Legal systems on intellectual property rights of United States 并列题名:Legal systems on intellectual property rights of United States Legal issue of intellectual property right protection of genetic resources On intellectual property rights of genetic resources Research on intellectual property right alteration models 并列题名:Research on intellectual property rights protection of software Research on intellectual property rights protection of software 并列题名:Legal issue of intellectual property right protection of genetic resources Protetion of intellectual property rights cases and comments Classical cases of intellectual property rights on judicial protection in China