Sean P. Murray

Lisa is chair of the firm’s Environmental practice group. Her extensive experience in representing the government and private sectors in complex litigation and administrative proceedings involves the full spectrum of environmental concerns, including solid and hazardous wastes, air, water, mold, toxic substances, underground tank and pesticides. Lisa’s many years of in-house corporate and government experience allow her to provide cost-effective and practical counsel and to apprec...

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...

John Gatz is a patent attorney who concentrates his practice on patent prosecution, patent counseling and patent litigation. John has extensive experience in the life sciences and manufacturing industries. My focus Patent Prosecution/Counseling I prosecute patents and counsel clients in a number of mechanical- and chemical-related technologies including: biomechanical devices, chemical products and processes, sensor-dispensing instruments, analyte meters, test sensors, non-invasive processes,...

Margaret Lomenzo Frey is a top attorney recognized by Best Lawyers in the practice area(s) of Private Funds / Hedge Funds Law. Margaret Lomenzo, 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 Margaret Lomenzo is held by other top lawyers in the same geographic and legal practice area.

Leah is chair of the firm’s Real Estate practice group and Co-Chair of the Firm’s Hospitality and Leisure Practice Group. She develops legal strategies for clients, both real estate investors and clients in other industries who are heavy real estate users, in a wide range of commercial real estate transactions, including acquisitions and dispositions; mortgage and mezzanine financing transactions; commercial leases, hotel management and franchise agreements, co-living and property...

Tracy Brammeier is no stranger to tort law, having worked as a clerk at the firm for years and then jumping into courtroom work and complex tort cases. In fact, her intelligence and legal acumen have led her to already have worked on some of the biggest lawsuits filed at the firm, led by partners directing the cases. She works closely with partner Kevin P. Durkin handling many transportation accident matters. Tracy has worked on several cases involving bicyclists struck by trucks, a man who s...

Larry is chair of the firm’s Private Wealth Services practice group. He facilitates successful legal strategies for entrepreneurs, tax-exempt organizations, fiduciaries and high-net worth families and individuals. This work involves estate, gift and charitable planning issues, including business succession, tax-efficient ownership structures, sophisticated tax-exempt structures, trust and estate administration, executive benefits, life insurance and international estate planning for wea...

Kimberly M. Copp is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law, Gaming Law and Public Finance Law. Kimberly M., who practices law in Chicago, Illinois, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kimberly M. is held by other top lawyers in the same geographic and legal practice area.

Ms. Cárdenas has more than 25 years of experience representing adults and minors who have suffered debilitating injuries in every area of personal injury. Ms. Cárdenas is a member of the highly esteemed Multi-Million Dollar Advocates Forum due to her repeated success in winning multimillion-dollar settlements for her clients. Starting in 2012, Ms. Cardenas has consistently been named as one of the Top 100 Trial Lawyers. She prides herself on tenaciously representing her clients ...

Holby is a strategic intellectual property advisor who focuses on the creation, development, protection and enforcement of numerous sophisticated global patent and trademark portfolios. His practice encompasses all aspects of patent and trademark development, including prosecution, licensing, opinion work, counseling and due diligence. Holby provides legal services with a full appreciation of the perspectives of in-house counsel, management and technical staff, routinely advising them regardi...