PCT National Phase Entry
Deadlines: 30 months from earliest priority; restoration of this term is not available.
Documents: Form P1, Specification in English, (if non-English then English translation within 3 months from the national filing/date of entry) along with Applicant and inventor details. Power of Attorney (if filed through local agent), and Deed of Assignment (if applicant is not inventor) file within 3 months from filing/entry. ISA search report must be submitted within 3 months of its issuance.
Priority Document: Must be filed at the WIPO. If not in English, translation/verification for must be filed with the 3?month.
Conventional Priority Entry
Deadlines: 12 months from earliest priority. No restoration of this term is available.
Documents: Form P1, Specification in English, (if non-English then English translation within 3 months from the national filing/date of entry) along with Applicant and inventor details. Power of Attorney (if filed through local agent), and Deed of Assignment (if applicant is not inventor) file within 3 months from filing/entry.
Priority Document: Must submit a certified copy of the priority document within 3 months from the Sri Lankan filing date.
Other Requirements
Languages: Official language is English. Applications lodged in other languages must be accompanied by, or followed with, an English translation within 3 months of filing or national phase entry.
Power of Attorney: Simply signed and stamped original PoA required. Must be submitted at the or within 3 months from filing/national phase entry. Notarization is not required by default.
Declaration of Inventorship/Assignment Deed: A declaration by the inventor is required with the application, together with a statement justifying the applicant's right if the applicant is not the inventor. If the applicant is not the inventor, provide a signed and stamped assignment within 3 months from filing/entry.
Family Patent Information: No such requirement.
Substantive Examination Request: Examination proceeds only upon request for examination filed within 36 months from the filing date and only after 60 days from publication.
Patent Validity: Patent term is 20 years from the filing date; annuities are due annually starting from the end of the second year from the date of grant, payable each year before the filing date anniversary; late payment is possible with surcharge within 6 months.
Annual Maintenance: No annuities are due during the application phase and the first renewal falls due 24 months after the grant date. Subsequent annuities are due annually on the grant anniversary; late payment is possible with a surcharge within a 6?month grace period.
Working Statement: Does not prescribe an annual working statement filing
Reference Guide Patents – The Process
Fee Schedule Patents
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