. He has litigated on behalf of clients involved in complex construction matters ...

Christopher Hanewicz is a partner in the Patent Litigation and Intellectual Property Litigation practices. He has been involved in complex intellectual property litigations concerning both biotechnology and mechanical patents. He has extensive patent litigation trial experience, as well as experience in the U.S. Court of Appeals for the Federal Circuit. While Christopher’s practice includes experience across all of the major patent litigation dockets (e.g., N.D. Cal., C.D. Cal., E.D. Te...

Wendy S. Rusch is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Wendy S., who practices law in Waukesha, Wisconsin, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Wendy S. is held by other top lawyers in the same geographic and legal practice area.

William Keeler is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Litigation - Construction, Mass Tort Litigation / Class Actions - Defendants and Product Liability Litigation - Defendants. William, 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 William is held by other top lawyers in the same geographic and legal practice a...

Jason leads O’Neil Cannon’s Corporate Practice Group. He advises and represents individuals, businesses, and banks on a variety of corporate, banking, and business-related issues, including mergers and acquisitions, commercial loan transactions, corporate issues, contract negotiation and preparation, and business entity selection and formation. Jason Assists Clients With Mergers and acquisitions Complex commercial loan transactions for lenders and borrowers Corporate matters, incl...

David M. Sanders is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. David M., 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 David M. is held by other top lawyers in the same geographic and legal practice area.

Pamela J. Tillman’s practice focuses on representing a wide variety of businesses in litigation matters, primarily in the areas of complex insurance coverage issues, commercial litigation, mortgage lending disputes, employment disputes and health care liability. Whatever the issue, she believes that it is paramount to have the experience and understanding to advise clients on the possible outcomes and costs of litigation so that clients have a comprehensive viewpoint to make the strateg...

My practice emphasizes personal injury, medical and legal malpractice, bad faith insurance claims and business litigation. I have extensive litigation experience in the State and Federal Courts of Wisconsin and have practiced in many courts outside Wisconsin. Prior to becoming an attorney, I was a pharmacist for five years. I love to golf. I'm practicing as much as I can because someday, you never know, I might be playing on the senior tour. My wife and I have three grown children and two you...

Dev Baumbach is a Shareholder in the Madison office of von Briesen & Roper, s.c. He has more than 20 years of experience representing clients in commercial litigation, business, construction, real estate and employment matters. Specific experience includes: Litigating business, construction and other commercial disputes, including state and federal trial and appellate litigation. Assisting contractors and subcontractors with drafting, reviewing and negotiating construction contracts, cons...

John Rocco is a Shareholder in the Litigation and Risk Management Practice Group. John serves as national, regional and local counsel for a number of corporations, providing legal services in the areas of toxic tort and product liability defense, contractual indemnity, insurance placement and insurance coverage, commercial litigation, risk management and due diligence investigations. He manages and directs the work performed by lawyers and law firms on behalf of many of these corporations acr...