Patentable discoveries 271 Procedure in issuing patents 274 Nature and scope of the right secured 274 Power of Congress over patent rights 275 State power affecting patents and copyrights 276 Trade-marks and advertisements 276 Clause 9. _See_ article III 277 Clause 10. Piracies and felonies 277 Origin of the clause 277 Definition of offenses 277 Extraterritorial reach of the power 278 Clauses 11, 12, 13, and 14. War: Military establishments 279 War power 279 Source and scope 279 An inherent power 280 A complexus of granted powers 281 Declaration of war: When required 281 Prize Cases, The, (1863) 282 Power to raise and maintain armed forces 283 Purpose of specific grants 283 Time limit on appropriations for the army 283 Establishment of the air force 284 Conscription 284 Care of the armed forces 285 Trial and punishment of offenses 285 War legislation 286 Revolutionary war legislation 286 Civil War legislation 287 World War I legislation 287 World War II legislation 288 Mobilization of industrial resources 288 Delegation of legislative power in wartime 289 Mergence of legislative and executive in wartime 290 Doctrine of Lichter _v._ United States 290 War powers in time of peace 291 Atomic Energy Act 292 Postwar legislation 292 Private rights in wartime 293 Enemy country 293 Theatre of military operations 294 Enemy property 294 Prizes of war 295 Police regulations: Rent control 296