wipo.int

78abx TIL that the first trademark legislation was passed by the British Parliament under the reign of King Henry III in 1266, which required all bakers to use a distinctive mark for the bread they sold, Bakers’ Marking Law was enacted.
v1kEK TIL Any PCT filed patents are also valid and enforced in North Korea as it ratified the Paris Convention on July 8, 1980.
OOAL TIL concrete can be made translucent by incorporating optical fibers in merely 4% of its volume. The material feels and behaves just like concrete, but allows light to pass through.