SACRAMENTO, Calif.--California Attorney General Bill Lockyer recently left yet another state legal-action headache for his successor, Jerry Brown, to remedy.

Several leading pharmaceutical manufacturers, including Eli Lilly & Co., AstraZeneca PLC and Bristol-Myers Squibb Co., recently revealed that they have received subpoenas from Lockyer's office to reveal information about their anti-psychotic prescription drugs. The subpoena requests marketing practices and status on California's insurance list of "preferred drugs."

Eli Lilly's anti-schizophrenic drug Zyprexa racked up $4.2 billion in sales last year while AstraZeneca's Seroquil notched $2.76 billion. The companies say they are in the initial stages of complying with AG's subpoena.