However, small or micro entities qualify for reduced fees. Personal Checks, Postal Money Orders and Cashier's Checks are accepted.Filing a patent application involves submitting several forms and documents to the United States Patent and Trademark Office (USPTO). Patent Application Filing Fees. (SEPTEMBER 2017). Filing. Search. Application to Proceed Without Prepaying Fees or Costs (IFP Application). Contains Fields to Complete on-line (print out for filing).