Patentability Search is an important means to improve the quality of patent application, which can play the following roles:

(1)Determine the possibility of obtaining a patent right

(2)Delimit the scope of patent protection

(3)Provide relevant technical background

(4)Avoid infringement

Search object: Various technical schemes and concepts to be applied for invention, utility model or design

Scope of Search: China, U.S.A., Japan, Europe, PCT applications, and may also include patent documents of specific countries such as Southeast Asia, Canada, Australia, and important academic journals at home and abroad.