The number of valid invention patents in China exceeded 4.56 million while the number of valid registered trademarks was about 44.24 million by the end of June, up 16.9% and 9.1% respectively, according to data released by China National Intellectual Property Administration (CNIPA) on Tuesday. In the first half of this year, China granted 433,000 invention patents, 1.1 million utility model patents and 344,000 design patents. During the same period, China saw 35,000 international applications filed under the World Intellectual Property Organization's Patent Cooperation Treaty. In terms of trademark, about 2.02 million trademarks were registered, and 3,024 domestic applications for international trademark registration in Madrid were received.