Mark Sobczak

For the past two decades, Mike has been assisting clients develop and defend their patent portfolios. A former Army officer and Ford Motor Company design engineer, clients appreciate Mike’s organized approach to problems and his ability to communicate with inventors across a wide swath of technologies. Mike is a full spectrum patent attorney and is himself a patentee. On the prosecution side, Mike has procured patents in nearly every art group other than bio/pharma and has an almost per...

Gary I. Levenstein is a top attorney recognized by Best Lawyers in the practice area(s) of Venture Capital Law. Gary I., 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 Gary I. is held by other top lawyers in the same geographic and legal practice area.

Dan Laytin is a litigation partner in Kirkland’s Chicago office. His practice is principally concentrated in the areas of antitrust and other complex litigation. Dan has been recognized as a leading antitrust practitioner by Chambers every year from 2006 to 2022; by The Legal 500 U.S. for antitrust in 2007, 2010, 2012–2014, 2016–2022, and for appellate: supreme court in 2017; and by The Best Lawyers in America, U.S. News and World Report, Best Lawyers® from 2013 to 2023....

David Scriven-Young is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law and Environmental Law. David, 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 David is held by other top lawyers in the same geographic and legal practice area.

Lowell D. Yoder focuses his practice on cross-border mergers and acquisitions, global tax planning and international tax controversies, representing high-tech, pharmaceutical, e-commerce, financial, consumer and industrial companies. He advises on tax-efficient structuring of cross-border acquisitions, dispositions, financings, internal reorganizations and joint ventures, as well as tax-beneficial planning for intangible holding companies, global supply chains and multi-jurisdictional service...

John Cullis focuses his practice on intellectual property litigation, counseling and procurement. Over the course of his career, John has been recognized among his peers as a preeminent litigator in the field of intellectual property. John is an accomplished trial lawyer who has first-chaired trademark, trade dress, trade secret, copyright and unfair competition matters before judges and juries in numerous U.S. federal courts and the U.S. Patent and Trademark Office’s (USPTO) Trademark ...

Daniel McGrath chairs Hinshaw’s Product Liability Practice Group. He represents major manufacturers, distributors, and service provider businesses in product liability, toxic tort, environmental, medical device, construction and commercial matters. Mr. McGrath regularly defends clients in consolidated, mass tort and multidistrict litigation in a variety of jurisdictions as well as in national and regional forums. With more than 30 years of trial and litigation experience, Mr. McGrath ha...

David S. Sattelberger is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. David S., 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 David S. is held by other top lawyers in the same geographic and legal practice area.

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...

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...