药品失效专利信息检索可以通过各个国家地区的专利数据库实施，同时也可以通过各个国家地区的专利公报电子版进行跟踪获取。
The information of invalid drug patent can be sought through patent database in the patent organization of nation or region respectively; also, it can be tracked in terms of online patent gazette.
因此，大量的网上购物、医疗诊断检查和华尔街进行交易的规程等方面的专利可能面临失效的局面。
As a result, a lot of patents for online shopping, medical-diagnostic tests and procedures for executing trades on Wall Street could be invalidated.
随着十几个畅销药品的专利保护期在今后的两年中逐渐失效，这种榨取行为将会愈演愈烈。
The squeeze will get worse as a dozen top-selling drugs lose patent protection over the next two years.
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