The protection period of a Cambodian invention patent is 20 years from the date of application. The Cambodian Patent Law defines invention as: "a technical solution proposed by the inventor to solve a specific problem in a technical field, including products and methods." An invention applying for a patent must possess "three properties": novelty, creativity, and industrial applicability.
The application methods for Cambodian invention patents are to designate the country in the PCT international application and apply in the country under the Paris Convention.