letters patent

It's not necessary to transfer the possession of letters patent for the creation of the pledge right of patent right.

专利权质权的设定不以移转专利证书的占有为必要。

It has been that way since Henry VI awarded the first English letters patent in 1449.

自英国国王亨利六世（Henry VI）在1449年授出史上第一份专利特许证以来，这个制度一直就是这样的。

Re-letting right [ commercial tenant] assignment of letters patent and trade mark

转租权利〔商业租户〕专利证书及商标转让

The only way the baby could become a prince or princess is the Queen chooses to issue what's called a Letters Patent, which she did for Prince George.

要是想得到王子或者公主的头衔，唯一的方法就是女王发布专利证书，此前伊丽莎白就为乔治王子发布了证书。

Assignment of letters patent and trade mark

专利证书及商标转让