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https://www.ipo.gov.uk/p-ipsum.htm
Classification1, preclassification2 (if applicable), reclassification3 activities; classification systems used (e.g., International Patent Classification (IPC)); matters concerning indexing of patent information
All UK patent applications are classified in the IPC. In 2005 the IPO started classifying all UK patent applications in ECLA, which was replaced by CPC classification in October 2013. Pre-classification (i.e. allocation of applications to examining groups) is done manually at subclass level using the CPC. Clusters of CPC subclasses provide the basis for the structure of examining divisions and groups. The office does not reclassify documentation.
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These are prepared in-house in a 5 week publication cycle using a bespoke IT system linked to PDAX (the IPO’s electronic case management system). The front page is compiled by downloading bibliographic data (XML format) from the corporate database COPS and merged with the rest of the specification pages from PDAX and reproduced in a single PDF image. The PDF image is then loaded onto the IPO’s publication server on our external website for customer download. The
The IPO no longer publishes “B” documents in paper format; the official publication means being electronic (see the following link): https://www.ipo.gov.uk/types/patent/p-os/p-find/p-find-publication.htm
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