Attorney RecordSan Francisco County

Jeffrey G. Knowles, attorney at Coblentz Patch Duffy & Bass LLP in San Francisco, California

Jeffrey G. Knowles · California Lawyer

Call(415) 391-4800

Can’t reach them, or not sure who to call? Submit your case for review · attorneys who practice in your area read it and may send you terms. Free; your details stay masked until you choose.

Jeffrey G. Knowles is on California’s State Bar roll, #129754, admitted in 1987; 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: Intellectual Property and Litigation. 13 case appearances are listed on this profile. Registry record updated 25 October 2026; license information comes from the State Bar.

This profile has not yet been claimed. Verify current license status at the State Bar before retaining counsel; the choice is always yours.

Have a intellectual property matter? Submit your case for review.

Open a free case file, choose how attorneys may contact you, and review any terms they send. You decide whom to contact and whether to proceed.

In the last 30 days attorneys have read 11 filed matters on the registry.

Submit your case for review

Legal information, not legal advice

Registry verification

Official State Bar recordLicense facts sourced from the State Bar of California.

Verified against official State Bar of California records · record last updated 25 October 2026. Contact information on this page comes from the public record and is shown free, the registry never paywalls it.

2 findings about you await your confirmation. Claim your profile to review and add the ones that are yours →

The record

State Bar number#129754
License statusActive
Admitted1987
Law schoolUC Hastings COL
FirmCoblentz Patch Duffy & Bass LLP
LocationSan Francisco, San Francisco County
Registry identityOfficial State Bar record

Diamond members practicing Litigation 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.

Understand your options

Free California worksheets to organize the facts before speaking with an attorney.

Verified profiles & presence

Firm websitecoblentzlaw.comFirm or office link; not an individual ratingSource: your firm's website
State Bar recordapps.calbar.ca.govSource profile; check who and what it coversSource: the State Bar record

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.

CaseAppeared forCitationCourtDecided
Henry Schein, Inc. v. CookCounsel for the plaintiff191 F. Supp. 3d 1072U.S. District Court, Northern District of California10 June 2016
Jarrett v. InterMune Inc.Counsel for the defendant464 F. App'x 651U.S. Court of Appeals for the Ninth Circuit30 December 2011
Camellia Walker v. Motricity, Inc.Counsel for the appellant386 F. App'x 601U.S. Court of Appeals for the Ninth Circuit2 July 2010
625 3rd Street Associates, L.P. v. Alliant Credit UnionCounsel for the defendant633 F. Supp. 2d 1040U.S. District Court, Northern District of California25 June 2009
In Re Actimmune Marketing LitigationCounsel for the defendant614 F. Supp. 2d 1037U.S. District Court, Northern District of California28 April 2009
SAUL ZAENTZ COMPANY v. Wozniak Travel, Inc.Counsel for the defendant627 F. Supp. 2d 1096U.S. District Court, Northern District of California29 July 2008
Headlands Reserve, LLC v. Center for Natural Lands ManagementCounsel for the defendant523 F. Supp. 2d 1113U.S. District Court, Central District of California16 November 2007
Azizian v. Federated Department Stores, Inc.Counsel for the defendant499 F.3d 950U.S. Court of Appeals for the Ninth Circuit23 August 2007
Signature Network Inc. v. EstefanCounsel for the respondent197 F. App'x 653U.S. Court of Appeals for the Ninth Circuit15 August 2006
UMG Recordings, Inc. v. SinnottCounsel for the plaintiff300 F. Supp. 2d 993U.S. District Court, Eastern District of California5 February 2004
A&M Records, Inc. v. Napster, Inc.Counsel for the respondent239 F.3d 1004U.S. Court of Appeals for the Ninth Circuit12 February 2001
A&M Records, Inc. v. Napster, Inc.Counsel for the respondent2001 Cal. Daily Op. Serv. 1255California Supreme Court12 February 2001
Altmann v. Television Signal Corp.Counsel for the defendant849 F. Supp. 1335U.S. District Court, Northern District of California30 March 1994

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.

On the official record

The employer on the official record is Coblentz Patch Duffy & Bass LLP.

The law school on the record is UC Hastings College of the Law.

Admitted to the California Bar in 1987 · 39 years on the roll.

Practice areas on the record: Intellectual Property and Litigation.

13 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.

Verify before you hire

Confirm Jeffrey G. Knowles’s license status, bar number #129754, 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

Intellectual Property in San Francisco County: next on the roll

San Francisco County: next on the roll

Listed alphabetically by last name, continuing from this record. Not a recommendation.

Read the record. Then decide.

Describe your matter once, review the verified records, and place the call; the choice is always yours.

Find Your Counsel

279,000+ attorney records · 58 counties · Official State Bar records