HomeIP-GuideSingapore General informationInvention (PCT National Phase) Singapore


  • International Country Code:

  • Time Zone:

    UTC/GMT +08:00
  • Currency:

    Singapore dollar (SGD)

Singaporean PCT national phase entry

from 707.00
Ask us a question about IP protection in Singapore
Contact attorney
  • Patent fees

Fees associated with Singaporean PCT national phase entry as well as other patent fees are available in the fee calculator.

  • Deadline for the PCT national phase entry in Singapore

The time limit for the PCT national stage entry in Singapore is 30 months from the date of priority. The term for restoring the deadline is 18 months from the expired date.

  • Minimum filing requirements in Singapore

To obtain the date of filing a patent application based on PCT should contain:
- the filing number and date of the PCT application,
- a country, filing number and date of the priority application(s),
- advise whether Chapter I or Chapter II entry,
- abstract, description and drawings (if the PCT application has not been published).

  • Language of the Singaporean patent application

The official language of the Singaporean patent application is English. Filing an application in any other foreign language is not permitted. Verified English translation of the specification is required if the PCT application is not filed or published in English.

  • Power of Attorney requirements

Submission of the Power of Attorney is not required for PCT national phase entry in Singapore.

  • Substantive examination request

An applicant of the Singaporean patent application has several options in respect of substantive examination procedure in Singapore:
- to file a request for search and examination (36 months from the priority date, extendable by 18 months);
- to file a request for substantive examination based on the International Search Report (36 months from the priority date, extendable by 18 months);
- to rely on International Preliminary Report on Patentability (54 months from the priority date, extendable by 18 months). The supplementary examination should be requested;
- to rely on a foreign patent results of a search and examination report of the corresponding application (
54 months from the priority date, extendable by 18 months) in Australia, Canada, Japan, New Zealand, South Korea, the UK, the USA and the EPO. The supplementary examination may be requested for PCT applications with the international filing date before January 1, 2020. 

It is possible to file a request for use of the search and examination results from the ASPEC member-country, and thus expedite the examination process. 

  • Novelty grace period

12 months novelty grace period before filing the application, or, if priority is claimed before the priority date provided that the disclosure was made as a result of a breach of confidence or where the inventor revealed the invention at an international exhibition or before a learned society.

  • Maintenance fees

It is necessary to file a request for the issuance of the Certificate of Grant and pay the corresponding fee within 2 months after the issuance of the Notice of Eligibility to proceed with grant. Patent applications are subject to the payment of the grant fee. The first annual fee is due on the fourth anniversary of the international filing date (for the fifth year).

  • Representation by a patent attorney

Foreigners must perform the prosecution of PCT national stage entry application in Singapore through an agent, a Singaporean-registered patent attorney.

  • Notes

1. Online Search database for Singaporean Patents.
2. Patents granted in Singapore after February 11, 2003 may be reregistered in Cambodia and obtain effect without examination.

3. Patents granted in Singapore may be reregistered in Lao People's Democratic Republic. The patent must be in force at the time of lodgement of reregistration request.
4. Entering the PCT national phase in Singapore as a utility model is not possible.


Brief summary is based on the information provided by Soroker, Agmon, Nordman on 05.03.2020
Please contact us if the above information is not in conformity with Singaporean IP Laws.