The importance of patent strategy is recognized by many companies.However.there is still no maturing model to form or implement patent strategy.Technical standard is a good tool for getting market share,it is the dream of any company.The formation of GSM as a technical standard is reviewed,and the patent strategy of Motorola and Nokia,etc is concluded.It show that,as a key patentee in the technical standard,company can mine the direct and indirect value of the patents to improve the market share as well as sustain the technical advantage.As a new-comer or follower in the technical standard,in order to catch up,the companies can purchase patents,then focus on it,invest in it continuously,learn and innovate actively.