About

Gregory P. Casimer is a distinguished attorney with Thomas H. Thorelli, P.C. | Lathrop & Gage in Chicago, where he focuses his practice on intellectual property, patent infringement, antitrust and trade law, and trademark application matters. With a deep understanding of the legal and commercial issues that shape innovation-driven industries, he helps clients protect valuable ideas, brands, and competitive positions in an increasingly complex marketplace. His work is guided by a strategic, detail-oriented approach designed to address both the immediate legal challenge and the broader business objectives of each client. Mr. Casimer brings extensive experience to matters involving intellectual property protection and enforcement, including disputes related to patents and trademarks. He advises clients on trademark application issues and works to help businesses secure and maintain the rights that support long-term growth and market recognition. His background in antitrust and trade law further enhances his ability to evaluate matters from multiple angles, offering clients practical counsel rooted in a strong command of the legal landscape. Known for his professionalism and commitment to client service, Gregory P. Casimer strives to provide clear guidance and responsive representation at every stage of the process. He understands that intellectual property and competition-related disputes can have significant financial and operational consequences, and he works diligently to help clients protect their interests with confidence. Located in Chicago, he serves as a trusted advocate for businesses and individuals seeking experienced counsel in complex IP and trade matters.

Credentials

Related Legal Services

Other Antitrust Trade Law Attorneys in IN