Attorney RecordLos Angeles County
Ronald L. Cheng · California Lawyer
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Ronald L. Cheng is on California’s State Bar roll, #138892, admitted in 1988; license status: active as of 22 July 2026. The address of record is in Los Angeles, Los Angeles County. Practice areas listed in the registry: Criminal Defense, Intellectual Property and Litigation. 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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The record
| State Bar number | #138892 |
|---|---|
| License status | Active |
| Admitted | 1988 |
| Law school | Columbia Univ SOL |
| Firm | Pillsbury Winthrop Shaw Pittman LLP |
| 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 |
|---|---|---|---|---|
| United States v. Chao Fan Xu | Counsel for the respondent | 673 F. App'x 616 | U.S. Court of Appeals for the Ninth Circuit | 8 December 2016 |
| United States v. Chao Fan Xu | Counsel for the respondent | 660 F. App'x 490 | U.S. Court of Appeals for the Ninth Circuit | 28 September 2016 |
| United States v. Yijun Zhou | Counsel for the respondent | 840 F.3d 1015 | U.S. Court of Appeals for the Ninth Circuit | 17 August 2016 |
| United States v. Robert Enriquez | Counsel for the respondent | 619 F. App'x 659 | U.S. Court of Appeals for the Ninth Circuit | 19 October 2015 |
| United States v. Johnny Stewart | Counsel for the respondent | 626 F. App'x 669 | U.S. Court of Appeals for the Ninth Circuit | 18 September 2015 |
| United States v. Feng Xian | Counsel for the respondent | 602 F. App'x 399 | U.S. Court of Appeals for the Ninth Circuit | 18 May 2015 |
| United States v. Joseph Ramirez | Counsel for the respondent | 601 F. App'x 593 | U.S. Court of Appeals for the Ninth Circuit | 7 May 2015 |
| United States v. Shontovia Debose | Counsel for the respondent | 589 F. App'x 346 | U.S. Court of Appeals for the Ninth Circuit | 31 December 2014 |
| United States v. Candace Zie | Counsel for the respondent | 542 F. App'x 689 | U.S. Court of Appeals for the Ninth Circuit | 22 October 2013 |
| United States v. Kenneth Lucas, II | Counsel for the respondent | 539 F. App'x 826 | U.S. Court of Appeals for the Ninth Circuit | 5 September 2013 |
| United States v. Tramond Davis | Counsel for the respondent | 506 F. App'x 612 | U.S. Court of Appeals for the Ninth Circuit | 28 January 2013 |
| United States v. Chao Fan Xu | Counsel for the respondent | 706 F.3d 965 | U.S. Court of Appeals for the Ninth Circuit | 3 January 2013 |
| United States v. Mohammed Siddiquee | Counsel for the respondent | 383 F. App'x 661 | U.S. Court of Appeals for the Ninth Circuit | 14 June 2010 |
| United States v. White | Counsel for the respondent | 217 F. App'x 646 | U.S. Court of Appeals for the Ninth Circuit | 11 January 2007 |
| United States v. Watts | Counsel for the respondent | 182 F. App'x 669 | U.S. Court of Appeals for the Ninth Circuit | 18 May 2006 |
| United States v. Torres | Counsel for the respondent | 171 F. App'x 70 | U.S. Court of Appeals for the Ninth Circuit | 14 March 2006 |
| United States v. De La Garza | Counsel for the respondent | 168 F. App'x 225 | U.S. Court of Appeals for the Ninth Circuit | 21 February 2006 |
| United States v. Neusom | Counsel for the respondent | 159 F. App'x 796 | U.S. Court of Appeals for the Ninth Circuit | 20 December 2005 |
| United States v. Cook | Counsel for the respondent | 155 F. App'x 970 | U.S. Court of Appeals for the Ninth Circuit | 1 December 2005 |
| United States v. Cisneros | Counsel for the respondent | 154 F. App'x 591 | U.S. Court of Appeals for the Ninth Circuit | 15 November 2005 |
| United States v. Avaloz | Counsel for the respondent | 148 F. App'x 650 | U.S. Court of Appeals for the Ninth Circuit | 3 November 2005 |
| United States v. Clifford A. Davis, M.D. | Counsel for the respondent | 428 F.3d 802 | U.S. Court of Appeals for the Ninth Circuit | 2 November 2005 |
| United States v. Carrillo | Counsel for the respondent | 146 F. App'x 901 | U.S. Court of Appeals for the Ninth Circuit | 21 October 2005 |
| United States v. Afshari | Counsel for the appellant | 427 F.3d 646 | U.S. Court of Appeals for the Ninth Circuit | 20 October 2005 |
| United States v. Estrada | Counsel for the respondent | 146 F. App'x 230 | U.S. Court of Appeals for the Ninth Circuit | 20 October 2005 |
| United States v. Gallo-Chavez | Counsel for the respondent | 150 F. App'x 721 | U.S. Court of Appeals for the Ninth Circuit | 19 October 2005 |
| United States v. Barajas-Perez | Counsel for the appellant | 146 F. App'x 195 | U.S. Court of Appeals for the Ninth Circuit | 18 October 2005 |
| United States v. Garcia-Moreno | Counsel for the respondent | 144 F. App'x 696 | U.S. Court of Appeals for the Ninth Circuit | 23 September 2005 |
| United States v. Paek | Counsel for the respondent | 144 F. App'x 679 | U.S. Court of Appeals for the Ninth Circuit | 22 September 2005 |
| United States v. Waxman | Counsel for the respondent | 143 F. App'x 858 | U.S. Court of Appeals for the Ninth Circuit | 16 September 2005 |
| United States v. Lazaro-Alonzo | Counsel for the respondent | 143 F. App'x 845 | U.S. Court of Appeals for the Ninth Circuit | 15 September 2005 |
| United States v. Barbosa-Flores | Counsel for the respondent | 143 F. App'x 826 | U.S. Court of Appeals for the Ninth Circuit | 15 September 2005 |
| United States v. Bell | Counsel for the respondent | 147 F. App'x 665 | U.S. Court of Appeals for the Ninth Circuit | 6 September 2005 |
| United States v. Ramirez | Counsel for the respondent | 145 F. App'x 600 | U.S. Court of Appeals for the Ninth Circuit | 23 August 2005 |
| United States v. Castro | Counsel for the respondent | 143 F. App'x 764 | U.S. Court of Appeals for the Ninth Circuit | 4 August 2005 |
| United States v. Miller | Counsel for the respondent | 141 F. App'x 618 | U.S. Court of Appeals for the Ninth Circuit | 4 August 2005 |
| United States v. Molina | Counsel for the respondent | 140 F. App'x 684 | U.S. Court of Appeals for the Ninth Circuit | 3 August 2005 |
| United States v. Brazil | Counsel for the respondent | 143 F. App'x 35 | U.S. Court of Appeals for the Ninth Circuit | 1 August 2005 |
| United States v. Ruiz-Camarena | Counsel for the respondent | 141 F. App'x 580 | U.S. Court of Appeals for the Ninth Circuit | 28 July 2005 |
| United States v. Avaloz | Counsel for the respondent | 143 F. App'x 31 | U.S. Court of Appeals for the Ninth Circuit | 28 July 2005 |
| United States v. Coupar | Counsel for the appellant | 140 F. App'x 665 | U.S. Court of Appeals for the Ninth Circuit | 28 July 2005 |
| United States v. Arcand | Counsel for the respondent | 139 F. App'x 912 | U.S. Court of Appeals for the Ninth Circuit | 22 July 2005 |
| United States v. Sainez | Counsel for the respondent | 143 F. App'x 746 | U.S. Court of Appeals for the Ninth Circuit | 20 July 2005 |
| United States v. Carnevale | Counsel for the respondent | 137 F. App'x 103 | U.S. Court of Appeals for the Ninth Circuit | 28 June 2005 |
| United States v. Newsome | Counsel for the respondent | 137 F. App'x 65 | U.S. Court of Appeals for the Ninth Circuit | 24 June 2005 |
| United States v. Reyes | Counsel for the respondent | 137 F. App'x 6 | U.S. Court of Appeals for the Ninth Circuit | 20 June 2005 |
| United States v. Benson | Counsel for the respondent | 141 F. App'x 513 | U.S. Court of Appeals for the Ninth Circuit | 17 June 2005 |
| United States v. Rahmani | Counsel for the appellant | 412 F.3d 1071 | U.S. Court of Appeals for the Ninth Circuit | 16 June 2005 |
| United States v. Rodriguez | Counsel for the respondent | 135 F. App'x 89 | U.S. Court of Appeals for the Ninth Circuit | 16 June 2005 |
| United States v. Clifford A. Davis, M.D. | Counsel for the respondent | 410 F.3d 1122 | U.S. Court of Appeals for the Ninth Circuit | 9 June 2005 |
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, Band 6, Litigation: White-Collar Crime & Government Investigations (California). As published by Chambers and Partners; CAR does not rank attorneys. Firm at the time: Pillsbury.
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 Pillsbury Winthrop Shaw Pittman LLP.
The law school on the record is Columbia University School of Law.
Admitted to the California Bar in 1988 · 38 years on the roll.
Practice areas on the record: Criminal Defense, Intellectual Property and Litigation.
50 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 Ronald L. Cheng’s license status, bar number #138892, 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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