Ronald M. Trachtenberg

Michelle Umberger is a partner in the Patent Litigation and Intellectual Property Litigation practices. A registered patent attorney, she has focused her practice exclusively on intellectual property litigation for more than a decade. Michelle manages complex, high-stakes cases involving a wide range of technologies, including patents relating to microprocessors, medical devices, antibody libraries, genetically-engineered plants and mechanical devices. She represents both established internat...

As a former three-term District Attorney in Dane County, Hal Harlowe’s familiarity with the complex operations of our legal system gives him an invaluable advantage in defending clients. His trial experience includes representing defendants in juvenile and criminal defense cases, defending licensed professionals in disciplinary matters, and litigating civil matters such as personal injury, contract disputes, real estate and guardianship cases. Having led countless investigations himself...

Attorney Mark P. Maciolek is of counsel to Maciolek Law Group’s Dane County office. In practice since 2005,his practice is primarily focused on criminal defense in Wisconsin state and federal courts. Mark P. Maciolek handles trials and appeals. s. He also has a civil litigation practice, representing clients in trials and appeals in state and federal civil matters. Attorney Mark Maciolek has successfully defended clients against white-collar crimes, firearms crimes, and drug crimes. He ...

As a member of the firm, Stroud Willink & Howard, LLC , Peter has focused his practice on business litigation and all types of employment related matters. He regularly advises businesses and individuals in their business affairs, and he has represented clients in state and federal court, as well as before the Equal Employment Opportunities Commission, Wisconsin Department of Workforce Development, and the Wisconsin Employment Relations Commission. Peter has assisted clients in matters inv...

Attorney Glorily A. López exclusively practices U.S. immigration and nationality law, assisting individuals, families, corporate clients, students, and members of the LGBTQ community. Her experience includes extensive work with individual, family, employment, and business-based petitions, as well as consular processing, naturalization, citizenship, and removal defense. Attorney López has earned a solid reputation as one of the top immigration attorneys in Wisconsin and nationall...

Quentin Shafer is a Shareholder in the firm’s Litigation and Risk Management Practice Group. He focuses his practice on civil litigation, construction litigation, product liability, wrongful death, insurance coverage disputes, and third-party recovery. He has successfully defended hundreds of cases throughout Wisconsin as well as in federal court, including catastrophic bodily injury cases, wrongful death claims, and complex construction defect litigation. Quentin is also experienced in...

John H. Bradley is a top attorney recognized by Best Lawyers in the practice area(s) of Civil Rights Law and Criminal Defense: General Practice. John H., who practices law in Madison, Wisconsin, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John H. is held by other top lawyers in the same geographic and legal practice area.

Timothy W. Burns is a partner at Perkins Coie LLP. He is the former co-chair of the Insurance Coverage Litigation Committee of the American Bar Association. Mr. Burns has been favorably ranked nationally for 18 years in Insurance: Dispute Resolution: Policyholder in Chambers USA: America's Leading Lawyers for Business (2006-2023). According to the publication, Mr. Burns "shines brightly in the sensitive and complex area of D&O [directors' and officers'] insurance," and corporate interview...

Megan Jerabek is a Shareholder, the Co-Chair of the Trusts and Estates Section, Chair of the Sports Law Section and a member of the firm’s Business, Tax and Real Estate Sections. Her practice focuses on estate planning, trust and estate administration, business succession planning, real estate leasing and business transactions. She also represents current and former professional athletes on a variety of matters, including real estate, business formation and transactions, and estate plan...

Robert J. Lightfoot is a top attorney recognized by Best Lawyers in the practice area(s) of Elder Law and Health Care Law. Robert J., who practices law in Madison, Wisconsin, has been recognized since 2010. 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.