Attorney RecordSan Francisco County
Mark D. Lonergan · California Lawyer
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Mark D. Lonergan is on California’s State Bar roll, #143622, admitted in 1989; license status: active as of 22 July 2026. The address of record is in San Francisco, San Francisco County. Practice areas listed in the registry: Business Law and Litigation. 19 case appearances are listed on this profile. The employer on the official record is Stinson LLP. Registry record updated 11 September 2026; license information comes from the State Bar.
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Verified against official State Bar of California records · record last updated 11 September 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 | #143622 |
|---|---|
| License status | Active |
| Admitted | 1989 |
| Law school | Univ of Virginia |
| Firm | Stinson LLP |
| Location | San Francisco, San Francisco County |
| Registry identity | Official State Bar record |
Diamond members practicing Business Law in San Francisco County
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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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 |
|---|---|---|---|---|
| Crooks v. Wells Fargo Bank, N.A. | Counsel for the defendant | 312 F. Supp. 3d 932 | U.S. District Court, Southern District of California | 4 June 2018 |
| Elliott Rodriguez v. Provident Savings Bank, F.S.B. | Counsel for the respondent | 676 F. App'x 712 | U.S. Court of Appeals for the Ninth Circuit | 26 January 2017 |
| Chandler Ex Rel. Estate of Chandler v. Wells Fargo Bank, N.A. | Counsel for the respondent | 637 F. App'x 413 | U.S. Court of Appeals for the Ninth Circuit | 25 February 2016 |
| Curley v. Wells Fargo & Co. | Counsel for the defendant | 120 F. Supp. 3d 992 | U.S. District Court, Northern District of California | 31 July 2015 |
| Longest v. Green Tree Servicing LLC | Counsel for the defendant | 308 F.R.D. 310 | U.S. District Court, Central District of California | 19 June 2015 |
| Ronald Gutierrez v. Wells Fargo Bank | Counsel for the respondent | 609 F. App'x 909 | U.S. Court of Appeals for the Ninth Circuit | 6 April 2015 |
| Rockridge Trust v. Wells Fargo, N.A. | Counsel for the defendant | 985 F. Supp. 2d 1110 | U.S. District Court, Northern District of California | 25 September 2013 |
| Randall Ferguson v. Wells Fargo Bank, N.A. | Counsel for the respondent | 538 F. App'x 782 | U.S. Court of Appeals for the Ninth Circuit | 19 August 2013 |
| Schlegel Ex Rel. Schlegel v. Wells Fargo Bank, NA | Counsel for the respondent | 720 F.3d 1204 | U.S. Court of Appeals for the Ninth Circuit | 3 July 2013 |
| Bias v. Wells Fargo & Co. | Counsel for the defendant | 942 F. Supp. 2d 915 | U.S. District Court, Northern District of California | 25 April 2013 |
| Perez v. Wells Fargo Bank, N.A. | Counsel for the defendant | 929 F. Supp. 2d 988 | U.S. District Court, Northern District of California | 8 March 2013 |
| Anna Vertkin v. Wells Fargo Home Mortgage | Counsel for the respondent | 491 F. App'x 824 | U.S. Court of Appeals for the Ninth Circuit | 20 November 2012 |
| Schlegel v. Wells Fargo Bank, N.A. | Counsel for the defendant | 799 F. Supp. 2d 1100 | U.S. District Court, Northern District of California | 5 July 2011 |
| Grove v. Wells Fargo Financial California, Inc. | Counsel for the respondent | 606 F.3d 577 | U.S. Court of Appeals for the Ninth Circuit | 20 May 2010 |
| Yeagley v. Wells Fargo & Company | Counsel for the respondent | 365 F. App'x 886 | U.S. Court of Appeals for the Ninth Circuit | 22 February 2010 |
| Monaco v. Bear Stearns Residential Mortgage Corp. | Counsel for the defendant | 554 F. Supp. 2d 1034 | U.S. District Court, Central District of California | 28 January 2008 |
| Solomon v. Onyx Acceptance Corp. | Counsel for the defendant | 222 F.R.D. 418 | U.S. District Court, Central District of California | 14 June 2004 |
| Donna Marie Walls, on Behalf of Herself and All Others Similarly Situated v. Wells Fargo Bank, N.A. | Counsel for the defendant | 276 F.3d 502 | U.S. Court of Appeals for the Ninth Circuit | 8 January 2002 |
| Walls v. Wells Fargo Bank, N.A. | Counsel for the defendant | 255 B.R. 38 | U.S. District Court, Eastern District of California | 16 October 2000 |
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 Stinson LLP.
A firm or employer website answers at stinson.com, the domain of the email address on the State Bar record.
The law school on the record is University of Virginia.
Admitted to the California Bar in 1989 · 37 years on the roll.
Practice areas on the record: Business Law and Litigation.
19 appearances as counsel in published opinions are on this record.
The address of record is in San Francisco, in San Francisco County, where matters are ordinarily heard at the Superior Court of California, County of San Francisco, seated at San Francisco.
Confirm Mark D. Lonergan’s license status, bar number #143622, 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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