https://www.macrumors.com/2013/12/06/apple-asking-for-16m-in-legal-fees-after-samsung-patent-victory-has-paid-lawyers-more-than-60m/
Following the second victory in its long-running patent lawsuit with Samsung, Apple has filed a motion asking the judge to order Samsung to pay nearly $16...
legal feesappleaskingsamsungpatent
https://www.uspto.gov/patents/laws/examination-policy/changes-patent-fees-under-consolidated-appropriations
Textual Equivalent of Training Slides titled "Changes to Patent Fees Under the Consolidated Appropriations Act(H.R. 4818/P.L. 108-447)"
patent feesappropriations actchangesconsolidated
https://www.shopify.com/au/blog/patent-cost-guide
The costs of filing for a patent can add up quickly, but the end result is effectively a monopoly on your own invention.
filing feesmuchpatentcostexplained