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On 10 October 2011, the State Intellectual Property Office of China (SIPO) and the German Patent and Trademark Office (DPMA) signed an agreement for a pilot project for a Patent Prosecution Highway (PPH) between both offices. From 23 January 2012 onwards, applicants can request accelerated application at the office of second filing, if the application was previously filed in the partner country. The two-year pilot will end on 22 January 2014.