William Niro

Lance Zinman, global chair of Katten's Financial Markets and Funds practice, provides comprehensive legal services to asset managers, proprietary trading firms and other participants in the financial markets in need of a single advisor to assist with all aspects of their business. His unique skill set combines a deep understanding of corporate, regulatory, intellectual property and tax law with broad knowledge of the securities and derivatives markets. Using his extensive experience with thes...

Matthew Antinossi's practice includes all ERISA-related areas, and he has extensive experience with the employee benefits aspects of mergers, acquisitions and divestitures, including ESOP transactions. In addition to his transactional practice, Matthew is frequently involved in representing debtors in the employee benefits aspects of bankruptcy, insolvency and restructuring. Such representations frequently involve resolution of complex ERISA Title IV issues. A significant portion of Matthew's...

Felicia Gerber Perlman represents clients in a variety of complex business reorganizations, debt restructurings and insolvency matters. Ms. Perlman has advised debtors, creditors, lenders, investors, sellers, purchasers and other parties-in-interest in all stages of restructuring transactions from Chapter 11 reorganizations to out-of-court negotiations, workouts and acquisitions. She is a frequent speaker on bankruptcy topics. In addition, she has been recognized in Turnarounds & Workouts...

Claudia Stangle is a lawyer recognized by Best Lawyers in the practice areas of Litigation - Intellectual Property and Trademark Law. Claudia practices law in Chicago, Illinois Best Lawyers has recognized Claudia Stangle since 2027. 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 Claudia Stangle is held by other lawyers.

Veteran attorney Michael Elam brings more than three decades of experience in environmental, energy, infrastructure and natural resource law in both the private and public sectors. He structures creative agreements and helps secure approvals and financing for complex national and international agreements involving the development, remediation and financing of environmentally challenged or controversial projects surrounding energy and sensitive water bodies or sources. Michael represents busin...

Catherine (Cate) A. Battin represents clients in state and local tax controversies at the audit, administrative and judicial levels in numerous jurisdictions. She provides national state tax strategies for clients on a full range of state tax issues, including income tax apportionment, nexus, combination and sales tax characterization of products and services. She has defended numerous internet sellers in cases brought under the Illinois False Claims Act alleging fraudulent failures to collec...

Ruth A. Bahe-Jachna has more than 30 years of experience working on and managing large-scale litigation matters, including numerous MDL proceedings. She regularly defends clients in class actions and product liability and consumer fraud litigation in state and federal courts, as well as in employment-related class actions and FLSA collective actions. Her experience includes the representation of telecommunications clients, including a major U.S. trade association representing wireless manufac...

Michael A. Warner, Jr. is a lawyer recognized by Best Lawyers in the practice areas of Employment Law - Management, Labor Law - Management and Litigation - Labor and Employment. Michael A. practices law in Chicago, Illinois Best Lawyers has recognized Michael A. Warner, Jr. since 2012. 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 A. Warner, Jr. i...

David R. Doyle is a lawyer recognized by Best Lawyers in the practice area of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law. David R. practices law in Chicago, Illinois Best Lawyers has recognized David R. Doyle since 2025. 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 David R. Doyle is held by other lawyers.

Marc R. Fisher is a lawyer recognized by Best Lawyers in the practice area of Family Law. Marc R. practices law in Bannockburn, Illinois Best Lawyers has recognized Marc R. Fisher since 2018. 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 Marc R. Fisher is held by other lawyers.