巧妙选择需要注册的专利、需要注册的国家以及专利维护的力度和尺度格外重要。国际专利注册费昂贵,回报较低,但国际企业之所以乐此不疲地耗巨资申请,主要是为了从国际专利无形资产中 Clever choice of the need to register a patent, need to register the country and the strength and scale of patent maintenance is particularly important. International patent registration fee is expensive, the return is low, but the reason why international companies spend huge amounts of money bored application, mainly to the international patent intangible assets