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Patent Renewal Rates Over Time
This chart displays the percentage of patents renewed at the 4th, 8th, and 12th-year marks.
Summary & Insights for Overall Statistics
Overall 4th Year Renewal
85.2%
3,761,665 of 4,415,399 patents renewed.
Overall 8th Year Renewal
66.3%
2,001,893 of 3,017,497 patents renewed.
Overall 12th Year Renewal
44.0%
806,678 of 1,833,578 patents renewed.
Peak Annual Renewal Rate
86.0%
Achieved in 2017 for 4th Year