China has revised regulations protecting integrated-circuit layout designs, tightening registration standards and allowing punitive damages ?for serious infringement, as Beijing seeks to better safeguard domestic chip know-how.The revised regulations, signed by Premier Li Qiang on July 23, will take effect on October 15, the Justice Ministry and China National Intellectual Property Administration said in a document published by ?state news agency Xinhua on Monday. The rules cover detailed layouts that determine how components are arranged within a chip, ?designs that can reflect substantial engineering work and are central to semiconductor development even for companies that do not manufacture chips themselves.The…