Part of the problem (among many) is the patent office is funded by fees. So they naturally favor "approving" patents, because applications are their revenue so

Part of the problem (among many) is the patent office is funded by fees. So they naturally favor "approving" patents, because applications are their revenue source. Plus it cost businesses to invalidate a patent, but the patent office doesn't bear the cost of bad pattents. https://www.uspto.gov/blog/director/entry/an_update_on_sustainable_funding https://www.uspto.gov/blog/director/entry/an_update_on_susta...