Useful documents and links

http://www.gdblaw.com/images/doc/BusinessUSA_Eng.pdf     
Doing Business in the USA. Aaron Wise. White paper. 2009.
Extensive paper on legal aspects of doing business in US.
    
http://tinyurl.com/o8x63pg     
Doing business in us. Foley Hoag LLP. Guide. 2010
Extensive guide on legal aspects of business structure and taxation in US.
    
http://tinyurl.com/pkabdbo     
A Foreign Investor's Guide to Doing Business in the United States. Joseph Nacmias. Guide 2011.
    
http://tinyurl.com/le38qcu     
Investing in the U.S.– A Guide for International Companies. KPMG. Guide. 2011
    
http://www.uspto.gov/ip/global/index.jsp     
Office of Policy and External Affairs. Website
Formulates U.S. domestic and international policy regarding protection and enforcement of intellectual property rights
    
http://tinyurl.com/nw4oea7     
United States customs Import industry guide. dhl. Guide 2012
Practical guide to requirements for sending goods to USA.
    
http://tinyurl.com/nsbknre     
Customs 101: Importation Process Basics. Crowell & Moring LLP et a. Guide. 2010