Patrick J. Bitterman

Floyd Mandell is the national co-chair and founder of the firm's Intellectual Property department. He has represented some of the world’s most recognizable companies in intellectual property litigation. Few other lawyers have handled as many high-profile cases over the past 20 years involving copyrights, trademarks, trade secrets, trade dress, false advertising and defamation. He has been lead counsel in more than 40 published decisions, many involving novel or cutting-edge issues. On m...

Tamara A. Miller is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property and Trademark Law. Tamara A., who practices law in Chicago, Illinois, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Tamara A. is held by other top lawyers in the same geographic and legal practice area.

David J. Fischer is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law. David J., who practices law in Chicago, Illinois, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David J. is held by other top lawyers in the same geographic and legal practice area.

Matthew Olins is chair of Gould & Ratner’s Business Reorganization and Creditors’ Rights Practice and is a member of the Corporate Practice. Matt practices in the areas of business reorganization, commercial finance, creditors’ rights, restructuring and insolvency. Matt represents lenders, special servicers and various types of other creditors in loan workouts, business bankruptcy cases, commercial finance transactions, commercial foreclosures and litigation. He also rep...

Eleni Kouimelis is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law and Litigation - Environmental. Eleni, who practices law in Chicago, Illinois, has been recognized since 2009. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Eleni is held by other top lawyers in the same geographic and legal practice area.

Andrew S. May is a seasoned securities and commodities partner with decades of experience in navigating complex compliance issues, regulatory enforcement actions, and customer disputes, as well as industry disputes. As a true counselor to his clients, he prioritizes understanding their unique operations and challenges alongside the laws and regulations governing them. With over 25 years of experience in serving participants in the securities and futures industries, Andrew is well-equipped to ...

John Callahan advises clients on health sector mergers and acquisitions. Public companies, private equity firms, nonprofit health systems, academic institutions and governmental entities have trusted John to assist them in executing their most critical transactions. His unique focus on corporate and healthcare law drives an efficient and client-oriented approach to executing transactions. John is Head of International Health M&A for the Firm. Read full biography: https://www.mwe.com/peopl...

Drawing on nearly 40 years of combined experience as a federal prosecutor and defense attorney, Sheldon Zenner expertly navigates his clients through high-stakes matters, including government and internal investigations, regulatory proceedings, all phases of criminal matters and related civil litigation. Sheldon's diverse client base is made up of corporations, high-ranking executives and company owners across a wide range of industries, including financial services, health care and entertain...

Timothy R. Farrell is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Timothy R., who practices law in Chicago, Illinois, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Timothy R. is held by other top lawyers in the same geographic and legal practice area.

Charles Helsten is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law. Charles, who practices law in Rockford, Illinois, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Charles is held by other top lawyers in the same geographic and legal practice area.