Abstract
Various movements are seen about making the computer screen the protection object of the intellectual property law. The graphical user interface "GUI" provides the active screen which can be operated. The GUI began generally to be used for 1980 years, and shows rapid extent. And now it is indispensable existence in the computer software because both the user and the developer have advantages in convenience etc. Whereas, various problems pile up in the legal protection of the screen by the GUI. One problem is which law should protect the GUI. There are many precedents in the patent law and the copyright law. The "Ichitaro, Hanako" matter and the "Cybozu" matter are taken. It is the purpose of this paper to investigate a subject and view with doing the present analysis of the protection of the screen under the present condition.
