Summary: Federal Second Amendment constitutional challenge to California's ban on purchasing more than one handgun or semiautomatic, centerfire rifle in a 30-day period.

Plaintiff/Petitioner: Michelle Nguyen, Dominic Boguski, Jay Medina, Frank Colletti, John Phillips, PWGG, L.P., Darin Prince, North County Shooting Center, Firearms Policy Coalition (FPC), San Diego County Gun Owners PAC, and Second Amendment Foundation

Defendants: Rob Bonta, Attorney General of California; and Luis Lopez, Director of the Attorney General’s Department of Justice Bureau of Firearms

Counsel: Raymond DiGuiseppe

Docket: S.D. CA case no. 3:20-cv-02470, Ninth Court case no. 24-2036 | CourtListener Docket

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Key Events & Filings:

Circuit Court

• 2024-8-15: Order
• 2024-8-14: Oral Arguments
• 2024-7-27 : 28(j) Letter
• 2024-7-22: 28(j) Letter
• 2024-6-17: Appellants’ Reply Brief
• 2024-6-4: Brief Amicus Curiae of Gun Owners of California, Inc., Gun Owners of America, Inc., Gun Owners Foundation, Heller Foundation, Tennessee Firearms Association, Tennessee Firearms Foundation, Virginia Citizens Defense League, Virginia Citizens Defense Foundation, America’s Future, Inc., U.S. Constitutional Rights Legal Defense Fund, and Conservative Legal Defense and Education Fund in Support of Plaintiffs-Appellees and Affirmance
• 2024-6-4: Brief for National Shooting Sports Foundation, Inc., as Amicus Curiae in Support of Appellees
• 2024-6-4: Brief of the National Rifle Association of America as Amicus Curiae in Support of Plaintiffs-Appellees and Affirmance
• 2024-6-4: Brief of Amici Curiae California Rifle & Pistol Association, Second Amendment Law Center, and Operation Blazing Sword-Pink Pistols, in Support of Appellees and Affirmance
• 2024-5-28: Appellees’ Answer Brief
• 2024-5-13: Appellants’ Opening Brief
• 2024-4-24: Order
• 2024-4-19: Reply in Support of Emergency Motion Under Circuit Rule 27-3 for a Stay Pending Appeal
• 2024-4-15: Plaintiffs-Appellees’ Response to Defendants-Appellants’ Emergency Motion for Stay Pending Appeal
• 2024-4-4: Emergency Motion Under Circuit Rule 27-3 for a Stay Pending Appeal

District Court

• 2024-3-29: Notice of Appeal
• 2024-3-28: Judgment
• 2024-3-11: Order
• 2023-10-27: Plaintiffs’ Reply Brief in Support of Their Renewed Motion for Summary Judgment
• 2023-10-27: Defendants’ Reply in Support of Daubert Motion to Preclude Testimony of George A. Mocsary
• 2023-10-27: Defendants’ Reply in Support of Their Motion for Summary Judgment
• 2023-10-13: Plaintiffs’ Opposition to Defendants’ Renewed Motion for Summary Judgment
• 2023-10-13: Defendants’ Opposition to Plaintiffs’ Motion for Summary Judgment
• 2023-9-15: Plaintiffs’ Renewed Motion for Summary Judgment
• 2023-9-15: Defendants’ Motion for Summary Judgment
• 2023-9-15: Daubert Motion to Preclude Testimony of George A. Mocsary
• 2023-1-5: Order
• 2022-10-10: Defendants’ Response to Plaintiffs’ Supplemental Brief
• 2022-10-10: Plaintiffs’ Response to Defendants’ Supplemental Brief Concerning Cross-motions for Summary Judgment
• 2022-9-16: Plaintiffs’ Supplemental Brief in Support of Plaintiffs’ Motion for Summary Judgment
• 2022-9-16: Defendants’ Supplemental Brief in Support of Motion for Summary Judgment
• 2022-6-30: Order Requesting Supplemental Briefs
• 2022-5-13: Plaintiffs’ Reply to Defendants’ Opposition to Plaintiffs’ Motion for Summary Judgment; Plaintiffs’ Reply to Defendants’ Response to Plaintiffs’ Statement of Material Facts in Support of Motion for Summary Judgment
• 2022-5-13: Defendants’ Reply in Support of Motion for Summary Judgment
• 2022-5-13: Defendants’ Reply in Support of Daubert Motion to Preclude Testimony of George A. Mocsary
• 2022-4-29: Plaintiffs’ Opposition to Defendants’ Motion for Summary Judgment; Plaintiffs’ Objections and Responses to Defendants’ Statement of Undisputed Facts in Support of Their Motion for Summary Judgment
• 2022-4-29: Defendants’ Opposition to Plaintiffs’ Motion for Summary Judgment; Defendants’ Response to Plaintiffs’ Statement of Material Facts
• 2022-4-11: Plaintiffs’ Opposition to Defendants’ Daubert Motion to Preclude Testimony of George A. Mocsary
• 2022-4-8: Defendants’ Daubert Motion to Preclude Testimony of George A. Mocsary
• 2022-4-8: Defendants' Motion for Summary Judgment
• 2022-4-8: Plaintiffs' Motion for Summary Judgment
• 2021-3-19: Answer to Complaint
• 2020-12-21: Objection to Notice of Related Cases
• 2020-12-18: Notice of Related Cases
• 2020-12-18: Complaint

News Releases:

• 2024-8-15: California “1-in-30” Firearm Ban Blocked Following Ninth Circuit Order
• 2024-5-29: FPC Defends Win in California ‘1-in-30’ Firearms Ban Lawsuit
• 2024-5-14: UPDATE: California Files Brief Defending "1-in-30" Firearm Ban at Ninth Circuit
• 2024-5-13: UPDATE: Fight Over California’s “1-in-30” Firearm Ban Kicks Off at Ninth Circuit
• 2024-4-16: FPC Files Opposition to California’s Motion to Save Gun Rationing Ban During Appeal
• 2024-3-11: FPC WIN: Federal Judge Strikes Down California’s “One-Gun-A-Month” Firearm Purchase Law
• 2023-9-18: FPC Files Updated Motion in its Fight Against California’s “1-in-30” Firearm Purchase Ban
• 2022-9-19: FPC Files Supplemental Brief in Lawsuit Challenging California’s ‘1-in-30’ Firearm Purchase Ban
• 2020-12-18: FPC Challenges California’s ‘1-in-30’ Firearm Purchase Ban in New Second Amendment Lawsuit