Patent Filing in Singapore
File your PCT national phase application in Singapore with the Intellectual Property Office of Singapore (IPOS) through AnalystIP, within 30 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 Singapore?
Enter the earliest priority date of your PCT application (or the international filing date if there is no priority).
Patent filing in Singapore: key facts
Reinstatement of rights under due care and unintentional criteria; request within one month from the date of national phase entry; fee 250 SGD.
None
Request examination within 36 months from the priority date.
20 years from the international filing date
Due after grant, from the 5th year, within the three months ending on the 4th and each later anniversary of the international filing date.
Possible
Official fees for patent filing in Singapore
Filing in several countries? Compare fees with other countries →
Standard official fees (general)
From the WIPO PCT Applicant's Guide, updated May 7, 2026. Amounts in SGD. Your exact fees depend on your application: use the calculator above.
| Fee | Amount | Notes |
|---|---|---|
| National (filing) fee | SGD 210 | Patents Form 37 |
Fee reductions: None
National phase entry requirements
Time limit
30 months from the priority date (Articles 22(1) and 39(1)(a)); extendable by up to 18 months on payment of the prescribed fee
Can be extended by up to 18 months with a fee.
Translation
Within the Article 22 or 39(1) time limit or at an earlier express request. Article 22: description, claims (if amended, both as filed and as amended, with any Article 19 statement), text matter of drawings, abstract. Article 39(1): description, claims, text matter of drawings, abstract; if amended, both as filed and as amended by the annexes to the IPRP Chapter II.
Late entry and reinstatement
Reinstatement of rights under due care and unintentional criteria; request within one month from the date of national phase entry; fee 250 SGD. Restoration of priority under both criteria (Rule 49ter.2), Patents Form 57 (250 SGD)
Agent and power of attorney
Not required, but an address for service in Singapore is required; any individual, partnership or body corporate entitled to practise before the Registry of Patents may act
Special requirements of the office
- Verification of translation (within two months of the national phase entry deadline)
- Name and address of the inventor if not in the request (within two months of the deadline; Rule 4.17 declaration may satisfy)
- Address for service in Singapore
Other information
- Copy of the international application required only for entry before international publication (Article 23(2) or 40(2))
- Colour drawings not accepted; greyscale accepted
- Annex SG.I: search and examination request (Form 11) 1,750 SGD if IPOS ISR/IPRP, otherwise 2,050 SGD, plus 80 per claim over 15; examination report (Form 12) 1,420 plus 80 per claim over 15; grant fee (Form 14) 210; renewal fees from 176 SGD (5th to 7th year)
- Request for examination report (Form 12) within 36 months from the declared priority date
- Forms must be filed through the IPOS Digital Hub (EOS)
Source: WIPO PCT Applicant's Guide, national chapter, updated May 7, 2026.
What you need to file in Singapore
Not required.
Not required.
Filing requirements in detail
| Extension of the filing deadline | Yes/ Upto 18 Months |
|---|---|
| Late translation allowed | No |
| Article 19 amendments | Possible |
| Chapter II / Article 34 amendments | Possible |
| POA formalities | Not required |
| Assignment / certificate of incorporation formalities | Not required |
| PPH fee | 550 |
Patent filing in Singapore: questions
What is the deadline for PCT national phase entry in Singapore?
30 months from the earliest priority date.
Can I enter the national phase in Singapore after the deadline?
Reinstatement of rights under due care and unintentional criteria; request within one month from the date of national phase entry; fee 250 SGD. Restoration of priority under both criteria (Rule 49ter.2), Patents Form 57 (250 SGD)
In which language must the application be filed in Singapore?
English. Within the Article 22 or 39(1) time limit or at an earlier express request. Article 22: description, claims (if amended, both as filed and as amended, with any Article 19 statement), text matter of drawings, abstract.
Do I need a local patent attorney in Singapore?
Not required, but an address for service in Singapore is required; any individual, partnership or body corporate entitled to practise before the Registry of Patents may act
Is a power of attorney needed, and must it be legalized?
Not required.
Are there official fee reductions in Singapore?
None
How does examination work in Singapore?
Request examination within 36 months from the priority date.
How much does patent filing in Singapore 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 Singapore with AnalystIP
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