A California federal judge sanctioned Hagens Berman Sobol Shapiro LLP for submitting four briefs that contained errors blamed on ChatGPT while representing OnlyFans users pursuing proposed class fraud claims against the online platform, tossing the suit but allowing the users a chance to refile.
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THURSDAY, DECEMBER 18, 2025 Law360 iOS App Law360 Android App Follow Law360 on Facebook Follow Law360 on LinkedIn Follow Law360 on Twitter

TOP NEWS

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Hagens Berman Sanctioned For Bot Errors In OnlyFans Case

By Emily Sawicki

A California federal judge sanctioned Hagens Berman Sobol Shapiro LLP for submitting four briefs that contained errors blamed on ChatGPT while representing OnlyFans users pursuing proposed class fraud claims against the online platform, tossing the suit but allowing the users a chance to refile.

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2 Firms Tapped To Lead Class Suit Against Vans Shoes Parent

By Katryna Perera

A Colorado federal judge on Tuesday consolidated two securities class actions against outdoor apparel company VF Corp. and appointed Levi & Korsinsky LLP and Pomerantz LLP as co-lead counsel in the merged suit, which claims VFC misled investors about the progress it made on a corporate turnaround strategy meant to return its shoe brand Vans to positive growth.

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Va. Judge Advances Most Claims In Stelara Antitrust Case

By Elliot Weld

A Virginia federal judge has allowed health insurer CareFirst's anticompetition and patent fraud claims against Johnson & Johnson to move forward in a case alleging anticompetitive behavior in relation to the immunosuppressive drug Stelara, while letting the pharmaceutical giant escape some claims of misrepresentation.

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'Choking Challenge' Suit Against YouTube, TikTok Is Tossed

By Mike Curley

A California federal judge has dismissed without leave to amend a suit by parents and an advocacy group alleging YouTube and TikTok's reporting and moderating tools are defective and fail to take down dangerous videos, saying the complaint suffers from the same deficiencies that got a previous version dismissed.

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EMPLOYMENT & BENEFITS

$1.4M Deal In Workers' 401(k) Fee Suit Gets Initial OK

By Chart Riggall

A California federal judge gave initial approval to a $1.4 million settlement that would end claims that security firm Allied Universal levied excessive fees on its workers' retirement accounts.

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Merck Sued Over Time Rounding, OT Averaging At NC Plant

By Benjamin Morse

A Merck manufacturing facility in North Carolina rounded workers' time to short them on pay, averaged out overtime across two weeks and fired an operator technician because of his sleep apnea, the worker told a federal court in a proposed class and collective action against the pharmaceutical giant.

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SECURITIES

B. Riley Must Face Investor Suit Over Alleged Fraud Losses

By Sydney Price

A California federal judge has allowed to move forward a proposed investor class action accusing B. Riley Financial Inc. of failing to disclose risks related to its dealings with Brian Kahn, an investment manager who recently pled guilty to securities fraud, though some company executives were allowed to escape the suit.

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Digital Marketing Co. Ibotta Seeks To Ditch Suit Over IPO

By Emilie Ruscoe

Digital consumer discount company Ibotta Inc. and its brass and underwriters seek to shed a consolidated proposed investor class action alleging the company misled investors in the lead-up to its 2024 initial public offering, arguing that it properly disclosed certain risks that later purportedly affected trading prices for its shares.

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COMPETITION

Pepsi Boosted Prices For Walmart Rivals, Antitrust Suit Says

By Bonnie Eslinger

A proposed consumer antitrust class action against Pepsi and Walmart was filed in New York federal court on Monday, days after an unsealed Federal Trade Commission lawsuit abandoned by the Republican-controlled FTC showed the agency previously accused the soda giant of giving Walmart discounts denied to the retailer's rivals.

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PVC Pipe Buyers Defend Price-Fix Conspiracy Claims

By Lauraann Wood

Polyvinyl chloride pipe purchasers say they've alleged more than enough to show a Chicago federal judge that certain manufacturers participated in a plausible and illegal price-fixing conspiracy, urging the court to let their consolidated action proceed to discovery.

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CYBERSECURITY & PRIVACY

Six Flags Can't Escape Privacy Suit Over Website Tracking

By Allison Grande

A California federal judge has refused to release Six Flags Entertainment Corp. from a proposed class action accusing it of illegally allowing third parties to track the browsing activities of visitors to its Cedar Point amusement park website, finding that the plaintiff had sufficiently asserted an array of claims for invasion of privacy, wiretap, fraud and unjust enrichment.

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IP & TECHNOLOGY

Judge Trims Ziff Davis Copyright Claims In OpenAI MDL

By Elliot Weld

A Manhattan federal judge has dismissed part of a suit from digital media publisher Ziff Davis Inc. against OpenAI alleging that its chatbot ChatGPT was trained on copyrighted content scraped from the internet and gives re-creations of those works when prompted.

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IMMIGRATION

Mass. Judge Considers Nixing 3rd-Country Removal Accounts

By Carolyn Muyskens

A Massachusetts federal judge said he may strike accounts detailing the experiences of noncitizens removed to countries where they have no ties as he considers whether the federal government's third-country removal policy is unlawful.

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Feds Say Nat'l Guard Shooting Warrants Special Visa Pause

By Ganesh Setty

The Trump administration asked a D.C. federal court to pause its processing of special immigrant visas for Iraqi and Afghan individuals who assisted American troops overseas, pointing to the November shooting of two National Guard troops near the White House.

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EXPERT ANALYSIS

9th Circ. Ruling Clarifies Auditor Liability For IPO Errors

The Ninth Circuit's recent decision in Hunt v. PricewaterhouseCoopers elucidates the legal standard for claims against auditors in connection with a company's initial public offering, confirming that audit opinions are subjective and becoming the first circuit to review this precise question since the U.S. Supreme Court's 2015 Omnicare ruling, say attorneys at Morgan Lewis.

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Opinion

A Uniform Federal Rule Would Curb Gen AI Missteps In Court

To address the patchwork of courts’ standing orders on generative artificial intelligence, curbing abuses and relieving the burden on judges, the federal judiciary should consider amending its civil procedure rules to require litigants to certify they’ve reviewed legal filings for accuracy, say attorneys at Shook Hardy.

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LEGAL INDUSTRY

Surveys, Awards & More: Law360's 2026 Editorial Calendar

Law360 publishes several award series throughout the year, including ones that highlight top-performing attorneys and practice groups. Here, find all you need to know about our awards and surveys, including due dates, FAQs, and the questions we'll ask so you can prepare ahead of time.

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Bonus Spotlight

Bonus News: Glenn Agre, Bursor & Fisher Reveal 2025 Levels

By Andrea Keckley

Glenn Agre Bergman & Fuentes LLP told its associates in a memo last week that it would be issuing year-end bonuses ranging from $15,000 to $115,000 and special bonuses ranging from $6,000 to $25,000 based on seniority, with the chance to receive premiums above the year-end bonuses based on "​​extraordinary dedication and/or performance."

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Jackson Walker Wants Settlements Heard Before Romance Trial

By Adrian Cruz

Following a Texas federal judge's decision to hold off on reviewing malpractice settlements with former bankruptcy clients, Jackson Walker LLP asked the court to reconsider, as the pending motions could save parties time and money.

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Analysis

Circuit-By-Circuit Guide To 2025's Most Memorable Moments

By Jeff Overley

Federal circuit courts in 2025 strained under a crush of Trump administration lawsuits, as judges directed animated language at litigants and even their fellow judges. And while the president only added a handful of appellate jurists, they had outsize impacts on circuit benches as they joined the cadre of conservatives seated in his first term.

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CFTC's Pham Will Head To Crypto Co. MoonPay After Exit

By Aislinn Keely

The U.S. Commodity Futures Trading Commission's acting Chair Caroline Pham is set to join cryptocurrency payments firm MoonPay as its top lawyer following her impending departure from the commission, MoonPay announced Wednesday.

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Sterne Kessler Draws Scolding, But No Sanctions Midtrial

By Elliot Weld

A Delaware federal judge said Wednesday she wasn't happy with the tone used by attorneys defending a radiopharmaceutical company from patent infringement claims and that she does not condone the attorneys' conduct in improperly contacting three inventors named in a patent at issue, but she declined to issue the severe sanction of kicking them off the case.

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Analysis

The Top Trademark Decisions Of 2025

By Theresa Schliep

The U.S. Supreme Court vacated a trademark infringement award that reached nearly $47 million and found nonparties couldn't be on the hook for the amount, while the Federal Circuit reproached a trademark tribunal for its handling of a man's attempt to register the F-word. Here are Law360's picks for the biggest trademark decisions of 2025.

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After Questioning Judge Nominee, Sen. Kennedy Wants More

By Courtney Bublé

Sen. John Kennedy, R-La., on Wednesday pressed a judicial nominee for Indiana on statements he's made as an ordained elder on sexuality and marriage.

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Judge's Contact With 'Tiger King' Ex-Atty Won't Disqualify Him

By Ivan Moreno

A Tenth Circuit judge on a panel reviewing a copyright infringement claim against Netflix over a video clip included in its "Tiger King" docuseries can stay on the case after inadvertently contacting a former attorney for the plaintiffs, the parties told the appellate court in separate letters.

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Pentagon Must Justify JAG Firings Under New NDAA

By Courtney Bublé

Under the annual defense policy bill that was sent to the president's desk on Wednesday, the Pentagon will have to explain its firings of military lawyers — a provision that comes after the Trump administration controversially dismissed its top military lawyers at the beginning of the year.

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Feature

The Spiciest Quotes From Massachusetts Courts In 2025

By Chris Villani

Massachusetts courts were replete with high-stakes cases throughout the year, with memorable lines from lawyers and judges alike, including jabs, thoughtful reflections and one defendant "blinded by love."

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LAW FIRMS IN TODAY'S NEWS

Ahdoot & Wolfson

ArentFox Schiff

Arnold & Porter

Benesch

Boies Schiller

Bursor & Fisher

Caldwell Law Office

Cooley LLP

Covington & Burling

Crowell & Moring

Davis Polk

Debevoise & Plimpton

Dechert LLP

Dorsey & Whitney

Eisenberg & Baum

Faegre Drinker

FeganScott

Finnegan

Freshfields

Gibson Dunn

Glancy Prongay

Glasser & Glasser

Glenn Agre

HSF Kramer

Hagens Berman

Holland & Knight

Irell & Manella

Jackson Walker LLP

Jones Day

Kaplan Fox

Keker Van Nest & Peters

King & Spalding

Kirkland & Ellis

Klaris Law

Knobbe Martens

Kroger Gardis

Latham & Watkins

Lawrence Law LLC

Levi & Korsinsky

Libby Hoopes

Lockridge Grindal

Lowey Dannenberg

Mayer Brown

McCarter & English

McDonald Carano

Mitchell Silberberg

Morgan Lewis

Morrison & Foerster

Norton Rose

Pacific Trial Attorneys

Patterson Belknap

Paul Weiss

Pearson Warshaw

Pomerantz LLP

Radice Law Firm

Roberts Law Firm US

Rusty Hardin

Schonbrun Seplow

Scott&Scott

Shook Hardy

Shuman Glenn

Skadden Arps

Snell & Wilmer

Sterne Kessler

Stranch Jennings

Sullivan & Cromwell

Susman Godfrey

Timoney Knox

Troutman

Tycko & Zavareei

Vorys

White & Case

WilmerHale

Wilson Sonsini

Wohl & Fruchter

COMPANIES IN TODAY'S NEWS

AT&T Inc.

Above the Law

Advanced Accelerator Applications SA

Allied Universal Corp.

American Bar Association

American Petroleum Institute Inc.

Anthropic PBC

Apple Inc.

B. Riley Financial Inc.

BP PLC

Bloom Energy

Citigroup Inc.

Cloudflare Inc.

Criteo SA

Deloitte Touche Tohmatsu Ltd.

Eicher Motors Ltd.

Exxon Mobil Corp.

Food Lion LLC

Fort Point Capital

Frito-Lay Inc.

Google LLC

Grant Thornton LLP

Honeywell International Inc.

Human Rights First

Ibotta Inc.

Instagram Inc.

International Business Machines Corp.

International Refugee Assistance Project

Jack Daniel's Properties Inc.

Johnson & Johnson

Lantheus Holdings Inc.

Major League Baseball Inc.

Merck & Co. Inc.

Meta Platforms Inc.

Mid America Apartment Communities Inc.

Motorola Mobility LLC

NBCUniversal Media LLC

NFL Enterprises LLC

Netflix Inc.

New York University

Omnicare Inc.

OpenAI OpCo LLC

PepsiCo Inc.

Pinterest Inc.

PricewaterhouseCoopers LLP

Reddit Inc.

SAP AG

Samsung Electronics Co. Ltd.

Shell PLC

Six Flags Entertainment Corp.

Southwest Airlines Co.

Starbucks Corp.

Takeda Pharmaceutical Co. Ltd.

The Gatorade Company Inc.

The New York Times Co.

TikTok Inc.

Universal Services of America LP

VF Corp.

Verizon Communications Inc.

Walmart Inc.

YouTube Inc.

Ziff Davis Holdings Inc.

GOVERNMENT AGENCIES IN TODAY'S NEWS

Commodity Futures Trading Commission

Consumer Financial Protection Bureau

Executive Office of the President

Federal Communications Commission

Federal Trade Commission

Judicial Conference of the United States

Massachusetts Supreme Judicial Court

National Institutes of Health

National Labor Relations Board

New York Department of Financial Services

U.S. Army

U.S. Court of Appeals for the Federal Circuit

U.S. Court of Appeals for the Fifth Circuit

U.S. Court of Appeals for the First Circuit

U.S. Court of Appeals for the Ninth Circuit

U.S. Court of Appeals for the Second Circuit

U.S. Court of Appeals for the Tenth Circuit

U.S. Department of Defense

U.S. Department of Education

U.S. Department of Homeland Security

U.S. Department of Justice

U.S. Department of State

U.S. District & Bankruptcy Courts of Southern District of Texas

U.S. District Court for the Central District of California

U.S. District Court for the District of Columbia

U.S. District Court for the District of Delaware

U.S. District Court for the District of Massachusetts

U.S. District Court for the Eastern District of Virginia

U.S. District Court for the Middle District of Florida

U.S. District Court for the Northern District of California

U.S. District Court for the Northern District of Illinois

U.S. District Court for the Southern District of California

U.S. District Court for the Southern District of Florida

U.S. District Court for the Southern District of New York

U.S. District Court for the Western District of Missouri

U.S. District Court for the Western District of Tennessee

U.S. Patent and Trademark Office

U.S. Securities and Exchange Commission

U.S. Senate

U.S. Supreme Court

United States District Court for the District of Colorado

United States District Court for the Southern District of Alabama

United States District Court for the Southern District of Indiana