Historical patent data
Request for records of patent holders and their locations from 1895 to date.
Ref: FOI/2016/469 PDF, 20.1KB, 1 page
PDF, 2.8MB, 78 pages
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Provides information held by the Intellectual Property Office (IPO) on countries of origin of patent applications from 1895 to 1984, extracted from Annual Reports.
This information has been released by the IPO under the Freedom of Information Act 2000.