Renewing your patent
To keep your patent in force you must renew it on the 4th anniversary of the filing date and every year after that. You can choose not to renew it or voluntarily cancel it at any time.
You can renew your patent up to 20 years.
You can renew your patent up to 3 months before the payment due date. This is the last day of the month in which the anniversary of filing falls. Therefore, If you applied on 10 May, your payment due date is 31 May each year.
How do I renew my patent?
To renew your patent, fill in Patents Form 12 (18Kb) and Fee sheet for: UK Designs, Patents, Trade Marks and PCT forms (126Kb) and send us the correct fee.
The renewal fees are as follows:
|The 5th to the 10th period of renewal is listed in the first column.The corresponding fee is listed in the second column. The 13th to the 20th period of renewal are listed in the third column, with the fees relevant to them in the fourth column.|
Send your completed forms and fee to:
Intellectual Property Office
What happens next?
We will write to confirm that we have renewed your patent for the next year.
What if I don't renew on time?
If you do not pay your renewal fee by the payment due date we will issue a reminder letter and you can still renew it up to 1 month after the payment due date at no extra charge.
You have a further 5 months in which to renew your patent. However, there is a late payment fee of £24 for each of these months in addition to the renewal fee.
If you do not renew your patent within this 6 month period you can still apply to restore your patent.
Licence of right
If your patent is endorsed licence of right, you pay half the renewal fees.
Restoring your patent
After the 6-month late renewal period, you have 13 months where you can apply to restore your patent.
You will need to give reasons for failing to pay your renewal fee, and satisfy us that your failure to renew the patent was unintentional.
If we grant your patent later than 3 years 9 months after the filing date, this is a late grant and special conditions apply.