Japanese government has been trying to reform its Intellectual Property Rights System since the early 1990's. In particular, prime minister Koizumi started IPR reform right after he had taken office in 2001. Now Japan's IPR system has been changed from its old form and is expected to improve the efficiency of public R&D investment to contribute to enhancing Japan's economic competitiveness.On the contrary, our country's IPR system has a lot of systematic challenges and problems. (The rest is omitted.)