In Pennsylvania, a person is guilty of robbery if, in the course of committing a theft, he or she:
1. inflicts serious bodily injury upon another (first degree felony);
2. threatens another with or intentionally puts him in fear of immediate serious bodily injury (first degree felony);
3. commits or threatens immediately to commit any felony of the first or second degree (first degree felony);
4. inflicts bodily injury upon another or threatens another with or intentionally puts him in fear of immediate bodily injury (second degree felony); or
5. physically takes or removes property from the person of another by force however slight (third degree felony)
NOTE: In order to be found guilty of robbery in Pennsylvania, the District Attorney must prove all the elements of theft (see above) OR that you simply attempted to commit a theft.