Useful resources:
Government departments and agencies:
State Intellectual Property Office of the People's Republic of China
Trademark Office, State Administration For Industry And Commerce of the People's Republic of China
The National Copyright Administration of People's Republic of China
The Customers General Administration, People's Republic of China
Intellectual Property Department, The Government of the Hong Kong Special Administrative Region
World Intellectual Property Organization
United States Patent and Trademark Office
European Patent Office
European Patent Office - esp@cenet
Office for Harmonization in the Internal Market, Trade Marks and Designs
US Patents Search by Google
Books on Intellectual Property
Books on China Intellectual Property (Amazon UK)
Books on China Intellectual Property (Amazon US)
Books on China Trademark (Amazon US)