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Forms part of

Paris Convention
Convention establishing World Intellectual Property Organization (WIPO)
Agreement concerning the Trade-Related Aspects of Intellectual Property (TRIPS)

Patents of Invention

Absolute novelty

12-month grace period for disclosures by the applicant.

Formal examination with a search and substantive examination.

20 years from filing date
Annual maintenance fees

No use requirement, but insufficient use may be a ground for the grant of a compulsory license.