China Leads All Nations in Publication of Chemical Patents According to CAS, the World's Most Author

China Leads All Nations in Publication of Chemical Patents According to CAS, the World's Most Authoritative Publisher of Chemical Information Chemical Abstracts Service (CAS), the global expert on chemical information, reports that China's patent office is now the world's leading producer of patent invention applications in chemistry. China trailed Japan's patent office, the World Intellectual Property Organization (WIPO), and the United States Patent and Trademark Office (USPTO) for more than a decade, but passed the USPTO in 2005, WIPO in 2006, and exceeded Ja
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