Non-binding opinion (United Kingdom patent law)

Since 2005, a new system has allowed the process to be reworked using new and updated forms under the Patents (Amendments) Rules 2005 (SI 2005/2496).

Furthermore, they should be aware that the owner of the patent, any licensees will be provided with any documents sent to form the opinion.

The request for an opinion will also be advertised on the UK IPO's website so that any other party interested in the outcome may make observations concerning the patent.

[3] The effectiveness of a non binding opinion was recently demonstrated in Weight Watchers (UK) Ltd and others v Love Bites Ltd and others [2012] EWPCC 11, 21 February 2012.

From 2006, the defendants sold sandwiches under the trade mark Waist Watchers, which was subsequently registered.