<Li> Sufficiency of disclosure </Li> <Li> Unity of invention </Li> <Tr> <Th> By region / country </Th> </Tr> <Tr> <Td> <Ul> <Li> Patent Cooperation Treaty (PCT) </Li> </Ul> <Ul> <Li> Australia </Li> <Li> Canada </Li> <Li> China </Li> <Li> Europe </Li> <Li> Germany </Li> <Li> Japan </Li> <Li> Netherlands </Li> <Li> United States </Li> </Ul> </Td> </Tr>

One of the effects of patents is to