Patrick M. Mellon

Margaret Anderson is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law. Margaret, 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 is held by other top lawyers in the same geographic and legal practice area.

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,...

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

Partner Nancy M. Spain, a founder of the firm, Spain, Spain & Varnet P.C., which joined Hahn Loeser & Parks LLP in 2022, focuses her career in general and probate-related law. She began her legal career in Cleveland, prior to relocating to Chicago in 1981 where she first worked in the trust department of the former Lake Shore Bank, prior to practicing law at Spain, Spain & Varnet P.C. Throughout her career, Nancy has been actively involved in drafting legislation and working with ...

Joseph has close to 20 years of experience advising financial institutions on corporate and securities matters. Joseph uses a practical and efficient approach to help clients achieve their goals and has successfully completed over 100 M&A and capital market transactions. He also actively serves as outside corporate counsel for bank clients, including publicly traded companies. Joseph is co-chair of Barack Ferrazzano's Financial Institutions Group. He is a frequent speaker at industry conf...

Mark Grossmann is global chair of Katten's Corporate practice. Mark knows how to make deals happen. For more than 20 years, he has guided principals and finance sources alike through critical transactions that have helped them grow, compete and realize value. He is known for a refreshingly direct approach that cuts away extraneous issues and gets to the heart of what the parties need. Mark knows that lawyers are often seen as obstacles who can bury the deal in the legal details. He takes a di...

Guinevere M. Moore is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation and Controversy - Tax. Guinevere M., 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 Guinevere M. is held by other top lawyers in the same geographic and legal practice area.

Jeremy D. Margolis is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. Jeremy D., 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 Jeremy D. is held by other top lawyers in the same geographic and legal practice area.

Sarah Raisch is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Sarah, 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 Sarah is held by other top lawyers in the same geographic and legal practice area.

Steven Jakubowski is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law and Litigation - Bankruptcy. Steven, 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 Steven is held by other top lawyers in the same geographic and legal practice area.