https://ffii.org/unified-patent-court-is-100x-more-expensive...
This is an article from 2021, but in the meantime, after the complaints of small companies, countries made the matter even worse by *increasing* the court fees even more, citing the inflation over 10 years.
You see there is hope in this corrupt world, not to mention that the people who decide do it for themselves, states don't want to spend more so they send the bill to companies that have to litigate.