专利法

zhuān lì fǎ fāng miàn de quán wēi rén shì

专利法方面的权威人士

a leading authority on patent law

dào zhuān lì fǎ dì sān cì xiū dìng wéi zhǐ duì shuāng guǐ zhì jìn xíng le què lì

到专利法第三次修订为止，对双轨制进行了确立。

Until the exclusive law third revision, the "dual system" was established.