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David Chiu, City Attorney

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Consumer protection

San Francisco City Attorney Chiu sues largest manufacturers of ultra-processed foods

December 2, 2025December 2, 2025 by S.F. City Attorney's Press Office
Food conglomerates flooded the country with addictive ultra-processed foods with little nutritional value, knowing they would make Americans sick

Categories Consumer protection, News, Public health

City Attorney secures over $600,000 from predatory immigration consulting business

October 17, 2025September 23, 2025 by S.F. City Attorney's Press Office
Court orders Leonard Lacayo to stop tricking vulnerable immigrants into paying for immigration services he is not legally allowed to provide

Categories Consumer protection, Immigration, News

City Attorney reaches settlement with U.S. News & World Report that requires greater transparency in financial disclosures

September 4, 2025 by S.F. City Attorney's Press Office
Agreement allows consumers reviewing the hospital rankings to consider that ranked hospitals provide U.S. News revenue before making important health decisions

Categories Consumer protection, News

Court blocks Oakland airport from using new name that violates San Francisco’s registered trademark

November 5, 2025November 12, 2024 by S.F. City Attorney's Press Office
City Attorney David Chiu
Court issues order prohibiting the use of Oakland Airport’s new infringing name and finds it is likely to imply an affiliation with San Francisco International Airport®

Categories Consumer protection, News

City Attorney secures $1 million dollar judgment against company whose marketing impersonated government and deceived small businesses

January 28, 2025October 23, 2024 by S.F. City Attorney's Press Office
Court order holds Personnel Concepts accountable for scamming small businesses and provides restitution to over 13,000 affected California consumers

Categories Consumer protection, News

City Attorney sues most-visited websites that create nonconsensual deepfake pornography

January 28, 2025August 15, 2024 by S.F. City Attorney's Press Office
AI-generated nonconsensual explicit images of real adults and minors cause immeasurable harm and violate state and federal laws

Categories Consumer protection, News

Joint Statement by City Attorney David Chiu and Treasurer José Cisneros regarding the Supreme Court’s decision in CFPB v. Community Financial Services Association of America

January 28, 2025May 16, 2024 by S.F. City Attorney's Press Office
Joint Statement by City Attorney David Chiu and Treasurer José Cisneros regarding the Supreme Court’s decision in CFPB v. Community Financial Services Association of America

Categories Consumer protection, News

Federal court dismisses U.S. News and World Report’s baseless lawsuit against City Attorney

January 28, 2025May 7, 2024 by S.F. City Attorney's Press Office
Federal judge rejects U.S. News and World Report’s attempts to obstruct investigation into the company’s undisclosed financial ties to hospitals it ranks

Categories Consumer protection, News

San Francisco sues Oakland over airport renaming that infringes on SFO’s trademark

November 5, 2025April 18, 2024 by S.F. City Attorney's Press Office
City Attorney David Chiu
Attempts to collaborate with Oakland and avoid litigation have gone ignored forcing San Francisco to take legal action to protect SFO’s trademark and prevent widespread traveler confusion

Categories Consumer protection, News

Proposed Oakland International Airport renaming infringes on SFO’s trademark

November 5, 2025April 8, 2024 by S.F. City Attorney's Press Office
City Attorney will take legal action if Oakland International Airport does not abandon ill-conceived renaming plan that will cause traveler confusion and infringe on SFO’s trademark

Categories Consumer protection, News

Chiu highlights consumer protection efforts during Consumer Protection Week

January 28, 2025March 6, 2024 by S.F. City Attorney's Press Office
City Attorney David Chiu
The City Attorney encourages consumers to report businesses that deceive or defraud consumers

Categories Consumer protection, News

City Attorney secures appellate victory in taxi medallion lawsuit

November 5, 2025March 1, 2024 by S.F. City Attorney's Press Office
City Attorney David Chiu
Appeal Court affirms trial court verdict that City did not breach its contract with credit union in taxi medallion case

Categories Consumer protection, News

City Attorney seeks to dismiss U.S. News and World Report’s baseless lawsuit

January 28, 2025February 29, 2024 by S.F. City Attorney's Press Office
The City Attorney’s brief pushes back on U.S. News and World Report’s attempts to obstruct investigation into the company’s undisclosed financial ties to hospitals it ranks

Categories Consumer protection, News

U.S. News and World Report tries to obstruct investigation of unlawful business practices

January 28, 2025January 31, 2024 by S.F. City Attorney's Press Office
U.S. News and World Report has filed a baseless lawsuit to shut down an investigation into the company’s undisclosed financial ties to hospitals it endorses

Categories Consumer protection, News

City Attorney sues maker of Vanilla gift cards over consumer scams

January 28, 2025November 20, 2023 by S.F. City Attorney's Press Office
City Attorney David Chiu
Ahead of the holiday shopping season, City Attorney is taking action to protect and seek restitution for consumers who have been victims of “card draining”

Categories Consumer protection, News

Problematic COVID test sites cease operations after City enforcement action

January 28, 2025November 16, 2023 by S.F. City Attorney's Press Office
Gentech agrees to cease San Francisco operations after City investigation revealed cash payments given to test takers facilitated drug activity

Categories Consumer protection, News

U.S. News & World Report faces legal scrutiny over dubious hospital rankings

January 28, 2025June 20, 2023 by S.F. City Attorney's Press Office
City Attorney David Chiu
San Francisco City Attorney investigates questionable methodology and undisclosed financial links with highly ranked hospitals

Categories Consumer protection, News

San Francisco and San Diego City Attorneys subpoena Home Title Lock over deceptive advertising

January 28, 2025April 10, 2023 by S.F. City Attorney's Press Office
City Attorney David Chiu
Company uses prominent conservatives to target elderly homeowners and stoke fear about unfounded threat of home title theft

Categories Consumer protection, News

Chiu sues company impersonating government and defrauding small businesses

January 28, 2025March 9, 2023 by S.F. City Attorney's Press Office
City Attorney David Chiu
Lawsuit comes as City Attorney’s Office launches new consumer protection efforts

Categories Consumer protection, News

City Attorneys and County Counsels Applaud New California Consumer Protection Law

January 28, 2025September 29, 2022 by S.F. City Attorney's Press Office
City Attorney David Chiu
Governor signs bill to provide certain city attorneys and county counsels the same investigative tools as their district attorney counterparts in consumer protection cases

Categories Consumer protection, News
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Seal of the City Attorney of San Francisco

Office of the City Attorney
City Hall, Room 234
1 Dr. Carlton B. Goodlett Pl.
San Francisco, CA 94102

Hours: M–F, Modified Hours

1390 Market St., Fox Plaza, 7th Floor Reception:
M–F, 8 a.m. – 5 p.m

(415) 554-4700 Phone
(415) 554-6770 TTY
cityattorney@sfcityatty.org

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