My patent was due for renewal Dec 2019, year 8. Is there any way I can resurrect it? Thanks in anticipation. Pat.
You can petition for acceptance of a late payment - from the USPTO web site -
A petition related to acceptance of delayed payment of a maintenance fee after expiration of the patent based on unintentional delay under 35 U.S.C. 41(c) and 37 CFR 1.378 (b) must be accompanied by:
a statement that the delay was unintentional;
payment of the appropriate maintenance fee; and
payment of the petition fee as set forth in 37 CFR 1.17,