Donald J. Jacquart

Mike Wirth is a Shareholder in the Litigation and Risk Management Practice Group at von Briesen & Roper, s.c. Mike is a seasoned trial attorney with more than 30 jury trials across Wisconsin. He focuses his practice on professional liability, insurance coverage litigation and appellate representation. Mike has extensive experience handling professional liability claims against attorneys, law firms, accountants, accounting firms and medical professionals. His insurance coverage practice in...

Robert J. Heath is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law. Robert J., who practices law in Milwaukee, Wisconsin, has been recognized since 2003. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Robert J. is held by other top lawyers in the same geographic and legal practice area.

Sumeeta Krishnaney is a member of the Trusts and Estates Section at von Briesen & Roper, s.c. She concentrates her practice on estate planning, including special needs planning and guardianships, charitable estate planning and business succession planning. She focuses on the preparation of trusts, including first and third party special needs trusts, wills, marital agreements, financial powers of attorney, and healthcare powers of attorney. She represents clients in all matters relating t...

Paul J. Stockhausen is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property. Paul J., who practices law in Milwaukee, Wisconsin, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Paul J. is held by other top lawyers in the same geographic and legal practice area.

Jeffrey Fertl has wide-ranging trial and appellate litigation practice. He has handled numerous commercial class actions and personal injury cases, and has substantial experience in the handling of products liability and warranty matters. Mr. Fertl has represented Subaru, Mitsubishi and Mitsubishi Heavy Industries, Volkswagen A.G., Volkswagen Group of America, Volvo Trucks of North America, Mack Trucks, Black & Decker, General Electric, Mazda, Porsche, Gulf Stream Coach, Toro Company, Pac...

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

Joe is the chair of the firm’s Litigation Practice Group. He manages a variety of complex cases involving software class actions, real estate, products liability, banking, intellectual property, and anti-trust matters. He has extensive experience representing both large and small plaintiffs and defendants in challenging civil litigation. He has been selected as a member of the Wisconsin Super Lawyers for six years in a row. Prior to joining O’Neil Cannon, Joe was an associate at t...

Shareholder Michael J. Cohen has more than 25 years of experience in complex commercial litigation in federal and state courts. His proven record of numerous favorable verdicts at the trial and appellate levels has earned him a reputation as one of Wisconsin’s preeminent business litigators. For many years, Mike has been recognized by members of the Wisconsin bar and judiciary as one of the top lawyers in the state. Mike concentrates his practice on complex commercial litigation includi...

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.

Randy Nelson is a Shareholder focusing his practice on estate planning, advising family businesses, tax planning, trust administration and probate. He is a Certified Public Accountant and was an Adjunct Professor at Marquette University Law School where he taught estate planning for over 30 years. He is a frequent speaker at continuing education courses for lawyers and CPAs on the subjects of estate planning and tax planning. He is the author of the chapter “Estate Planning for Owners o...