Patent

Sri Lanka

BASIC FACTS

Patent Protected
Product Patent and Process Patent
Patentable Inventions as per Patent Act
Inventions which satisfy the conditions of novelty, inventive step and capable of industrial application, are subjected to patentability.
Inventions not Patentable
15d75fd407aecc1568013632@_Worksheet_in_Sri_Lanka_Patent.xlsx
Non-Convention Application
No
Convention Application
Yes
PCT National Phase Application
Yes
Divisional Application
Yes
Patent of Addition
No
Patent of Importation (Patent of Introduction)
No
Others
No
Utility Model Protection is provided under Patent
Please note that in Sri Lanka there are no provisions relating to utility model applications. However, the same can be submitted in the same manner as a patent application.
Type of Application
N/A
Time Period
30 Months
Extended Deadline
N/A
Patent of Invention
20 Years
Utility Model Patent
N/A
Design Patent
N/A
Extension of Foreign Patent
N/A
Exceptions (e.g. Pharmaceutical Patents)
N/A

PROSECUTION

Basic Number of Pages
N/A
Basic Number of Claims
N/A
Basic Number of Dependent Claims
N/A
Basic Number of Independent Claims
N/A
Types of Claims
N/A
Invention Specification
N/A
Language of Specification
English
Translation required
No
Due date to file the translation
N/A
Power of Attorney (In case of individual applicant, copy of passport is required)
Signed & Sealed
Deed of Assignment
Notarized
Priority Document, with required translation
Certified
Incorporation Certificate, with required translation
Notarized
Home / Foreign Registration Certificate, with required translation
Notarized
International Search Report (ISR), in case of PCT
Yes
International Preliminary Examination Report (IPEA), in case of PCT
Yes
Declaration of Ownership
No
Declaration of Nationality
No
Copy of Inventor's Passport
No
Other Documents
Verification of Translation (If the priority document is not filed in English, a translation of the specifications is required with a Verification of Translation. Please note that the Verification of Translation should have the signature and official seal
Applicability of Examination
Mandatory
Time of Examination
Pre-Publication
Time Frame from the Date of Application
1-3 Month
Deadline to File the Reply
3 Months
Permissible Extension to File the Reply
Yes
Period of Permissible Extension
3 Months
Time Frame for Issuance of Decision
At the discretion of the Director General of National Intellectual Property Office in Sri Lanka
Applicability of Examination
Optional
Time of Examination
Pre-Publication
Time Frame from the Date of Application
12-18 Months (minimum)
Deadline to File the Reply
3 Months
Permissible Extension to File the Reply
Yes
Period of Permissible Extension
3 Months
Time Frame for Issuance of Decision
At the discretion of the Director General of the National Intellectual Property Office in Sri Lanka
Applicability of Examination
N/A
Time of Examination
N/A
Time Frame from the Date of Application
N/A
Deadline to File the Reply
N/A
Permissible Extension to File the Reply
N/A
Period of Permissible Extension
N/A
Time Frame for Issuance of Decision
N/A
Applicability of Publication
No
Time Frame of Publication from Date of Acceptance
N/A
Applicability of Publication
Yes
Time Frame of Publication from Date of Acceptance
36-48 Months (minimum)

OPPOSITION

Applicability of Opposition
No