
Intellectual Property
USA Guide 2026 : Missouri
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Ranked Individuals
Ranked Individuals
About
Provided by Lewis Rice LLC
At Lewis Rice, we recognize that intellectual property rights are a key component to our clients' potential and worth, whether they are large or small companies, universities, or individuals. Attorneys in our intellectual property practice are extremely supportive of their clients and are accessible from around the world. At our Firm, we do more than take an idea and convert it to an abstract application; we strategize on the best methods to achieve our client's desired objectives. We combine technical experience with business pragmatism. And because our intellectual property practice is integrated with the other practices of our Firm, our clients get the highest level of service at a great value in the legal market today.
Our clients' business needs and objectives are at the forefront of any intellectual property application, transfer, or dispute. Our foremost goal is to help evaluate the intellectual property of our clients and provide responsive, efficient services as our clients' needs change and grow. We form close relationships with our clients and strive to understand their needs in order to form a truly integrated client-attorney team. Lewis Rice will add value to your intellectual property by utilizing skillful, responsive, and efficient strategies.
Contacts:
St. Louis - Michael J. Hickey, Kathleen Markowski Petrillo
Chambers Review
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Notable Practitioners
Provided by Chambers
Band 2 
Band 2 
Kathleen Markowski Petrillo
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. Band 2 
Band 2 
Robert M Evans Jr
Bob 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.
Ranked Individuals at Lewis Rice LLC (2)
Members
Provided by Lewis Rice LLC

Kathleen Markowski Petrillo
View profile of Kathleen Markowski Petrillo
Robert M Evans Jr
View profile of Robert M Evans Jr
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