Tianjin Deli Electronic Instrument Co., Ltd filed the Deli trademark on Feb21,2006,and was examined preliminarily on Oct13,2009, but it got an opposition within the publication period. In order to protect its legal trademark interests,Tianjin Deli Electronic Instrument Co., Ltd entrusted Gaowo to response the trademark opposition.

Under Gaowo’s instructions,Tianjin Deli Electronic Instrument Co., Ltd provided plenty of evidences of the first to use of its trademark. And then Gaowo applied the relevant laws and regulations accurately and filed the application to register the trademark to Trademark Office on Dec15,2010.