Coverage
The patents and literature an invalidity search can reach.
Every search covers
107 patent offices, from 1782 to today, plus scholarly records and the public web
Patent offices107
Grants86,603,660
Published applications101,600,666
Scholarly records389 million
Patent offices
OfficeYearsGrantsApplicationsFull text since
ChinaCN1984–202643,103,26322,774,777198543,103,263 grants22,774,777 applicationsFull text since 1985
JapanJP1901–20267,141,29421,908,18019937,141,294 grants21,908,180 applicationsFull text since 1993
United StatesUS1790–202613,877,5018,651,971179013,877,501 grants8,651,971 applicationsFull text since 1790
European Patent OfficeEP1978–20262,640,6816,615,77919782,640,681 grants6,615,779 applicationsFull text since 1978
GermanyDE1803–20263,380,9885,092,88219873,380,988 grants5,092,882 applicationsFull text since 1987
South KoreaKR1966–20263,466,4134,711,84119793,466,413 grants4,711,841 applicationsFull text since 1979
World Intellectual Property OrganizationWO1978–202606,254,37919780 grants6,254,379 applicationsFull text since 1978
United KingdomGB1782–2026759,4193,249,4651980759,419 grants3,249,465 applicationsFull text since 1980
FranceFR1841–20262,289,3171,063,28919812,289,317 grants1,063,289 applicationsFull text since 1981
CanadaCA1863–20262,038,7651,295,74219782,038,765 grants1,295,742 applicationsFull text since 1978
Take your next patent from claim to chart.
Investigations are available by approval. The patent library is open to everyone, no account needed.