The grant of compulsory licenses is foreseen three years after the patent is granted without it being used. Legitimate excuses are accepted for the lack of use of the patent. Cancellation for lack of working not provided. Trademarks Notorious marks are non-registrable by third parties. Characters covered by a copyright belonging to a third party are non-registrable.
Protection is for a term of ten years renewable for equal terms.
No proof of use is required. International Classification was adopted. There is cancellation for lack of use in any of the Andean Pact countries during five years preceding cancellation action. Legitimate excuses for lack of use are permitted. Decision 313 contains provisions concerning collective marks, service marks, trade names and slogans.