[2] Optical character recognition (OCR) has been performed on the older US patents to make them searchable, and Google Translate has been used on all non-English patents to make the English translations searchable.

[8] In 2013, it was expanded to cover World Intellectual Property Organization (WIPO), German Patent Office (German: Deutsches Patent- und Markenamt, DPMA), Canadian Intellectual Property Office (CIPO), and China's National Intellectual Property Administration (CNIPA).

All foreign patents were also translated to English and made searchable.

[9] In 2015, a new version was introduced at patents.google.com with a new UI, integration of Google Scholar with machine-classified with Cooperative Patent Classifications (CPCs), and search result clustering into CPCs.

[11] Support for the USPTO and EPO Boolean search syntax (proximity, wildcards, title/abstract/claims fields) was introduced, as well as visual graphs of inventors, assignees and CPCs by date, a thumbnail grid view of search results and downloadable result sets as CSV.