O’Neil Cannon is pleased to announce that Dino Antonopoulos, founder of Antonopoulos Legal Group, is bringing ALG’s successful practice to O’Neil Cannon. Antonopoulos, a highly respected attorney known for his client-centered approach and dedication, will be a great addition to O’Neil Cannon’s Business and Real Estate Practice Groups. With almost 20 years in the legal […]
The recent Tax Court case Estate of Anne Milner Fields v. Commissioner underscores the risks involved when transferring assets to a family limited partnership or family limited liability company close to death. Approximately a month before Anne Milner Fields died, her great-nephew and agent under her durable power of attorney transferred $17 million of assets […]
Each year, Super Lawyers surveys the State of Wisconsin’s 15,000 attorneys and judges, seeking the State’s top attorneys. Recently, Super Lawyers published its lists for 2024, which include the Top 10 Attorneys in Wisconsin, Top 50 Attorneys in Wisconsin, Top 25 Attorneys in Milwaukee, Super Lawyers (consisting of the top 5% of attorneys in Wisconsin), and Rising Stars (consisting […]
O’Neil Cannon has been recognized regionally in the 2025 edition of Best Law Firms®, ranked by Best Lawyers, in 18 practice areas, including two newly added categories: Litigation – Health Care, and Litigation – Real Estate. Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law Business Organizations (including LLCs and Partnerships) Commercial Litigation Construction […]
Construction lien waivers are an indispensable part of the traditional construction payment process, allowing parties to waive their right to file a lien in exchange for payment. Among these waivers, conditional lien waivers represent a specific type that becomes effective only once payment has been received or certain conditions have been met. However, depending on […]
Recently, attorneys Steve Slawinski and John Gehringer were named in the Wisconsin Law Journal’s Power List for Real Estate and Construction Law Attorneys. See their recognition below.
Attorney Maura Falk, a graduate of the University of Wisconsin Law School, has joined O’Neil Cannon’s Family Law Practice Group. Falk focuses on helping her clients navigate the complexities of divorce, custody disputes, and other family-related legal issues. With prior experience in criminal defense, civil litigation, and a judicial internship at the Wisconsin Supreme Court, Falk […]
When high-net-worth individuals and families incorporate charitable giving into their estate planning, they often consider donor-advised funds and private foundations as vehicles for managing their philanthropy. Both options have unique advantages, and the choice depends on the donor’s goals, level of control, and financial considerations. Donor-advised funds are like charitable savings accounts. Donors contribute to […]
Attorney Greg Lyons was recently honored, along with others, for his heroic actions in saving the life of West Bend Alderman Mark Allen who suffered a cardiac arrest. Without hesitation, Lyons stepped in and performed CPR, stabilizing the situation until paramedics arrived. As the leader of the firm’s safety response team, Lyons actively promotes CPR […]

