HomeIP-GuideSri Lanka General informationInvention (PCT National Phase) Sri Lanka

Sri Lanka

  • International Country Code:

    LK
  • Time Zone:

    UTC/GMT +05:30
  • Currency:

    Sri Lankan rupee (LKR)

Sri Lankan PCT national phase entry

Sri Lanka
from 715.00
Total Number of Claims/PCT
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  • Patent fees

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

  • Deadline for the PCT national phase entry in Sri Lanka

The time limit for the PCT national stage entry in Sri Lanka is 30 months from the date of priority. The restoration of this term is not possible.

  • Minimum of filing documents in Sri Lanka

To obtain a filing date, it is necessary to provide the National Intellectual Property Office of Sri Lanka with the name and address of the applicant and the inventor, assignment deed (if applicable), description of the patent, set of claims and payment of the filing fee.

  • Language of the Sri Lankan patent application

The language of the Sri Lankan patent application is English. The application may be filed in any other foreign language; however, the English translation should be submitted within three months from the date of filing the patent application.

  • Power of Attorney requirements

A signed and stamped Power of Attorney must be provided within three months from entering the Sri Lankan PCT national phase.

  • Assignment Deed

If the applicant of the Sri Lankan patent application is not the inventor, an assignment deed signed and stamped by both parties must be provided within three months from the PCT national stage entry.

  • Search report

For granting a Sri Lankan patent, an applicant must submit an international type search report issued by any International Searching Authority according to the PCT. The Search report must be provided to the Patent Office within three months from issuance thereof and in case it is not in English the translation should be provided.

  • Grant and maintenance fees

No official grant fee needs to be paid. The first annual fees for the Sri Lankan patent will fall due within two years after the certificate has been issued.All subsequent annual fees should be paid annually before the anniversary of the international filing date. Late payment is possible within six months after alongside payment of the corresponding surcharge. Annual maintenance fees may be paid in advance.

  • Grace period

There is a one-year novelty grace period in Sri Lanka for the disclosures made by the applicant or his predecessor in title. A six-month novelty grace period is applied when the disclosure was made in abuse of the rights of the applicant or his legal predecessor in title.

  • Representation by a patent attorney

For foreign applicants, it is necessary to perform the Sri Lankan PCT national phase entry through a registered patent attorney in Sri Lanka.

The information was verified on 28.01.2019
Please contact us if the above information contains any discrepancies with Sri Lankan IP Laws.

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