Patents Databases
FreePatentsOnline
FreePatentsOnline (FPO) was developed in the classic mould of innovation – the “better mouse trap” – making patent research faster, easier, and more accessible than ever before.
Google Patents
Patents from around the world, translated. Plus technical papers and books, organized and labeled automatically. Search for prior art, all in one place
SureChEMBL
SureChEMBL is a publicly available large-scale resource containing compounds extracted from the full text, images and attachments of patent documents.
Indian Patent Search
The Office of the Controller General of Patents, Designs & Trade Marks (CGPDTM) is located at Mumbai. The Head Office of the Patent office is at Kolkata and its Branch offices are located at Chennai, New Delhi and Mumbai.
Espacenet Patent Search
With its worldwide coverage and search features, Espacenet offers free access to information about inventions and technical developments from 1782 to today. Espacenet is accessible to beginners and experts and is updated daily.
USPTO
The United States Patent and Trademark Office (USPTO) is the federal agency under the Department of Commerce and is responsible for granting U.S. patents and registering trademarks.
WIPO
This patent search tool allows you not only to search the PCT database of about 2 million International Applications but also the worldwide patent collections.