Patent Filing in the UK
File your PCT national phase application in the United Kingdom with the Intellectual Property Office (United Kingdom) through AnalystIP, within 31 months from the priority date. Every requirement below is taken from the WIPO PCT Applicant's Guide and kept up to date by our team.
When is your national phase deadline in the UK?
Enter the earliest priority date of your PCT application (or the international filing date if there is no priority).
Patent filing in the UK: key facts
Reinstatement of rights under the unintentional criterion; fee 200 GBP. Restoration of priority under the unintentional criterion
40 GBP reduction on the search or examination fee when requested electronically; search fee reduced where an international search report has been established.
20 years from the international filing date
Official fees for patent filing in the UK
Filing in several countries? Compare fees with other countries →
Standard official fees (general)
From the WIPO PCT Applicant's Guide, updated May 1, 2026. Amounts in GBP. Your exact fees depend on your application: use the calculator above.
| Fee | Amount | Notes |
|---|---|---|
| National fee | GBP 40 | |
| Excess claims fee (each claim over 25) | GBP 27 | |
| Excess pages fee (each page of description over 35) | GBP 13 | |
| Search fee, where an international search report was established | GBP 200 | Electronic request: 160 |
| Search fee, other cases | GBP 240 | Electronic request: 200 |
| Substantive examination fee | GBP 170 | Electronic request: 130 |
| Reinstatement of rights | GBP 200 |
Fee reductions: 40 GBP reduction on the search or examination fee when requested electronically; search fee reduced where an international search report has been established; whole fee refunded if the application does not proceed to substantive examination and no search was made
National phase entry requirements
Time limit
31 months from the priority date (Articles 22(3) and 39(1)(b))
Also available through the European Patent Office (31 months).
Translation
Within the Article 22 or 39(1) time limit or at an earlier express request. Article 22: description, claims (both as filed and as amended, if amended), text matter of drawings. Article 39(1): description, claims, text matter of drawings, amended parts both as filed and as amended. For early entry, also the request and abstract if the IB has not communicated the application.
Late entry and reinstatement
Reinstatement of rights under the unintentional criterion; fee 200 GBP. Restoration of priority under the unintentional criterion
Agent and power of attorney
Not required; address for service in the UK, Isle of Man, Channel Islands or Gibraltar required. Agent must reside in or have a place of business in the UK, Isle of Man or an EEA Member State
Special requirements of the office
- Name and address of the inventor if not in the request: within 33 months from the priority date (early entry: 16 months from priority or two months after early-entry conditions met, whichever later); Rule 4.17 declaration may satisfy
Other information
- Colour drawings not accepted; greyscale drawings or photographs may be accepted where no other representation is possible
- Copy of the international application required only for early entry if not received from the IB
- Annex GB.I also lists: late declaration of priority 200 GBP; restoration of a patent 180 GBP; publication of translation 16 GBP
Source: WIPO PCT Applicant's Guide, national chapter, updated May 1, 2026.
Patent filing in the UK: questions
What is the deadline for PCT national phase entry in the United Kingdom?
31 months from the earliest priority date.
Can I enter the national phase in the United Kingdom after the deadline?
Reinstatement of rights under the unintentional criterion; fee 200 GBP. Restoration of priority under the unintentional criterion
In which language must the application be filed in the United Kingdom?
English. Within the Article 22 or 39(1) time limit or at an earlier express request. Article 22: description, claims (both as filed and as amended, if amended), text matter of drawings. Article 39(1): description, claims, text matter of drawings, amended parts both as filed and as amended.
Do I need a local patent attorney in the United Kingdom?
Not required; address for service in the UK, Isle of Man, Channel Islands or Gibraltar required. Agent must reside in or have a place of business in the UK, Isle of Man or an EEA Member State
Are there official fee reductions in the United Kingdom?
40 GBP reduction on the search or examination fee when requested electronically; search fee reduced where an international search report has been established; whole fee refunded if the application does not proceed to substantive examination and no search was made
How much does patent filing in the UK cost?
The cost is the official fees of the patent office plus professional fees. The standard official fees from WIPO are listed on this page; the calculator works out the exact official fees for your application (pages, claims, applicant type) after a quick email check, and our team sends a full quote on request.
File in the UK with AnalystIP
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