本文主要就专利机制在科技知识研究与开发、许可、扩散等方面发挥的调节作用与非专利机制进行比较研究 ,讨论了专利机制对市场功能失灵弥补的必要性以及专利机制的相对优势。本文认识到不同科技研究与开发领域需要各种不同的保护机制。专利机制并不是一种能够适应各行各业和各 This paper mainly studies the regulatory role played by the patent mechanism in the research, development, licensing and diffusion of scientific knowledge and non-patent mechanisms, and discusses the necessity of the patent mechanism to compensate for the market failure and the relative advantages of the patent mechanism. This paper recognizes that different kinds of protection mechanisms are needed in different areas of technology research and development. Patent mechanism is not a can adapt to all walks of life and each