Search and read the full text of patents from around the world with Google Patents, and find prior art in our index of non-patent literature.
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. This search facility features: flexible search syntax; automatic word stemming and relevance ranking; as well as graphical results.
Espacenet provides free access to over 120 million patent documents worldwide, enabling users to search, download, compare, and translate patents.
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.
As we can see from the illustration, Global Patent Search Engine has many fascinating aspects to explore.
The choice of patent databases highly depends on the motive beneath it, or in other words, the type of patent search involved. For instance, for a prior art search that is for current litigation, you would want to choose a patent database that covers the patent documents of most of the patent offices. Exhaustiveness is going to be the key for you here. Similarly, for the freedom to operate ...
PatSeer offers AI-powered patent search and analysis. Find design patents, conduct intellectual property searches, and access smart patent analytics.
Explore the best patent search engines, both free and paid, including AI tools that simplify prior-art searches and improve innovation insights.
