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Katherine "Katie" Barrett Wiik is a litigator with more than 17 years of experience handling federal and state appellate matters and litigation disputes. Katie has served as lead attorney in dozens of appeals and secured favorable outcomes for clients before the Sixth, Eighth, and Ninth Circuits...

Nathan Henderson is a member of the Litigation Department in the firm's Chicago office. He maintains a general litigation practice and handles a variety of matters involving complex commercial disputes. After earning his J.D. at University of Illinois College of Law, Nathan was a judicial clerk for...

Dan Altchek has a national practice representing unionized employers, and employers who wish to remain union-free, in their labor relations and human resources issues. Whether Dan is serving clients as their lead negotiator at the bargaining table, their litigator, or their trusted counselor – and...

Cathleen Devlin is chair of the firm's Litigation Department, a role in which she guides the Department's strategic focus and initiatives, manages its daily operations, and oversees nearly 200 litigators across the firm's 18 offices. She is the first woman to serve in the role at the firm. A...

Justin C. Danilewitz draws upon his trial and investigative experience as a former federal prosecutor to zealously defend entities and individuals facing criminal and civil enforcement actions, conduct internal investigations, and respond to whistleblower complaints and false claims (qui tam) suits...

For more than 25 years, Michael Gold has assisted clients in a wide variety of industries in corporate and transactional matters. He is a trusted advisor to general counsel, senior management and boards of directors across the country. Michael is a "closer" with a record of negotiating complex...

Justin Crotty brings both a scientific and business sensibility to his work helping clients protect their intellectual property through patent prosecution, inter-partes review proceedings and litigation, particularly for the pharmaceutical, medical device and biotechnology industries. His experience...

Judith B. Kassel provides legal advice and representation pertaining to a broad array of issues relating to doing business with the federal government and state governments. These issues include acquisition planning, proposal preparation, source selection, rights in and protection of intellectual...

Dennis Ostrovsky assists clients with patent portfolios involving obtaining patents in diverse technologies such as nanomaterials, cellular analysis systems, small molecule drugs, bactericides, abrasives, drug delivery systems, dental compositions, volumetric additive manufacturing (VAM), OLED...

A patent attorney with a Ph.D. in Molecular Biology and Microbiology, Alireza Behrooz assists companies and universities in protecting intellectual property connected to inventions in the life sciences. Drawing on years of private practice experience, Alireza prepares, files and secures patents as...

Chihao Wang is a registered patent agent who draws on his scientific background in biochemistry to assist clients in protecting their innovations. Chihao has intellectual property experience in a broad spectrum of technology areas, including biotechnology, biochemistry, molecular biology...

Jason McElroy is a trial lawyer with nearly 20 years of experience representing clients in complex litigation in federal and state courts. He has obtained verdicts and judgments in jury trials, bench trials and arbitration proceedings throughout the country. Jason litigates a wide range of matters...

Connor Park is a patent agent who assists companies ranging from startups to large corporations with patent prosecution, counseling and patent portfolio development. His experience includes work across a broad range of: Software development Quantum computing Blockchain Cryptography Computer vision...

Monaf Awwa, Ph.D., is a patent agent who helps clients in the biopharmaceutical, medical device and chemical industries protect their intellectual property by drafting their patent applications, preparing USPTO office action responses, and handling patent prosecutions. He also provides clients with...