common law?
) marks if they are actually used in commerce. In addition, each state provides local protection for both registered and unregistered marks under regulations governing unfair competition. Most other countries require prior registration to protect a mark. If you register a trademark with the PTO, you have rights to the mark only in the United States and its territories. If you want protection in other countries, you must register the mark in each country in which you want to protect it. However, you can file a single trademark application that covers all the European countries. Contact an attorney for help on rights and procedures in other countries.
