Pennsylvania is not one of the states that have stand your ground laws, but the state does follow the castle doctrine, which shares similar traits. This law allows you to use force without first having to retreat from imminent danger if you're at home, in your car, or at your workplace.

Pennsylvania does not require a permit to carry a handgun, except in Philadelphia, as long as the carrier displays the gun openly. In order to carry a concealed handgun anywhere in Pennsylvania, carry a concealed or non-concealed handgun in Philadelphia or have a handgun in a vehicle, a person needs to have a License to Carry Firearms issued by the state.

Even if a person has a license, the law prohibits people from carrying guns in elementary or secondary schools and courthouses.

The more you know.