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Our attorneys have obtained important injunctions against our clients’ competitors in both patent and trademark disputes and have obtained multi-million dollar patent infringement results for clients. Many disputes are favorably settled through arbitration and other alternative dispute resolution processes.
Our litigators serve diverse organizations in many different industries located in the midwest and across the United States. Our attorneys manage intellectual property issues and litigation from trial through appeal in federal and state courts. In addition, we manage legal actions before the Patent Trial and Appeal Board and the Trademark Trial and Appeal Board of the U.S. Patent & Trademark Office.
Our expertise as litigators includes cases of patent infringement, trademark infringement, copyright infringement, and trade secret misappropriation.
As an alternative to time-consuming and expensive intellectual property litigation, Polster Lieder attorneys employ arbitration, mediation, and other forms of alternative dispute resolution (ADR) in order to amicably settle disputes.
📚 Related legal guides
Background reading on the practice areas this attorney handles.
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Fair Use of Copyrighted Material in Missouri
Missouri creators using copyrighted material need fair-use analysis — four-factor test (purpose, nature, amount, market effect) determines whether use is lawful without permission.
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Trade Secret Protection in Missouri
Missouri trade secrets are protected under both state Uniform Trade Secrets Act (UTSA) and federal Defend Trade Secrets Act (DTSA, 2016). No registration required — but reasonable secrecy efforts are.
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Patents Overview for Missouri Inventors
Patents are entirely federal — granted by the USPTO and litigated in federal district court. Missouri infringement actions are filed in U.S. District Courts for the Eastern and Western Districts of Missouri.