北京元本知识产权代理事务所--专利,专利申请,元本,PCT,专利无效
Beijing Yuanben Intellectual Property Law Office, is a listed IP law firm appointed by the Chinese government to deal with foreign patent-related affairs on July 16,2008. Yuanben has a team of experienced patent attorneys. Seven of us have worked for decades as patent examiners in the State Intellectual Property Office of China (SIPO).