Number Of Companies Using The Patent System Is ‘Unexpectedly Small’. In UK, only 1.6% of all registered firms own a UK patent. In US, only 5.5% of US manufacturing firms own a patent. However, the high-tech sector including R&D-doing firms that also innovate, the share of patenting firms increases only to 16%. The main reason for this phenomena is that patenting process has been quite tedious. At PatentYogi, we are making it very easy for the innovative firms to file patents.