Kathryn "Katie" Muldoon

Doris Brosnan is a Shareholder in the firm’s Labor and Employment Law Section, and focuses on assisting clients with employment issues. Doris regularly advises health care and corporate clients on dealing with disloyal or difficult employees, accommodating disabilities in the workplace, harassment, workplace violence, FMLA, and the development of effective employment policies and practices. She regularly assists clients in preparing and implementing employee transition plans, including ...

Dave Cisar Co-Chairs the Banking and Commercial Finance Section. He draws on his 35 years of experience to counsel businesses on governance, financing, contracting, real estate, acquisitions and strategic planning. Dave has a strong focus on the Uniform Commercial Code (“UCC”) and represents financial institutions and businesses in all aspects of commercial finance and other commercial transactions including terms and conditions of sales, commercial loan agreements, inter-creditor...

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 ...

Doug Dehler is a shareholder with the law firm of O’Neil, Cannon, Hollman, DeJong & Laing S.C., where he leads the firm’s Class Action and False Claims Act practice. Mr. Dehler’s practice focuses primarily on high-stakes, complex litigation, including class action lawsuits and whistleblower (qui tam) cases. Mr. Dehler also represents healthcare providers and business clients in insurance matters, including disputes with health insurance companies and managed care payors....

Jon and his firm have handled every kind of injury case you can imagine: auto and motorcycle collisions, product liability, civil litigation, nursing home neglect, bicycle and pedestrian accidents, and animal attacks.

Brian G. Carroll is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Real Estate Law. Brian G., who practices law in Waukesha, Wisconsin, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brian G. is held by other top lawyers in the same geographic and legal practice area.

Oyvind Wistrom is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Oyvind, who practices law in Milwaukee, Wisconsin, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Oyvind is held by other top lawyers in the same geographic and legal practice area.

Leila Sahar is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Leila, who practices law in Milwaukee, Wisconsin, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Leila is held by other top lawyers in the same geographic and legal practice area.

Anthony J. Handzlik is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Anthony J., who practices law in Milwaukee, Wisconsin, has been recognized since 2012. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Anthony J. is held by other top lawyers in the same geographic and legal practice area.

Terry Johnson is a Shareholder and Chair of the firm’s Professional Liability Section. Terry has tried hundreds of cases to a verdict in matters ranging from complex legal malpractice cases to major construction defect disputes to major personal injury actions. Terry has had an impact in the development of Wisconsin law through appellate work in a wide spectrum of areas. Terry was asked to serve by the Chief Justice of the Wisconsin Supreme Court on the Office of Lawyer Regulation (&ldq...