A professional who specializes in patent law. Responsibilities include:

• Advises clients, such as inventors, investors, and manufacturers, concerning patentability of inventions, infringement of patents, validity of patents, and similar items.
• Prepares applications for patents and presents applications to U.S.
• Patent Office.
• Prosecutes or defends clients in patent infringement litigations.
• May specialize in protecting American trademarks and copyrights in foreign countries.