Conducting a patent search is an indispensable requirement before filing for a patent. Firstly, it helps determine the patentability of an invention. It also highlights the similarity of the invention with the prior arts, allowing the inventor to make some changes in the invention and thus make it patentable. Given the significance of a patent search, it is important to know that patent search is conducted online vide a myriad of patent search databases. There are free patent search as well as paid databases. Some of the free patent search databases and their basic functionality are listed below:
In this website, the user can choose to conduct a country-specific search. The patent sources of the countries available in this website are: US Patents, US Patent Applications, EP documents, Abstracts of Japan, WIPO (PCT), German Patents (Beta). Even non-patent literature may be accessed with this database. (Non-patent literature refers to that documents and publications that are not patents but are cited as references for being relevant in a patent prosecution). The database also has an option of expert search or quick search. In a quick search, the user may conduct the patent search according to the various headings such as date of filing, publication date, name of assignee, name of inventor and so on.
This database allows full-text searches in English, French or German. It has three options for search; Smart search, Advanced search, and Classification search. In the advanced search, the user can conduct the search under different headings such as title, abstract, publication number and so on. The classification search allows the user to search for a specific class.
3. Patentscope (WIPO)
This database has the options of simple, advanced search, field combination, and cross lingual expansion. Simple search allows search by name, date, international classification and so on. Field combination has the following headings under which the search may be conducted: WIPO publication number, application number and so on in combination with Booleans.
This database allows patent search to be conducted using the following resources:
It has separate sections for patent search and prior art finder. The patent search has the option of including non-patent literature, and you can learn more about here.
This Indian patent office database allows for a full-text search of all Indian patents and Patent Applications. Apart from this, InPASS also allows a person to conduct a free patent search using Wild Cards and Boolean Operators. Additionally, how to use InPASS, please refer the blog post how to conduct Indian patent search.
Further, You may also visit our patent search services for your specific patent search requirement, and also read some of the interesting articles below:
- Explained: Why Conduct Patent Search?
- The 7 step strategy in US Patent Search
- Understand Your Patent Application Status
- Understanding the Indian Patent Law