Mr. Chelstrom is an intellectual property attorney, with more than 10 years of experience assisting clients in patent preparation and prosecution, managing worldwide patent portfolios, and counseling clients on patentability and freedom to operate issues. He is well versed in the fields of food science, chemistry, adhesives, polymers, laminates, films, petroleum and lubricants.

Counsels clients in chemical and mechanical patent applications
Represents clients in appeals before the United States Patent and Trademark Office Patent Trial and Appeal Board