Lewis Rice LLC

Intellectual Property Department

Missouri
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What the team is known for Increasingly prominent bench of patent litigators with notable courtroom and PTAB experience. Contentious practice complemented by significant expertise in the development of large-scale, multijurisdictional patent portfolios for a broad roster of clients. Also offers strength in trademark mandates, as well as copyright proceedings.

Notable practitioners


Kathleen Markowski Petrillo
is respected for her expertise in both strategic and contentious patent mandates, including the development of global portfolios, chemical patent prosecutions and inter partes review proceedings. "I have a high regard for her," states one source, while another reports that "she is a very smart, excellent attorney."


Robert Evans
is a highly respected IP litigator who is particularly recognized for his expertise in patent infringement cases. Alongside handling market-leading courtroom litigation, he also has significant experience acting in ADR proceedings.