According to the Changsha Intellectual Property Office, the provincial capital set a record last year when patent applications and authorizations both surpassed 10,000 for the first time. For two consecutive years the city has ranked in the top 10 nationwide - excluding China's four municipalities - in number of invention patents granted. Its 400 international patents filed through the Patent Cooperation Treaty topped all provincial capitals.
(Source: Hunandaily.com)
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