Attorney RecordLos Angeles County
Brian James Hennigan · California Lawyer
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Brian James Hennigan is on California’s State Bar roll, #86955, admitted in 1979; license status: active as of 22 July 2026. The address of record is in Los Angeles, Los Angeles County. 8 practice areas are listed in the registry, shown on this page. This profile lists one third-party recognition, in Chambers USA 2026, as published by Chambers and Partners. Registry record updated 8 October 2026; license information comes from the State Bar.
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Verified against official State Bar of California records · record last updated 8 October 2026. Contact information on this page comes from the public record and is shown free, the registry never paywalls it.
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The record
| State Bar number | #86955 |
|---|---|
| License status | Active |
| Admitted | 1979 |
| Law school | Northwestern Univ SOL |
| Firm | Brian Hennigan |
| Location | Los Angeles, Los Angeles County |
| Registry identity | Official State Bar record |
Practice areas
Practice areas are self-reported to the State Bar or added by the attorney; listing one is not a State Bar certification.
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Verified profiles & presence
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Cases of record
From published opinions naming this attorney as counsel. The attorney has not yet confirmed these records.
| Case | Appeared for | Citation | Court | Decided |
|---|---|---|---|---|
| Business Office Inc. v. Golisano | Counsel for the respondent | 275 F. App'x 578 | U.S. Court of Appeals for the Ninth Circuit | 18 April 2008 |
| Business Office Inc. v. Golisano | Counsel for the respondent | 274 F. App'x 541 | U.S. Court of Appeals for the Ninth Circuit | 18 April 2008 |
| United States v. Andrew Earl Chapnick | Counsel for the appellant | 963 F.2d 224 | U.S. Court of Appeals for the Ninth Circuit | 29 April 1992 |
| UNITED STATES of America, Plaintiff-Appellee, v. Yan KATS, Defendant-Appellant | Counsel for the respondent | 871 F.2d 105 | U.S. Court of Appeals for the Ninth Circuit | 3 April 1989 |
| United States v. George MacArthur Posey, III | Counsel for the respondent | 864 F.2d 1487 | U.S. Court of Appeals for the Ninth Circuit | 9 January 1989 |
| United States v. Ruben W. Espinoza | Counsel for the respondent | 841 F.2d 326 | U.S. Court of Appeals for the Ninth Circuit | 9 March 1988 |
| United States v. Espinoza | Counsel for the respondent | 866 F.2d 1067 | U.S. Court of Appeals for the Ninth Circuit | 9 March 1988 |
| United States v. Ramon Rios-Ortiz | Counsel for the respondent | 830 F.2d 1067 | U.S. Court of Appeals for the Ninth Circuit | 22 October 1987 |
| United States v. Scott Schuler | Counsel for the respondent | 813 F.2d 978 | U.S. Court of Appeals for the Ninth Circuit | 26 March 1987 |
| United States v. Michelle Monroe Morgan | Counsel for the respondent | 805 F.2d 1372 | U.S. Court of Appeals for the Ninth Circuit | 9 December 1986 |
| Armando Torres-Macias v. United States Parole Commission | Counsel for the respondent | 730 F.2d 1214 | U.S. Court of Appeals for the Ninth Circuit | 25 April 1984 |
| In Re Coordinated Pretrial Proceedings in Petroleum Products Antitrust Litigation | Counsel for the defendant | 502 F. Supp. 1092 | U.S. District Court, Central District of California | 10 November 1980 |
Appearances in published opinions, drawn from public court records. Cases of record are matters of public record and are not a representation of results; past results do not guarantee a similar outcome. Legal information, not legal advice.
Each case name opens the published opinion it comes from. Is a case not this attorney’s? The attorney can claim this profile and mark it as not theirs, which removes it from this page; anyone can report an error through Help & Support.
Third-party recognitions
Third-party recognitions, as published by their issuers. CAR does not rank attorneys. How to read a Chambers recognition.
Chambers USA 2026, Senior Statespeople, Litigation: White-Collar Crime & Government Investigations (California). As published by Chambers and Partners; CAR does not rank attorneys. Firm at the time: Hueston Hennigan LLP.
Published source · Methodology
Published by Chambers and Partners and shown under licence. Not yet confirmed by the attorney. Last checked 3 October 2026.
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Issuers set their own criteria and may sell marketing products to the firms they recognize. A recognition is not a guarantee of any result. The California Attorney Registry is not affiliated with Chambers and Partners.
On the official record
The firm name on the official record is the attorney's own name.
A firm or employer website answers at hueston.com, the domain of the email address on the State Bar record.
The law school on the record is Northwestern University School of Law.
Admitted to the California Bar in 1979 · 47 years on the roll.
8 practice areas are on the record, listed on this page.
12 appearances as counsel in published opinions are on this record.
The address of record is in Los Angeles, in Los Angeles County, where matters are ordinarily heard at the Superior Court of California, County of Los Angeles, seated at Los Angeles.
Confirm Brian James Hennigan’s license status, bar number #86955, and official disciplinary or administrative history directly with the State Bar of California at apps.calbar.ca.gov before retaining counsel. This profile does not reproduce the complete official history; missing information does not mean no discipline. This page indexes public-record data and identifies verified claims; it does not rate attorney quality or predict results.
Legal information, not legal advice.
On the record nearby
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