The document discusses intellectual property rights transfers between US firms and foreign businesses. There are several reasons why US firms may transfer their IPRs, such as receiving licensing fees, contributing technology to joint ventures, or shifting production to lower cost countries. International agreements like the Paris Convention and TRIPS Agreement established standards for protecting IPRs like patents, trademarks, and copyrights across signatory countries. The PCT and Madrid Protocol set up centralized filing systems for international patent and trademark applications.