Pontefract cake map of the 1648 Siege of Pontefract (reproduced in Chartres) the liquorice is indicated as being grown in "garths" either side of Micklegate, the street which runs between Pontefract's Market Place and the castle. In the 18th century liquorice was used as a medicine both for humans and for horses. The Pontefract cake "was almost certainly a black cake, the portable lozenge used to make 'liquorish water', stamped with the castle lodge emblem of Pontefract to signify quality. This trade mark had been employed on Pontefract cakes since 1612, when the initials 'GS' were used, and are thought to be
International Union for the Protection of New Varieties of Plants that UPOV's focus on patents for plant varieties hurts farmers, in that it does not allow them to use saved seed or that of protected varieties. Countries with strong farmers' rights, such as India, cannot comply to all aspects of UPOV. François Meienberg is of this opinion, and writes that the UPOV system has disadvantages, especially for developing countries, and that "at some point, protection starts to thwart development". On the other hand, Rolf Jördens argues that plant variety protection is necessary. He believes that by joining UPOV, developing countries will have more access to new and improved varieties (better