Service invention refers to the invention, utility model patent or design patent accomplished by an employee in his or her task execution under an employment relationship. According to Article 7-1 of the Patent Act, the patent application right and patent rights to the invention, utility model patent or design patent accomplished by an employee in his or her task execution, shall belong to the employer. In this case, the employer shall pay proper remuneration to the employee. However, it is not limited to the case separately agreed in the contract, in which what is regulated in the contract shall be followed.