Will a patent applied for in North Korea be protected in the United States?

No. Patents are territorial. Patents applied for domestically can only be protected domestically and cannot be protected abroad. For a patent in one country to be protected in another country, an international agreement on intellectual property protection needs to exist between the two countries. North Korea and the United States There is no agreement on intellectual property protection between the two countries, so patents filed in North Korea are not protected in the United States.