Decades: 450s BC 440s BC 430s BC 420s BC 410s BC - 400s BC - 390s BC 380s BC 370s BC 360s BC 350s BC
409 BC 408 BC 407 BC 406 BC 405 BC 404 BC 403 BC 402 BC 401 BC 400 BC
... copyright holder. The context is most commonly digital (ie, as in a computer or computerized device), hence the 'digital' in DRM. In contrast to existing legal restrictions ...