In other countries especially in American, the doctrines on the secondary implication trademark are properly emphasized and the peculiar qualities including the applicable ranges and identification criteria and the restricted rights of the secondary meaning are confirmed in judicial practices.

Product defect and the identification criteria of it reflect the aim and value of product liability law in a country.

As the promise and foundation of the investors who exevcise the shareholder rights and bear the obligations,the identification criteria of shareholders qualification has an important meaning for the investors,the company and the creditors.

The identification standard of illegal evidence is an extremely essential subject in the evidence research area.

The parentage identification standard has been setting up step by step and we should learn from the foreign successful experience,and reshape the parent-child relation in China\'s future civil code.

So it s necessary to perfect the law and define the establishing standard and legal liability for these new unfair competition actions.

As the actualizing of over-limit and over-loading controlling,weight-calculating,as a main economic method,has been carried out in some provinces,but it′s theory still haven′t been developed,there are much differences in the standard of over-limit,the mode of over-calculating rate,the standard of over-limit charge and scope of weight-calculating among with provinces.