Chandramani Bhaskar, ILS Law College, Pune ABSTRACT Intellectual property law is built on the assumption that legal rights stop at a border. Patents, trademarks, and copyrights are granted, held, and enforced within the territory of the state that recognises them, yet the Outer Space Treaty of 1967 rules out exactly the kind of territorial claim on which that system depends. This paper traces how states, space agencies, and international institutions have tried to reconcile these two regimes...