Standard essential patent (SEP) disputes often involve litigation in multiple different countries, which frequently leads to battles over jurisdiction as parties seek to have their claims decided in a preferred venue. One tool for doing so is a motion for an anti-suit injunction, which asks a court in one country to bar an opposing party from pursuing claims in a court in another country—or to bar the enforcement of decisions from the foreign court. Now, the Federal Circuit has weighed in on a key aspect of the caselaw governing such motions in the US. On October 24, the appellate court issued a precedential decision, in Ericsson v. Lenovo, that revisited the standard for a key threshold issue for anti-suit injunctions, loosening the requirement that a domestic case must be “dispositive” of a foreign action.