John A. Chamberlin

John Augustyn is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property and Patent Law. John, who practices law in Chicago, Illinois, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John is held by other top lawyers in the same geographic and legal practice area.

Brian C. Rupp is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Brian C., who practices law in Chicago, Illinois, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brian C. is held by other top lawyers in the same geographic and legal practice area.

James (Jay) W. Kapp, III, focuses his practice on corporate bankruptcies, reorganizations (including prepackaged and prearranged bankruptcy filings), out-of-court restructurings (including distressed financings and workouts), and creditor rights representation (with an emphasis on representing bondholders, indenture trustees and other secured creditors). Jay has significant experience representing debtors and creditors (secured and unsecured) with respect to such bankruptcy and restructuring ...

James H. Cundiff advises clients on family wealth and business planning, federal estate, gift and generation-skipping tax planning, and estate and trust administration. James represents entrepreneurs, corporate executives, and other business leaders and wealthy individuals on estate and tax planning matters. Counseling closely held businesses and family members, James is actively engaged in the structuring of family businesses as well as business control and succession planning, multi-generat...

Doug is a partner in the firm’s Real Estate practice group. He manages complex real estate and financing transactions concerning properties throughout the country for a diverse group of clients, including developers, publicly traded real estate investment trusts (REITS), private real estate investment funds, joint ventures and financial institutions. Doug handles transactions involving multifamily apartment projects, office buildings, shopping centers, industrial sites, hotels, governme...

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...

Partner James M. Quigley is widely regarded as a highly-esteemed and experienced Illinois Divorce/Family Law attorney and litigator. Mr. Quigley has successfully tried complex financial, custody, removal and other contested cases in Cook, Lake, DuPage, and other counties throughout the state of Illinois, since 1992. Quigley attended and graduated from the University of Wisconsin–Madison, obtaining a Bachelor of Arts degree in Journalism in 1989. James originally hoped to combine his lov...

Attorney Frank V. Cesarone believes that passion and a proactive approach are the keys to success in the legal profession. At every stage of litigation, Frank maintains an unwavering focus on his client’s best interests. Since joining Meyers & Flowers, LLC in 2013, Frank has been actively involved in the firm’s product liability and?personal injury practices. He takes pride in being a voice for victims of neglectful physicians, drug companies, and medical device manufacturers....

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...

Todd Rowe is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Insurance. Todd, 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 Todd is held by other top lawyers in the same geographic and legal practice area.