When the patent applied for on 20 19 was published in 2020, what year was it?

20 19. From the date of filing, that is, from 20 19 years, the term of invention patent is 20 years, and the term of utility model patent and design patent is 10 years, all of which are counted from the date of filing. The starting point of the patent protection period is not the patent announcement date, but the patent announcement date is the starting point for the patentee to obtain the patent right.