Open Access E-Patents
| No. | Logo | Name of Provider | Description |
|---|---|---|---|
| 1 |  |
Espacenet Patent Search | free access to over 100 million European patents |
| 2 |  |
FreePatentsOnline (FPO) | Complete Patent Searching Database and Patent Data Analytics Services |
| 3 |  |
Google Patents | patents from around the world with Google Patents, and find prior art in our index of non-patent literature. |
| 4 |  |
Indian Patent Search (IPAIRS) | Access to all Indian Patents |
| 5 |  |
US Patent and Trademark Office (PTO) | Access to The United States Patent and Trademark Office (USPTO) is the federal agency for granting U.S. patents and registering trademarks |
| 6 |  |
The Lens | The Lens serves almost all the patents and scholarly work in the world as a free, open |
| 7 |  |
Espacenet Patent Search | free access to over 110 million patent documents |