|European Patent Office (DE)
||Subject Coverage: Provides access to the largest single source of technical information in the world: databases containing millions of patent documents that allows inventors to see what already exists, find out about technical aspects of their competitors’ work or spot trends in technology
|Free Patents Online(FPO)
||Subject Coverage: World-wide leading free patent search solution for the last decade
||Subject Coverage: Wider global coverage of over 45 million patent families including 36 million full-text records from over 95 issuing authorities – all in a single database!
|United States Patent and Trademarks Office (USPTO)
||Subject Coverage: Provides access to all patents from 1976 forward in text as well as image format in the patent search systems. All trademark images together with descriptions and design search codes which indicate types of images included in a mark on the trademark search systems.