Shari Helft Lennon

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...

Andrew has extensive experience in commercial real estate advising real estate investors, funds, finance companies, sponsors and operating companies on private equity capital raising, finance (including preferred equity and mezzanine), investment and development of commercial real estate. He also advises on the formation of joint ventures to own, operate, develop and finance global real estate. He regularly represents lenders with participations, modifications, originations and workouts of co...

Michael T. Egan is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Plaintiffs, Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. Michael T., who practices law in Chicago, Illinois, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael T. is held by other top lawyers in the same geographic and legal practice area.

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

John represents large publicly traded and privately held businesses in controversies, transactional matters and tax planning involving state and local corporate income/franchise taxes, gross receipts taxes, sales and use taxes, and other business privilege taxes. He also defends clients in state tax audits and litigation before courts, administrative agencies and departments of revenue throughout the country. In addition to his state and local tax practice, John is also one of the nation&rsqu...

Tom’s practice focuses on trademark infringement and false advertising litigation. He has successfully represented some of the world’s most famous brands in federal courts and in the USPTO Trademark Trial and Appeal Board. His career-long focus on Lanham Act matters gives Tom the unique ability to execute efficient and effective strategies to achieve his clients’ objectives. Practicing for more than 25 years, Tom is an internationally recognized partner in Barack Ferrazzano&...

John S. Mrowiec is a founding partner in the firm of Conway & Mrowiec. Mr. Mrowiec represents project participants in arbitration, litigation, mediation, contract drafting and claim preparation. He has tried, arbitrated or mediated several complex cases throughout the United States, most recently, successfully represented a general contractor to recover a seven-figure claim on an urban school project in a multi-week arbitration against a earth retention subcontractor involving the cause o...

Joseph R. Lanser is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Joseph R., 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 Joseph R. is held by other top lawyers in the same geographic and legal practice area.

Timothy J. Ritchey is a partner at Peck Ritchey, LLC who concentrates his practice in estate and trust litigation , elder law , and guardianship . Tim has been appointed Special Assistant Attorney General in numerous matters to represent the State’s interests in actions relating to Illinois healthcare and disability law. In 2014, Tim wrote legislation and testified as an expert before the Illinois Senate on an amendment to the Illinois Probate Act regarding elder abuse and financial exp...

Allan Muchin co-founded the law firm that bears his name. What began in 1974 as the 24-attorney firm Katten Muchin Zavis has today become Katten Muchin Rosenman LLP, with more than 600 attorneys worldwide. Allan began his legal career as a trial attorney for the Internal Revenue Service. When he helped launch Katten Muchin Zavis, he and his partners set out to create a law firm that was innovative, specialized and entrepreneurial. His practice concentrated on advising corporations, partnershi...