Attorney RecordLos Angeles County
Jonathan Stuart Kagan · California Lawyer
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Jonathan Stuart Kagan is on California’s State Bar roll, #166039, admitted in 1993; license status: active as of 22 July 2026. The address of record is in Los Angeles, Los Angeles County. 5 case appearances are listed on this profile. The employer on the official record is Irell & Manella. Registry record updated 20 August 2026; license information comes from the State Bar.
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The record
| State Bar number | #166039 |
|---|---|
| License status | Active |
| Admitted | 1993 |
| Law school | Univ of California at Los Angeles |
| Firm | Irell & Manella |
| Location | Los Angeles, Los Angeles County |
| Registry identity | Official State Bar record |
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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 |
|---|---|---|---|---|
| Finjan, Inc. v. Juniper Networks, Inc. | Counsel for the defendant | 387 F. Supp. 3d 1004 | U.S. District Court, Northern District of California | 8 May 2019 |
| Todd Glassey v. Microsemi, Inc. | Counsel for the respondent | 636 F. App'x 433 | U.S. Court of Appeals for the Ninth Circuit | 3 March 2016 |
| Linear Technology Corp. v. Tokyo Electron Ltd. | Counsel for the respondent | 200 Cal. App. 4th 1527 | California Court of Appeal | 22 November 2011 |
| Linear Technology Corp. v. Applied Materials, Inc. | Counsel for the respondent | 152 Cal. App. 4th 115 | California Court of Appeal | 18 June 2007 |
| Sharper Image Corp. v. Target Corp. | Counsel for the defendant | 425 F. Supp. 2d 1056 | U.S. District Court, Northern District of California | 29 March 2006 |
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.
On the official record
The employer on the official record is Irell & Manella.
The law school on the record is UCLA School of Law.
Admitted to the California Bar in 1993 · 33 years on the roll.
5 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 Jonathan Stuart Kagan’s license status, bar number #166039, 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.
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