Attorney RecordLos Angeles County
Henry Weissmann · California Lawyer
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Henry Weissmann is on California’s State Bar roll, #132418, admitted in 1987; license status: active as of 22 July 2026. The address of record is in Los Angeles, Los Angeles County. 4 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 6 October 2026; license information comes from the State Bar.
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Verified against official State Bar of California records · record last updated 6 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 | #132418 |
|---|---|
| License status | Active |
| Admitted | 1987 |
| Law school | Yale Univ |
| Firm | Munger Tolles & Olson |
| 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
Professional identity links come from public sources or this attorney. Review-site ratings belong to their named source and may cover a firm or office. CAR does not combine them into an attorney rating.
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 |
|---|---|---|---|---|
| Wilson v. Edison Int'l, Inc. | Counsel for the defendant | 315 F. Supp. 3d 1177 | U.S. District Court, Central District of California | 29 May 2018 |
| New Cingular Wireless PCS LLC v. Picker | Counsel for the plaintiff | 216 F. Supp. 3d 1060 | U.S. District Court, Northern District of California | 3 November 2016 |
| Quantification Settlement Agreement Cases | Counsel for the respondent | 237 Cal. App. 4th 72 | California Court of Appeal | 26 May 2015 |
| Center for Community Action & Environmental Justice v. BNSF Railway Co. | Counsel for the respondent | 764 F.3d 1019 | U.S. Court of Appeals for the Ninth Circuit | 20 August 2014 |
| Pacific Bell Telephone Co. v. Southern California Edison Co. | Counsel for the appellant | 208 Cal. App. 4th 1400 | California Court of Appeal | 30 August 2012 |
| Binyam Mohamed v. Jeppesen Dataplan, Inc. | Counsel for the respondent | 614 F.3d 1070 | U.S. Court of Appeals for the Ninth Circuit | 8 September 2010 |
| Cellphone Termination Fee Cases | Counsel for the respondent | 186 Cal. App. 4th 1380 | California Court of Appeal | 27 July 2010 |
| Mohamed v. Jeppesen Dataplan, Inc. | Counsel for the respondent | 586 F.3d 1108 | U.S. Court of Appeals for the Ninth Circuit | 27 October 2009 |
| Clayton v. AT & T Communications of Southwest, Inc. | Counsel for the defendant | 630 F. Supp. 2d 1092 | U.S. District Court, Northern District of California | 3 June 2009 |
| Ruwe v. Cellco Partnership | Counsel for the defendant | 613 F. Supp. 2d 1191 | U.S. District Court, Northern District of California | 18 March 2009 |
| Cundiff v. Verizon California, Inc. | Counsel for the respondent | 167 Cal. App. 4th 718 | California Court of Appeal | 16 October 2008 |
| Harris v. Verizon Communications | Counsel for the respondent | 141 Cal. App. 4th 573 | California Court of Appeal | 19 July 2006 |
| Verizon California Inc. v. Peevey | Counsel for the appellant | 413 F.3d 1069 | U.S. Court of Appeals for the Ninth Circuit | 6 July 2005 |
| Verizon California Inc. v. Peevey | Counsel for the appellant | 5 Cal. Daily Op. Serv. 5948 | California Supreme Court | 6 July 2005 |
| PG&E Corp. v. Public Utilities Commission | Counsel for the petitioner | 118 Cal. App. 4th 1174 | California Court of Appeal | 21 May 2004 |
| Southern California Edison Co. v. Lynch | Counsel for the respondent | 353 F.3d 648 | U.S. Court of Appeals for the Ninth Circuit | 19 December 2003 |
| Southern California Edison Co. v. Peevey | Counsel for the respondent | 31 Cal. 4th 781 | California Supreme Court | 21 August 2003 |
| Southern California Edison Co. v. Lynch | Counsel for the respondent | 307 F.3d 794 | U.S. Court of Appeals for the Ninth Circuit | 23 September 2002 |
| Cundiff v. GTE California Inc. | Counsel for the respondent | 101 Cal. App. 4th 1395 | California Court of Appeal | 12 September 2002 |
| GTE. NET LLC v. Cox Communications, Inc. | Counsel for the plaintiff | 185 F. Supp. 2d 1141 | U.S. District Court, Southern District of California | 29 January 2002 |
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, Star Individuals, Energy: State Regulatory & Litigation (California). As published by Chambers and Partners; CAR does not rank attorneys. Firm at the time: Munger, Tolles & Olson 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 employer on the official record is Munger Tolles & Olson.
The law school on the record is Yale Law School.
Admitted to the California Bar in 1987 · 39 years on the roll.
Practice areas on the record: Administrative Law, Energy Law, Litigation and Personal Injury.
20 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 Henry Weissmann’s license status, bar number #132418, 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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