Kamala D. Harris filed the appeal Thursday with the 9th U.S. Circuit Court of Appeals.
A three-judge panel of that court ruled Feb. 13 that people seeking concealed weapons permits needed to only cite a need for self-defense.
The San Diego County Sheriff's Department had required applicants to show good cause to carry, such as working in a dangerous job.
Sheriff Bill Gore said he wouldn't challenge the ruling, but Harris is asking the full appellate court to reverse the decision of its panel.
Harris says local law enforcement must be able to use discretion to determine who can carry a concealed weapon.
Detectives are investigating the fatal shooting of a gas station worker that happened Tuesday night in South Sacramento.
A bill in the California legislature would require criminal background checks for all ammunition purchases made in the state.
The U.S. Ninth Circuit Court of Appeals has struck down a California law limiting who can carry a concealed weapon.
It may become more difficult to buy certain kinds of guns in California. A newly implemented law is making some gun manufactures choose to leave state.