绿色印刷已成为全球印刷行业发展趋势，传统印刷企业亟待绿色转型，技术密集型的“绿色”企业将赢得未来发展机遇。该文分析了绿色印刷产业关键技术领域的专利布局以及重要研发企业在日本、美国、中国和欧洲绿色印刷市场的技术竞争态势与专利保护策略.

The green printing has been a global development trend in traditional printing industry, and “green” technology-intensive enterprises will obtain development opportunities in the future. In this article, the patent layout of key technologies of green printing industry was analyzed to reveal the enterprises’ technological competitive situations and patent strategies in Japanese, US, Chinese and European green printing markets respectively.