There are a number of invention promotion firms that advertise locally and nationally. Advice on Invention Promotion Firms . The list of current fees for patent and trademarks is available from the U.S. Patent and Trademark Office's Web Site. Phone and fax requests are not accepted. Phone and fax requests are not accepted.
Copies are fifteen cents per page.
Arizona State University's Interlibrary Loan Department will send copies of requested patents to the local public library for pickup. Check with your local public library for fees and turn-around time for this service. U.S. Patent and Trademark Office Individuals may contact the U.S. PTO directly by phone, e-mail or fax. General Information Concerning Patents Comprehensive and thorough. Frequently Asked about Patents Mostly about application and marketing of patents.