U.S. patents are currently subject to maintenance fees paid to the U.S. Patent and Trademark Office (USPTO) at 3.5, 7.5, and 11.5 years from the date of grant to keep the patent live. The maintenance fees escalate over the...more
Dear Patenticity, My start-up has a small portfolio of about a dozen patents covering our core technology. One of those patents has the 11.5 year maintenance fee coming due in the next six months, but this particular...more