The article discusses how U.S. courts determine if they have jurisdiction over foreign corporations in civil cases. It explains that general jurisdiction can be asserted over a corporation if it has continuous and systematic contacts with the forum state, even if the lawsuit is not directly related to those contacts. The paper analyzes recent Supreme Court cases to show that the rules for general jurisdiction have evolved, with a focus on the "essentially at home" test introduced in 2011 and 2014. The findings suggest that general jurisdiction may be recognized in exceptional cases beyond a corporation's main place of business or state of incorporation, but the standards for allowing general jurisdiction are becoming more restrictive.