IROPA from Switzerland charged Ningbo Duoling Company with infringement of invention patent in 2004 and claimed damage of 2 million RMB. With careful judgment, we held that the charge was not true. At court Shine® provided adequate effective proofs and defended with well-grounded points. The judgment of first instance adopted defense and dismissed the claim of IROPA. It took 7 years to finish such case and with the winning of Duoling, monopoly of transnational corporation in Chinese market based on patent was broken.