"Section 41(a)(1) of the Patent Act authorizes the USPTO to charge fees for each claim in excess of 20. Those fees have risen dramatically over the year and in January 2025 the USPTO doubled them from $100 to $200 per excess claim for large entities ($80 for small entities, $40 for micro entities). The fee for each independent claim beyond three also increased, from $480 to $600."
"By 2025, the picture has changed beyond recognition. A full 28% of utility patents now issue with exactly 20 claims. That bar dominates the histogram. Only 6% of patents issued with exactly 20 claims that year [2005]."
"The result is a system where the 20-claim threshold is beginning to function as a fairly hard wall. Patent applicants and their attorneys have responded rationally: they draft to the threshold and stop."
Over twenty years, U.S. utility patent claim distributions have shifted dramatically due to fee incentives. In 2005, patents showed a natural distribution peaking around 8-14 claims with a long tail. By 2025, exactly 20 claims became dominant, representing 28% of all utility patents. This transformation stems from USPTO fee structures charging $200 per excess claim beyond 20 for large entities ($80 for small entities, $40 for micro entities), doubled in January 2025. Additional fees apply to independent claims beyond three. Patent applicants and attorneys respond rationally to these economic incentives by drafting applications to reach the 20-claim threshold and stopping, effectively creating a hard wall in patent scope design.
#patent-fee-structure #claim-threshold-economics #uspto-pricing-policy #patent-scope-design #patent-application-strategy
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