The report recently released by the intellectual property development research center of the State Intellectual Property Office shows that at present, there are more than 210000 necessary 5g standard patents declared worldwide, involving 47000 patent families (one patent family includes multiple patents applied in different countries and enjoying common priority). Among them, China announced 18000 patent families, accounting for nearly 40% of the world, ranking first. The target countries or regions with the largest number of necessary patents for 5g standards are 46000 in the United States, 39000 in China and 31000 in Europe. The report also shows that among the top 15 patent applicants in the world, 7 are Chinese enterprises, and 2 are from the United States, Japan, Europe and South Korea. Experts said that "wireless resource management" is still the most important technical direction of 5g standard essential patents, accounting for 46.9%, followed by access technology, multi carrier transmission, channel coding, core network and next generation access network. The total amount of 5g standard essential patents in these six technical directions accounts for 89.8%. (Xinhua News Agency)