Patrick G. Quick

Allen C. Schlinsog, Jr. is a shareholder, chair of the firm's Litigation Practice and chair of the Product Liability and Safety Practice Group. His practice focuses on defense of the pharmaceutical and medical device industry. Al has represented drug and device companies in significant class actions, product liability and mass tort proceedings. He also regularly defends catastrophic injury cases involving a wide variety of products in highly regulated industries, including mining equipment, c...

Jon Feldbruegge is a Shareholder in the Litigation and Risk Management Practice Group at von Briesen & Roper, s.c. He focuses his practice on construction litigation, fire and explosion litigation, insurance coverage and fiduciary litigation. Jon focuses on providing a creative approach to litigation. Since every case presents unique facts and legal issues, his pragmatic, sometimes outside the box, mentality helps achieve favorable results.

Douglas P. Dehler is a shareholder with O’Neil, Cannon, Hollman, DeJong & Laing S.C . in Milwaukee, Wisconsin. He leads the firm’s Class Action and False Claims Act practice and represents clients in complex litigation matters involving class actions, whistleblower (qui tam) claims, and insurance-related disputes. Mr. Dehler’s practice includes Litigation - Insurance, with experience representing healthcare providers and business clients in disputes involving health insu...

Timothy McDonald is a Shareholder in the Compensation & Benefits/ERISA Section. His practice focuses on health and welfare, corporate pension, 401(k), profit sharing, 403(b), executive compensation, nonqualified deferred compensation, employee stock ownership (including S corporation ESOPs), cafeteria, voluntary employees’ beneficiary association (VEBA), and flexible benefit programs. He works with publicly-traded and private for-profit businesses, tax-exempt entities, municipalitie...

Grant C. Killoran is a shareholder at O’Neil, Cannon, Hollman, DeJong & Laing SC in Milwaukee, Wisconsin, and previously served as Chair of the firm’s Litigation Practice Group . He represents clients in Wisconsin state and federal courts, as well as in courts throughout the United States, in complex business, health care, and employment disputes. His practice also includes arts and entertainment law, with a focus on matters involving the music industry. Grant’s recogniz...

John Sikora is a Shareholder representing clients in tax planning, tax controversies and the buying and selling of businesses and real estate with a particular focus on corporate, partnership and other business matters. John is an adjunct professor of law at Marquette University Law School, where he has taught the tax practice and procedure and corporate income tax courses. John has also taught the taxation of partnerships and S corporations course to graduate accounting degree candidates at ...

Robert D. Crivello is a lawyer recognized by Best Lawyers in the practice area of Personal Injury Litigation - Plaintiffs. Robert D. practices law in Brookfield, Wisconsin Best Lawyers has recognized Robert D. Crivello since 2019. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Robert D. Crivello is held by other lawyers.

Gregory W. Lyons represents businesses, individuals, trustees, personal representatives, and agents acting under powers of attorney in commercial litigation and other complex disputes. Based in Milwaukee, Wisconsin, Greg represents clients in both the prosecution and defense of matters involving contract disputes, tort disputes, business conflicts, and insurance coverage. Greg also represents clients in inheritance litigation, including will contests and trust and estate disputes throughout W...

Michael J. Gentry is a lawyer recognized by Best Lawyers in the practice areas of Employment Law - Management and Litigation - Labor and Employment. Michael J. practices law in Milwaukee, Wisconsin Best Lawyers has recognized Michael J. Gentry since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Michael J. Gentry is held by other lawyers.

Kristin Langhoff is a lawyer recognized by Best Lawyers in the practice areas of Construction Law, Land Use and Zoning Law and Real Estate Law. Kristin practices law in Milwaukee, Wisconsin Best Lawyers has recognized Kristin Langhoff since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Kristin Langhoff is held by other lawyers.