专利审查
Utility models are similar to patents, but require a less stringent review process and offer a shorter protection period.
实用新型类似于发明专利,但是审查程序没有那么严格,保护周期也更短。
Developing countries could produce cheaper vaccines that protect against cervical cancer by using routes that do not violate patents on existing costly products, a review article suggests.
一份综述提出,发展中国家可以通过不违反现有的昂贵疫苗专利的途径制造预防宫颈癌的更廉价疫苗。
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