David J. Kates

Brian Sieve, a Fellow in the American College of Trial Lawyers, is an experienced trial lawyer. Praised for his ability to communicate with a jury and to present complex issues clearly and simply, he has tried more than thirty-five jury trials, bench trials, arbitrations, injunction proceedings, Markman hearings and evidentiary hearings. Brian was distinguished as one of The Best Lawyers in America, U.S. News and World Report, Best Lawyers® for 2013–2023 in the field of commercial l...

Bill provides strategic counsel to numerous clients regarding the development, protection and monetization of sophisticated global intellectual property portfolios. His practice includes a wide array of intellectual property matters with a particular emphasis portfolio management and long-term portfolio strategy development, management of defense and enforcement actions, infringement and clearance analyses, technology agreements, licenses and transfers, and strategic guidance on significant c...

Michael (Mike) J. Sorrow focuses his practice on tax, estate planning, family business and trust and estate administration matters. Mike regularly advises wealthy individuals and families on all aspects of wealth and tax planning matters. In addition, Mike works extensively with families that control significant public and private businesses, counseling them and their family offices on matters relating to effective tax planning, succession and governance planning and the intra-family issues t...

Gabor Balassa is a senior litigation partner and trial lawyer. Gabor has successfully tried significant commercial disputes in federal and state courts and in arbitrations across the country, including in New York, Chicago, Dallas, Houston, Pittsburgh, Tampa, and Wilmington. He represents a diverse client base, ranging from big-four accounting firms, to oil & gas, telecommunications, and pharmaceutical companies, to private-equity firms. Gabor’s broad experience encompasses class ac...

As a partner in the Intellectual Property practice group, Jeff focuses his work on patent litigation and strategic counseling related to pharmaceutical, chemical, biotechnology, electrical engineering, agricultural and food products. A registered patent attorney with four decades of experience, Jeff has successfully represented both patent owners and patent challengers through all stages of federal litigation and appeals. A significant portion of Jeff’s practice includes advising pharma...

Patrick J. Arnold, Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property, Patent Law and Trademark Law. Patrick J., who practices law in Chicago, Illinois, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Patrick J. is held by other top lawyers in the same geographic and legal practice area.

Steven J. Pearlman is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Steven 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 Steven J. is held by other top lawyers in the same geographic and legal practice area.

As a sought-after transactional and regulatory advisor, Patrick J. Martinez has built his practice on executing complex healthcare acquisitions and joint ventures. He represents private equity firms and their platform companies in the acquisition and divestiture of for-profit healthcare companies, as well as provider-to-provider deals. Read full biography: https://www.mwe.com/people/patrick-j-martinez/

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

A member of Winston’s Executive Committee and winner of Best Lawyers’ “Lawyer of the Year” honor for securities and capital markets work in Chicago, Bruce represents clients in a variety of securities and financial matters, advising major corporations on their M&A transactions, debt offerings and other key capital market strategies and governance matters. Please read more here: https://www.winston.com/en/who-we-are/professionals/toth-bruce-a.html