Is a person who makes and sells Japanese swords or ninja stars, having learned how to make them online, considered to be in violation of intellectual property rights, especially since some of these items were made by ancient people?
There is no harm in using a method published online, with the permission of its owners, to create a permissible item such as swords.
Summarized from the full answer at Ftawy · reviewed Sep 2, 2026
Read the full answer on Ftawyhttps://ftawy.com/en/questions/181943