James J. Marszalek

L. Timothy Halleron focuses his practice on high-net-worth tax and estate planning matters. Tim advises individuals and family offices in planning for the preservation and transfer of wealth within families without the imposition of gift, estate or generation-skipping transfer tax. Read full biography: https://www.mwe.com/people/halleron-l-timothy/

Carol A. Harrington advises clients on a variety of matters, including estate, gift and generation-skipping tax issues, closely held businesses and succession planning, family office structures and issues, private trust companies, private foundations, trust and estate administration, and contested trust and tax matters. Carol is the former global head of McDermott’s Private Client Practice. Read full biography: https://www.mwe.com/people/harrington-carol-a/

Roshan P. Shrestha Ph.D. is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property. Roshan P., 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 Roshan P. is held by other top lawyers in the same geographic and legal practice area.

Jennifer T. Nijman is a founding partner of the environmental firm Nijman·Franzetti LLP with wide ranging experience in litigation defense and enforcement issues as well as issues involving waste and contaminated property. She was formerly a partner and chair of the environmental practice group at the Chicago office of a national law firm. Ms. Nijman represents clients in environmental litigation and enforcement defense, including toxic tort claims, private party disputes, and actions ...

Christopher Butler is a nationally recognized corporate partner who concentrates his practice in the area of debt financing transactions with an emphasis on acquisitions and highly leveraged financings. He represents private equity groups, private and public companies and lending institutions across a broad spectrum of industries. He also represents debtors in loan workouts and restructurings, including debtor-in-possession and exit financings. The transactions that Chris has led include majo...

As a partner in the Intellectual Property practice group, Jeff focuses his work on patent litigation and strategic counseling related to pharmaceutical, chemical, biotechnology, electrical engineering, agricultural and food products. A registered patent attorney with four decades of experience, Jeff has successfully represented both patent owners and patent challengers through all stages of federal litigation and appeals. A significant portion of Jeff’s practice includes advising pharma...

Heidi Steele is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Heidi, 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 Heidi is held by other top lawyers in the same geographic and legal practice area.

Andrew is a trial and appellate lawyer in the firm’s Litigation and Insurance Policyholder Practice Groups. Andrew has earned a reputation as a shrewd and versatile litigator capable of tackling the most vexing legal problems. Andrew has an active commercial litigation practice spanning multiple industries with experience successfully prosecuting and defending a wide variety of litigation and arbitration matters from inception through trial and appeals. Andrew’s dynamic skill set ...

Catherine Basque Weiler is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice, Commercial Litigation and Medical Malpractice Law - Defendants. Catherine, 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 Catherine is held by other top lawyers in the same geographic and legal practice area.

John M. Dickman is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management. John 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 John M. is held by other top lawyers in the same geographic and legal practice area.