Intellectual Property Office
Cookies
Cookies are small files saved on your phone, tablet or computer when you visit a website.
We use cookies to store information about how you use our services and to personalise your experience by remembering your preferences and the choices you make.
The cookies we set cannot be used to personally identify you.
Find out more about how to manage cookies.
How cookies are used on this service
We use three types of cookies:
- strictly necessary cookies are essential to the way the service works
- performance cookies tell us how you use the service so we can update and improve it based on your needs
- functional cookies remember any personalised preferences - these are only present on some of our services
If you have JavaScript disabled on your browser or are unable to consent, we automatically opt you out of all non-essential cookies.
Strictly necessary cookies
These cookies are necessary for essential functions such as the security of the service and remembering your progress through a service. They do not store any personally identifiable information.
| Name | Purpose | Expires |
|---|---|---|
| UXFORMS_EXEC | A 'session identifier' which allows the site to recognise your movement around the site as being from one computer. | session |
| cfduid | Helps detect malicious users and minimizes blocking legitimate users from using the service. | 30 days |
| _cf_bm | Used to manage incoming traffic that matches criteria associated with automated internet robots (bots). | 30 minutes |
| OptanonConsent | This cookie is set by the cookie compliance solution from OneTrust. It stores information about the categories of cookies the site uses and whether visitors have given or withdrawn consent for the use of each category. This enables site owners to prevent cookies in each category from being set in the users browser, when consent is not given. The cookie has a normal lifespan of one year, so that returning visitors to the site will have their preferences remembered. It contains no information that can identify the site visitor. | 1 year |
| OptanonAlertBoxClosed | This cookie is set by websites using certain versions of the cookie law compliance solution from OneTrust. It is set after visitors have seen a cookie information notice and in some cases only when they actively close the notice down. It enables the website not to show the message more than once to a user. The cookie contains no personal information. | 1 year |
Performance cookies
These cookies gather information on the performance of the service and how you use it. This information helps us improve the user experience.
They do not collect or store any personal information (for example your name or address) so cannot be used to identify you.
Not allowing these cookies means we will be unable to gather this information.
We do not allow external organisations to use or share any of this analytics data.
| Cookie | Purpose | Expires |
|---|---|---|
| dtCookie | Tracks a visit across multiple requests. | session |
| dtValidationCookie | Used to determine the top-level domain. | session |
| dtLatC | Measures server latency for performance monitoring. | session |
| dtPC | Required to identify proper endpoints for beacon transmission; includes session ID for correlation. | session |
| dtSa | Serves as an intermediate storage for page-spanning actions. | session |
| rxVisitor | Contains the visitor ID to correlate sessions. | permanent |
| rxvt | Specifies the session timeout. | session |
| _pk_id | This lets us know if you've visited before, so we can count how many of our visitors are new to GOV.UK or to a certain page. | 393 days |
| _pk_ses | This works with _pk_id to calculate when you leave our website. | 30 minutes |
Functional cookies
These cookies are used to enhance functionality and personalisation within the service. For example, to remember notifications you have seen so they are not shown again.
They do not collect or store any personal information (for example your name or address) so cannot be used to identify you.
Not allowing these cookies may result in some parts of the service not working properly.
| Name | Purpose | Expires |
|---|---|---|
| TABSTATE | Remembers your preference when you select 'Display content without tabs' when viewing the details of a Trade mark. | 2 years |
| SPECSTATE | Remembers your preference when you select 'Open all' on classes and terms when viewing the details of a Trade mark | 2 years |
| UKIPO-tmtext-shortlist | Remembers any trade marks you add to the shortlist in the search for a trade mark by word, phrase and/or image service. | 30 minutes |
In service feedback
We use Questback to collect feedback from links provided in the service. Questback may also set cookies.
Further information can be found at the Questback privacy policy.