In Singapore, late national phase entry is available as of right up to 48 months from the relevant priority date.

Beyond the 30 month deadline there is an extension fee payable for each month (SD$200/month).

Extensions beyond the 48th month deadline are also possible however the granting of an extension in this period relies on the discretionary powers of the Patent Office and requires the submission of a statutory declaration, or an affidavit, setting out the grounds for the request.