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

The patents journal contains details of new UK patent applications and changes to the register.

Search patents worldwide

Use Espacenet 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