Q: Do trademarks of supermarkets or companies belong only to their owners so much so that others have no right to use the same trademarks for their businesses? To give an example, suppose that a person owns a business bearing the name of the family. Is it permissible for another member of the same family to use the same name for their business? And is it permissible for another person, who does not belong to the same family, to trade under the same name?
A: If the government, according to the ongoing laws gives the trademarks to someone who requested it earlier than the others and the trademark is registered in their names in administrative files, then, it is not permissible for others — including the family members of the person who acquired that trademark — to use it without the permission of its owner. Otherwise, there is no objection to doing so.