However, there is one last resort. According to the provisions of Article 7 of the Detailed Rules for the Implementation of the Patent Law, if the parties concerned lose their rights due to the delay of the time limit stipulated in the Patent Law and the Detailed Rules due to force majeure, they may submit a certificate to the Patent Office within 2 months from the date when the obstacle is removed, or at the latest within 2 years from the date when the time limit expires, and request the patent to be restored.
Therefore, if you can find a way to prove that you can't pay the fee within two years due to force majeure, such as going abroad, there is still hope to restore the patent right.