Spring Assisted Knives or Assisted Opening by definition are 100% legal in all 50 states and has been recently upheld by both the house and the senate 10/2009.
Push button automatic knives or switchblade knives are bound by federal and local laws throughout the country.
California or Cali Legal knives are push button knives that are legal in all 50 states simply because of the length of the blade. We are not responsible for laws that were updated in your area or laws that we are unaware of. It is you the consumer whom has the burden of ultimately knowing the laws in your locale.