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Charles J. Sirek

Charles Sirek is patent counsel in the firm’s New York office. His practice focuses on patent prosecution with an emphasis on mechanical technologies. Charles received his J.D. from St. John’s University School of Law, where he served as a Senior Staff Member for the St. John’s Journal of Civil Rights and Economic Development. Before law school, Charles earned his B.S. in Mechanical Engineering from the University of Wisconsin – Madison.

St. John’s University School of Law, J.D.
University of Wisconsin – Madison, B.S., Mechanical Engineering
State Bar of New York
U.S. Patent and Trademark Office
Consumer Products & Services

Aesthetics & Personal Care Products

Sporting Goods & Recreation

Electrical, Semiconductor & Computer Technology

Electronics & Semiconductors

Software & IT

Medical Devices & Procedures

AI & Machine Learning

Cardiac Assist Device (E.g., LVAD & Heart Pumps)



Prosthetics & Orthotics

Design Patents
Due Diligence
Global Portfolio Management
Infringement Risk 
IP Strategy
IP Transactions and Agreements
Patent Strategy & Prosecution
Tech Transactions
U.S. Patent Prosecution

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