Thomas S. O’Neill

Robert (Rudy) Radasevich has practiced for the past three decades in the firm’s Financial Restructuring & Bankruptcy and Commercial Litigation departments. As a litigator, Rudy represents the firm’s business clients as plaintiffs and defendants in complex commercial disputes before state and federal courts, arbitration panels and appellate courts throughout the country. His comprehensive litigation practice spans the gamut of high-exposure business disputes, including breach o...

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

Norah Jones is a founder and principal of C3 Legal LLC. Norah’s practice focuses primarily on representing public charities and private foundations. She also advises family offices and founders in the creation and operation of new philanthropic vehicles. She has a particular passion for organizations focused on economic justice and community safety.

Kristen Laughridge Gale is a partner in the environmental law firm of Nijman•Franzetti LLP, in Chicago. She has broad experience in litigation and enforcement-related issues, including private cost recovery, the Clean Air Act, Clean Water Act, RCRA, underground storage tanks, CERCLA, and the Illinois Environmental Protection Act. Ms. Gale has successfully represented clients in regulatory disputes and negotiations with both state and federal agencies, including defending enforcement acti...

Emer Simic is a partner in the Intellectual Property Practice Group and focuses her practice on patent litigation and counseling in the pharmaceutical and biotech space. Emer has substantial experience successfully representing pharmaceutical and biotech companies in Hatch-Waxman and patent infringement disputes before the U.S. District Court and before the Patent Trial and Appeal Board (PTAB). A strategic advisor and compelling advocate, Emer partners with her clients to achieve their goals ...

David K. Haase has extensive experience representing employers in all aspects of labor and employment law. He has particular expertise in litigating wage and hour class/collective actions, unfair competition claims, such as non-competition agreements and trade secrets, and employee benefits litigation. David has litigated the full panoply of employment-related matters before the federal and state courts. David is the chair of Littler’s Pro Bono Committee. He publishes frequently and lec...

Mark E. Schmidtke represents clients in ERISA and Non-ERISA employee benefits matters in state and federal courts throughout the United States for nearly 30 years. He has been lead or co-lead counsel in ERISA litigation matters pending in the courts of 49 states. He has argued appeals in the United States Courts of Appeals for the Second, Third, Fourth, Fifth, Sixth, Seventh, Eighth, Ninth, Tenth, and Eleventh Circuits, as well as the Massachusetts Supreme Judicial Court, the Minnesota Suprem...

Sean G. Wieber is a top attorney recognized by Best Lawyers in the practice area(s) of Consumer Protection Law. Sean G., 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 Sean G. is held by other top lawyers in the same geographic and legal practice area.

Chicago trial attorney Brian LaCien is a founding partner of Smith LaCien LLP. He has a broad range of experience in the areas of medical malpractice, professional negligence, wrongful death, class actions, trucking litigation, product liability, aviation negligence, civil rights violations and premises liability. LaCien and Todd A. Smith, also a founding partner, have a long track record of achieving exceptional results for clients, with more than $2 billion in verdicts and settlements and o...

Richard (Dick) A. Lang delivers the Firm’s wide array of legal services to many of the wealthiest individuals and families in the United States. He concentrates on wealth transfer and income tax planning for venture capital and entrepreneurial clients, as well as counseling for family offices. Read full biography: https://www.mwe.com/people/lang-richard-a/