Patent term and renewal
Patent term and renewal

The following IP guidance note provides comprehensive and up to date legal information covering:

  • Patent term and renewal
  • Term and renewal
  • Restoration
  • Supplementary protection certificates

When a person is granted a patent via the UK Intellectual Property Office (IPO) (whether this was initiated as a UK only, European, or international application), in exchange for making a disclosure of the invention to the world, the owner of the granted patent gets rights to control certain acts laid down by statute as constituting infringement, usually for a period of 20 years from the patent's filing date. For more information on applying for a patent, see Practice Notes: Applying for a European Patent, Applying for a UK national patent. and Applying for a patent under the Patent Cooperation Treat.

Patents in the UK are largely governed by the Patents Act 1977 (PA 1977) and by the Patents Rules 2007, SI 2007/3291.

A UK patent has effect in the UK including territorial waters, the Isle of Man and other areas designated in connection with exploration of the sea bed or sub-soil.

A patent will usually either expire at the end of its 20 year term or, if renewal fees are accidentally