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:

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:

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