Press Releases | 11/04/2019

Brooks Kushman Welcomes Three New Associates, Expands Patent Prosecution and Litigation Practice

Team Contact: Dustin Zak


SOUTHFIELD, Mich. – Brooks Kushman is pleased to welcome associates LeRoy Ashley, Reza Roghani Esfahani, and Dustin Zak to the firm’s growing patent prosecution and litigation practice.

“We are excited to have LeRoy, Reza, and Dustin join our team,” said Frank Angileri, President of Brooks Kushman. “Their skills and past successes will bring a fresh perspective to our practice, and they are great additions to the firm.”

Ashley focuses his practice on the preparation and prosecution of domestic patent applications in the electrical engineering and materials arts. As a law clerk at Brooks Kushman, he conducted legal research revolving around various litigation rules, processes, and legal questions, assisted in the prosecution of patents including specification and claim drafting, conducted client-attorney interviews, and corresponded with the USPTO. Ashley has extensive experience with a variety of technologies and industries. Prior to becoming an associate at the firm, he spent 5 years as an engineer at a large automotive company, implementing and maintaining manufacturing controls equipment and logic. Ashley holds both a Juris Doctor and a Bachelor of Science in Electrical Engineering from Wayne State University.

Esfahani’s practice concentrates on intellectual property litigation and involves a wide range of technologies including the mechanical, chemical, and pharmaceuticals arts. Esfahani also has experience with the preparation and prosecution of U.S. and foreign patent applications as well as intellectual property due diligence. Esfahani holds a Juris Doctor as well as a Bachelor’s and Master’s degree in Chemical Engineering from the University of Michigan. During his time in school, he worked on projects directed at breast cancer therapy, live cell delivery, and development of small molecule inhibitors of a human protein implicated in thrombosis. Esfahani also has experience working on petroleum projects, with a focus on the investigation of the aggregation kinetics of crude oil components.

Zak is a registered patent attorney and focuses his practice on the preparation and prosecution of domestic patent applications in the chemical and materials arts. As a summer associate at Brooks Kushman, he participated in litigation matters, prepared responses to office actions, prepared appeal briefs for the PTAB, and conducted legal research for both prosecution and litigation matters. Prior to joining Brooks Kushman, Zak spent 5 years gaining technical experience as a Research and Development Chemist at an automotive OEM supplier and in the automotive after-market refinish industry where he formulated, developed, and launched various products globally. Zak holds a Juris Doctor from Wayne State University, where he graduated cum laude, and a Bachelor of Science in Polymers and Coatings Technology from Eastern Michigan University, where he also graduated cum laude.

About Brooks Kushman P.C.
Brooks Kushman P.C. is a premier intellectual property (IP) and technology law firm dedicated to the advancement and protection of innovations and brands that propel businesses around the world. With offices in Michigan and California, we work alongside corporations, small to medium sized businesses, and leading universities to protect their intellectual property assets. Our attorneys have a broad range of experience in industries and technologies, including consumer electronics, manufacturing, medical device, computer technology, aerospace, chemicals, biotechnology, and retail.

Brooks Kushman counts a number of Fortune 100 companies across a variety of industries among its clients. The firm is also recognized by leading legal publications and rankings, including Corporate Counsel magazine, U.S. News & World Report, Law360, Intellectual Asset Management, Managing Intellectual Property, and Intellectual Property Today. For more information, please visit

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