 
Senior District Judge
USDC Southern District of California
James M. Carter and Judith N. Keep U.S. Courthouse
Days:
M-F
Courtroom/Floor:
14B
333 W Broadway
San Diego , CA 92101
(619) 557-6420
Senior status August 2021; appointed by President George W. Bush, 2003.
Judicial Profiles
| Title | Court | Published | 
|---|---|---|
| William Q. Hayes | Southern District (San Diego) | May 19, 2015 | 
Rulings
| Case | Category | Published | 
|---|---|---|
| Ruiz v. The Bradford Exchange Ltd. reversed and remanded | Civil Procedure | Aug. 28, 2025 | 
| Nguyen v. Bonta affirmed | Constitutional Law | Jun. 20, 2025 | 
| U.S. v. Yafa affirmed | Criminal Law and Procedure | May 15, 2025 | 
| Thai v. County of Los Angeles affirmed | Civil Rights | Feb. 12, 2025 | 
| U.S. v. Nasri vacated and remanded | Civil Procedure | Oct. 29, 2024 | 
| Jackson v. Amazon.com, Inc. affirmed | Arbitration | Apr. 19, 2023 | 
| Amended Opinion: U.S. v. Rosenow author | Civil Rights | Oct. 3, 2022 | 
| Amended Opinion: Aylward v. SelectHealth affirmed | Health Care | May 31, 2022 | 
| U.S. v. Rosenow author | Civil Rights | Apr. 28, 2022 | 
| Aylward v. SelectHealth affirmed | Health Care | Apr. 14, 2022 | 
| Williamson v. City of National City reversed | Civil Rights | Jan. 25, 2022 | 
| Quintero Perez v. U.S. affirmed | Civil Rights | Aug. 17, 2021 | 
| Moser v. Benefytt, Inc. vacated and remanded | Civil Procedure | Aug. 11, 2021 | 
| U.S. v. Mayea-Pulido affirmed | Civil Procedure | Jan. 6, 2020 | 
| Nehad v. Browder affirmed in part | Civil Rights | Jul. 12, 2019 | 
| Brinkley v. Monterey Financial Services Inc. vacated and remanded | Civil Procedure | Oct. 23, 2017 | 
| Mahoney v. City of Seattle author | Constitutional Law | Sep. 20, 2017 | 
| Hall v. Haws affirmed | Criminal Law and Procedure | Jul. 5, 2017 | 
Verdicts & Settlements
| Title | Court | Published | 
|---|---|---|
| William Q. Hayes | Southern District (San Diego) | May 19, 2015 | 
| Case | Category | Published | 
|---|---|---|
| Ruiz v. The Bradford Exchange Ltd. reversed and remanded | Civil Procedure | Aug. 28, 2025 | 
| Nguyen v. Bonta affirmed | Constitutional Law | Jun. 20, 2025 | 
| U.S. v. Yafa affirmed | Criminal Law and Procedure | May 15, 2025 | 
| Thai v. County of Los Angeles affirmed | Civil Rights | Feb. 12, 2025 | 
| U.S. v. Nasri vacated and remanded | Civil Procedure | Oct. 29, 2024 | 
| Jackson v. Amazon.com, Inc. affirmed | Arbitration | Apr. 19, 2023 | 
| Amended Opinion: U.S. v. Rosenow author | Civil Rights | Oct. 3, 2022 | 
| Amended Opinion: Aylward v. SelectHealth affirmed | Health Care | May 31, 2022 | 
| U.S. v. Rosenow author | Civil Rights | Apr. 28, 2022 | 
| Aylward v. SelectHealth affirmed | Health Care | Apr. 14, 2022 | 
| Williamson v. City of National City reversed | Civil Rights | Jan. 25, 2022 | 
| Quintero Perez v. U.S. affirmed | Civil Rights | Aug. 17, 2021 | 
| Moser v. Benefytt, Inc. vacated and remanded | Civil Procedure | Aug. 11, 2021 | 
| U.S. v. Mayea-Pulido affirmed | Civil Procedure | Jan. 6, 2020 | 
| Nehad v. Browder affirmed in part | Civil Rights | Jul. 12, 2019 | 
| Brinkley v. Monterey Financial Services Inc. vacated and remanded | Civil Procedure | Oct. 23, 2017 | 
| Mahoney v. City of Seattle author | Constitutional Law | Sep. 20, 2017 | 
| Hall v. Haws affirmed | Criminal Law and Procedure | Jul. 5, 2017 | 
 

 
