Tom C. Clark

“ Mexico's courts have nullified the Mexican registration of 'Bulova'; there is thus no conflict which might afford petitioner a pretext that such relief would impugn foreign law. The question, therefore, whether a valid foreign registration would affect either the power to enjoin or the propriety of its exercise is not before us. Where, as here, there can be no interference with the sovereignty of another nation, the District Court in exercising its equity powers may command persons properly before it to cease or perform acts outside its territorial jurisdiction. ”

“ Even when most jealously read, that Act's sweeping reach into 'all commerce which may lawfully be regulated by Congress' does not constrict prior law or deprive courts of jurisdiction previously exercised. We do not deem material that petitioner affixed the mark 'Bulova' in Mexico City rather than here, [13] or that his purchases in the United States when viewed in isolation do not violate any of our laws. They were essential steps in the course of business consummated abroad; acts in themselves legal lose that character when they become part of an unlawful scheme. ”

“ For 'the United States is not debarred by any rule of international law from governing the conduct of is own citizens upon the high seas or even in foreign countries when the rights of other nations or their nationals are not infringed. With respect to such an exercise of authority there is no question of international law, but solely of the purport of the municipal law which establishes the duty of the citizen in relation to his own government.' Skiriotes v. ”