Is it legal to use my trademark even if it is not yet registered?

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Articles in this section

• Is there a time frame for the trademark registration approval?
• Does having a registered trademark in the United Kingdom afford me any right?
• What is the web address of the trademark national office?
• Is there any need to use my trademark before I apply for registration?
• What are the grounds for a Trademark Application to be opposed?
• Who can contest my trademark registration?
• Is it possible to cancel a registration?
• Are there any rights established by having a registered trademark?
• How long is the opposition period?
• Is the United Kingdom a member of the Madrid System?