Search for a patent
Find details of patents to:
- check if a similar patent to your invention already exists
- track the progress of a published patent application
- see if patents are available to license
Getting help
You can get help:
- from a local Patent Library - qualified staff can help you search cheaply
- by hiring a patent attorney or advisor
Read the guide to patenting your invention if you have not applied before.
Search UK patents
Search for published patent applications and registered patents using the Intellectual Property Office’s:
You can also search for supplementary protection certificates by their number.
There are separate lists for:
- published Green Channel patent applications
- patents with a licence of right that you can license to use
- patents not in force, for example if they’ve expired or been withdrawn
New applications and amended patents in the UK
The UK patents journal contains details of new UK patent applications and changes to the register.
Search patents in Jersey and Guernsey
Use the Jersey patents register to search for patents in Jersey.
Use the Guernsey patents register to search for patents in Guernsey.
New applications in Guernsey
The Guernsey patents journal contains details of new patent applications in Guernsey.
Search patents worldwide
Use Espacenet patent search to check for published patent applications and registered patents.
The database includes both worldwide UK patents and details about:
- owners
- filed documents
- countries where the patent applies