- Asian
Sri Lanka is an island country located in the Indian Ocean south of the South Asian subcontinent, facing India across the Baikal Strait to the northwest. Approaching the equator, it is like summer all year round, without any four seasons. Sri Lanka is a founding member of the South Asian Association for Regional Cooperation and also a member of the Commonwealth G77、 Members of the Non Aligned Movement and the United Nations. Its capital Colombo is known as the "crossroads of the East". Mainly based on plantation economy, with weak industrial foundation, mainly focused on agricultural products and clothing processing industry.
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Patent type
1. Invention Patent
2. Design Patent -
competent department
China National Intellectual Property Administration of Sri Lanka
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Application channels
（1） Invention Patent
1. Directly submit the patent application to the China National Intellectual Property Administration of Sri Lanka;
2. The Paris Convention pathway;
3. PCT international application enters the Sri Lanka national phase.
（2） Design Patent
1. Apply directly;
2. The Paris Convention pathway.
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Application Language
English
（1） Invention Patent
Including formal examination and substantive examination. After the applicant submits an invention patent application, the China National Intellectual Property Administration of Sri Lanka will first conduct a formal examination of the application to ensure that the documents are complete and the format is correct, and the corresponding fees have been paid. For invention applications that meet the formal requirements, the examiner will conduct substantive examination on whether the invention meets the requirements of patent law in terms of novelty, creativity, and practicality. If the patent application meets the patentability standard, the China National Intellectual Property Administration of Sri Lanka will issue an invention patent certificate and publish it in the official gazette.
（2） Design Patent
Formal review. Sri Lanka industrial design applications should be submitted within 6 months from the priority date, and patents should be published based on the results of formal examination. Any three-dimensional composition of lines or colors, regardless of whether they are related to the lines or colors that constitute the unique appearance of industrial products or crafts and can be used as their patterns, can be registered as an industrial design patent in Sri Lanka.
It should be noted that Sri Lanka is unable to submit a multi category design patent application, and if a design patent litigation is conducted in Sri Lanka, non nationals must appoint a person with Sri Lankan patent lawyer qualifications to act as an agent.
20 years from the date of application
From the date of application, it can be renewed twice for 5 years each time. The longest is 15 years.
（1） Invention Patent
1. Basic information: names, addresses, etc. of inventors and applicants;
2. Necessary documents: invention patent specification, claims, abstract, and necessary drawings;
3. Other documents (if any): transfer agreement, priority documents, power of attorney, etc.
（2） Design Patent
1. Applicant information: name, address, nationality, etc;
2. Appearance design images (six sided view);
3. Briefly explain;
4. Priority proof documents (if required);
5. Power of attorney.
