Pfizer Inc. said Thursday that it has successfully completed its acquisition of Metsera Inc., securing the obesity drug developer after a tumultuous bidding war with Novo Nordisk and court fights that redirected the deal in Pfizer's favor.
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SUNDAY, NOVEMBER 16, 2025 Law360 iOS App Law360 Android App Follow Law360 on Facebook Follow Law360 on LinkedIn Follow Law360 on Twitter

TOP NEWS

Wachtell-Led Pfizer Closes Metsera Deal Worth Up To $10B

By Al Barbarino

Pfizer Inc. said Thursday that it has successfully completed its acquisition of Metsera Inc., securing the obesity drug developer after a tumultuous bidding war with Novo Nordisk and court fights that redirected the deal in Pfizer's favor.

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3rd Circ. Says Quest Didn't Eavesdrop In Data Privacy Suit

By P.J. D'Annunzio

The Third Circuit on Thursday upheld a win for Quest Diagnostics, which beat a class action alleging it inappropriately shared patient data with Meta Platforms through ad tracking software on its website, with the court reasoning that information was not unlawfully collected because it wasn't obtained through eavesdropping.

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Fenwick, WilmerHale Steer $285M Mersana Take-Private Deal

By Jade Martinez-Pogue

Pediatric cancer-focused biopharmaceutical company Day One Biopharmaceuticals, led by Fenwick & West LLP, announced plans Thursday to acquire clinical-stage biopharmaceutical company Mersana Therapeutics Inc., advised by WilmerHale, in a take-private deal worth up to $285 million.

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LITIGATION

FTC Fails To Block Doctors' Testimony In $945M Merger Case

By Bryan Koenig

A D.C. federal judge refused Thursday to bar a pair of outside doctors and consultants from vouching for Edwards Lifesciences Corp.'s planned JenaValve Technology Inc. acquisition, preferring to let the Federal Trade Commission contest their testimony in cross-examination and saying from the bench that he'll "make some popcorn."

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Roundup

NC Biz Court Bulletin: Rulings Spotlight Coverage Clashes

By Hayley Fowler

The North Carolina Business Court plowed into the fourth quarter with two big decisions in insurance disputes that involved $50 million in COVID-19-related losses at a chain of outlet malls, and an industrial accident at a Nucor Corp. iron plant in Louisiana.

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Claims Firms Accused Of Misleading Plaintiffs In Pharma MDL

By James Boyle

A Pennsylvania federal judge has been asked to slow down aggressive marketing campaigns from claims recovery firms that are accused of using false and misleading advertising to attract plaintiffs in a multidistrict litigation action against pharmaceutical companies.

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Mich. Schools Sue Over Privacy Waiver In Funding Bill

By Danielle Ferguson

A group of school districts and leaders have sued the state of Michigan in state and federal courts, asking judges to bar the state from enforcing a portion of a recently passed school funding legislative package that would require schools to give up privacy privileges in mass casualty events to receive mental health or safety dollars.

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Brief

Weight-Loss Drug MDL In Pa. Grows With 3 New Jersey Cases

By P.J. D'Annunzio

Three New Jersey cases were grouped into multidistrict litigation accusing Eli Lilly & Co. and Novo Nordisk of downplaying alleged side effects of weight loss drugs like Ozempic and Trulicity, according to a transfer order filed in Pennsylvania federal court.

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EXPERT ANALYSIS

Series

Building With Lego Makes Me A Better Lawyer

Building with Lego has taught me to follow directions and adapt to unexpected challenges, and in pairing discipline with imagination, allows me to stay grounded while finding new ways to make complex deals come together, says Paul Levin at Venable.

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LEGAL INDUSTRY

Lawyers Call On High Court To Stop 'Capitulating' To Trump

By Katie Buehler

Lawyers and legal advocates gathered in front of the U.S. Supreme Court on Saturday to protest rulings that have allowed President Donald Trump and his administration to implement allegedly "unlawful actions" amid legal battles, and to demand the justices act as a check on executive power in future cases.

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Frequent DEI Foe Takes Aim At Mich. Law Firm's Scholarships

By Madison Arnold

American Alliance for Equal Rights, a group known for challenging diversity, equity and inclusion scholarships, has set its sights on Michigan personal injury firm Buckfire & Buckfire PC for alleged discrimination via the firm's scholarship programs for minorities.

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How To Kill A Person: A Legal Battle Over Execution Methods

By Marco Poggio

As botched executions pile up and states reach for untested methods like nitrogen hypoxia, prisoners are turning to the courts for a say in how they will die — and are being met with a legal framework stacked against finding execution methods unconstitutional.

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Buchalter Won't Be Sanctioned For 'Hallucinated' AI Citations

By Rose Krebs

An Oregon federal judge has decided not to sanction Buchalter PC and other counsel representing an environmental nonprofit in a trademark infringement dispute for submitting "hallucinated" case citations generated by an artificial intelligence tool, saying he is satisfied with "remedial actions" already done or to be taken.

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Perkins Coie Sued By Omani Co. Over Trade Case Defense

By Rachel Riley

An Omani screw manufacturer has launched a legal malpractice suit in Washington state court accusing Perkins Coie LLP of a "series of deadly mistakes" while representing the Middle Eastern company in a U.S. Department of Commerce probe, allegedly leading to steep penalties and tariffs that cost the company hundreds of millions of dollars.

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Manning Kass Hit With Age Bias Suit In Calif.

By Christine DeRosa

Manning & Kass Ellrod Ramirez Trester LLP is facing an age bias lawsuit in California state court alleging a firm leader has made ageist comments at employees over 40 and is trying to drive those workers out of the firm.

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'Constitutional Word Salad': Judge Rips Suit Over Mascot Ban

By Bonnie Eslinger

A New York federal court judge denied a Long Island school district's bid to amend claims in a lawsuit challenging the state's ban on Indigenous mascots, calling proposed changes a "constitutional word salad," but said a district parent could add First Amendment claims to the litigation.

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Non-Attys Could Help Close Georgia's Civil Justice Gap

By Emily Johnson

Low-income Georgians and rural Georgians face several barriers to accessing legal services, including living in a legal desert, according to a Georgia Supreme Court committee’s report. The panel's proposal allowing "limited licensed legal practitioners" to assist with civil housing and consumer debt matters could improve access to justice across the state.

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DOJ Official Among Trump Picks For District Courts

By Courtney Bublé

President Donald Trump announced judicial nominees for federal courts in Tennessee, Indiana and Missouri on Friday, including a current U.S. Department of Justice official.

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King & Spalding, Atty Move To End Bias Suit At 4th Circ.

By Grace Elletson

King & Spalding LLP and an attorney who complained that she didn't apply to a summer associate program as a straight, white woman because the firm sought diverse applicants have agreed to end her bias case, according to a filing in the Fourth Circuit.

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New California Bar Leader Aims To Rebuild Public Trust

By Tracey Read

After less than two weeks on the job, Laura Enderton-Speed, the California State Bar's new executive director, is already busy working to strengthen trust in the organization following the botched administration of the February bar exam.

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Analysis

Feds' Use Of AI In Permitting, Rulemaking Raises Concerns

By Juan-Carlos Rodriguez

Federal government agencies with environmental responsibilities have begun using artificial intelligence tools, but attorneys say information about exactly why, how and when they are being used has been hard to get, leading to uncertainty about their effectiveness and shortcomings.

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NC, Utah Attorneys General Launch Nationwide AI Task Force

By Matt Perez

Democratic North Carolina Attorney General Jeff Jackson and Republican Utah Attorney General Derek Brown have announced the formation of a nationwide artificial intelligence task force in collaboration with developers OpenAI and Microsoft, as well as the Attorney General Alliance, a nonprofit group of bipartisan state attorneys general.

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Northern NY US Atty To Defend DOJ In Maurene Comey Suit

By Jack Karp

The U.S. attorney's office for the Northern District of New York has agreed to defend the U.S. Department of Justice against a lawsuit from former FBI Director James Comey's daughter over what she calls her illegal firing, that office informed a New York federal judge this week.

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House Eyes Vote To Repeal Provision On Senators' Lawsuits

By Courtney Bublé

A House bill to repeal a controversial provision tucked into the government funding package that would allow senators investigated by former special counsel Jack Smith to sue for damages is listed for possible consideration on the schedule for the week of Nov. 17.

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Roundup

UK Litigation Roundup: Here's What You Missed In London

By Laura Stewart Liberty

This past week in London has seen Freeths face a professional negligence claim from a Scottish car dealership, Rolls-Royce sue logistics giant Kuehne + Nagel, and a team of Oberon Investments Group investment managers sued by their former employer.  

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Roundup

GC Cheat Sheet: The Hottest Corporate News Of The Week

By Michele Gorman

Experts say it will likely take at least a month for the thousands of SEC employees now back to work after the government shutdown to catch up with submissions for initial public offerings. Meanwhile, clean energy developers are increasingly looking to privately held investors amid a race to beat a July 2026 cutoff to maintain eligibility for clean electricity investment and production tax credits. These are some of the stories in corporate legal news you may have missed in the past week.

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Law360's Legal Lions Of The Week

By Kevin Penton

Sidley Austin LLP and Orrick Herrington & Sutcliffe LLP lead this week's edition of Law360 Legal Lions, after a Washington federal jury cleared Novo Nordisk of allegations that it defrauded the state's Medicaid and Medicare systems by paying kickbacks and promoting off-label use to illegally boost prescriptions of its hemophilia drug NovoSeven.

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In Case You Missed It: Hottest Firms And Stories On Law360

For those who missed out, here's a look back at the law firms, stories and expert analyses that generated the most buzz on Law360 last week.

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Promo that reads 2025 MVPs Promo that reads Law360 Pulse Leaderboard

COMPANIES IN TODAY'S NEWS

ACT

AT&T Inc.

Alphabet Inc.

Amazon.com Inc.

American Bar Association

American Property Casualty Insurance Association

American Public Health Association

Atlanta Legal Aid Society

Avet Pharmaceuticals Inc.

Barings LLC

Binance Holdings Ltd.

Campaign Legal Center

Clean Air Task Force Inc.

Cornell University

Corporate Legal Operations Consortium

DailyPay Inc.

Democracy Forward Foundation

EarnIn

Eli Lilly & Co.

Ethereum GmbH

Ethiopian Airlines Enterprise

Filtration Group

Fordham University

General Growth Properties Inc.

Georgia Legal Services Program

Getty Images Holdings Inc.

Gleason Corp.

Global Logistic Properties Ltd.

GoDaddy Inc.

Google LLC

HCA Healthcare Inc.

LEGO System AS

Lambda Legal Defense & Educational Fund

LatinoJustice PRLDEF

Leadership Council on Legal Diversity

Legoland Discovery Centre Us LLC

Liberty Mutual Insurance Group

LinkedIn Corp.

London Stock Exchange Group PLC

Mersana Therapeutics Inc.

Meta Platforms Inc.

Microsoft Corp.

Milwaukee Brewers

Mission Health System Inc.

Murgitroyd Group PLC

NBCUniversal Media LLC

Nasdaq Inc.

Natuzzi SpA

New York City Bar Association

News Corp.

Nomura Holdings Inc.

Novo Nordisk A S

Nucor Corp

OpenAI OpCo LLC

Oracle Corp.

Parker-Hannifin Corp.

Payward Inc.

Pfizer Inc.

Practising Law Institute Inc.

Quest Diagnostics Inc.

Rolls-Royce PLC

SCOR SE

Sandoz International GmbH

Scale Venture Partners

Solicitors Regulation Authority Ltd.

State Bar of California

State Bar of Texas

U.S. Chamber of Commerce

Western States Petroleum Association

LAW FIRMS IN TODAY'S NEWS

Ahmad Zavitsanos

Arnold & Porter

Beveridge & Diamond

Buchalter APC

Buckfire & Buckfire

Bursor & Fisher

Butzel Long

CMS Cameron McKenna

Cabello Hall

Carella Byrne

Clarick Gueron

Cleary Gottlieb

Clyde & Co

Consovoy McCarthy

Covington & Burling

DLA Piper

DWF LLP

Devlin Law Firm PC

Dykema

Ellis Jones Solicitors

Faegre Drinker

Fenwick & West

Fine Kaplan

Freeths LLP

Gibson Dunn

Gordons LLP

Holtzman Vogel

Jenner & Block

Joelson JD LLP

Jones Day

Kasowitz LLP

Kennedys Law LLP

Keystone Law

King & Spalding

Kirkland & Ellis

Koskoff Koskoff

Kroger Gardis

Latham & Watkins

Lyfe Law

MILS Legal Ltd

Manning Kass

McDermott Will & Schulte

Miller Canfield

Mishcon de Reya

Morgan & Morgan PA

Morgan Lewis

Motley Rice

Nabarro LLP

Orrick Herrington

Paul Hastings

Paul Weiss

Perkins Coie

Proskauer Rose

Quainton Law

Quinn Emanuel

Revision Legal

Rigano LLC

Ropes & Gray

Russell-Cooke

Seeger Weiss

Sherin & Lodgen

Sidley Austin

Snell & Wilmer

Stephenson Harwood

Steptoe LLP

Stewarts Law LLP

Thackray Williams

Venable LLP

Wachtell Lipton

Wagstaff & Cartmell

Weil Gotshal

Welsh & Recker

WilmerHale

Wilson Sonsini

Winston & Strawn

Womble Bond

Zaiwalla & Co

GOVERNMENT AGENCIES IN TODAY'S NEWS

California Supreme Court

Companies House

Consumer Financial Protection Bureau

Council on Environmental Quality

European Commission

Federal Bureau of Investigation

Federal Trade Commission

Food and Drug Administration

Georgia Supreme Court

Michigan Department of Education

National Institutes of Health

New York Attorney General's Office

New York State Department of Education

North Carolina Attorney General's Office

Pacific Northwest National Laboratory

Texas Supreme Court

U.S. Attorney's Office

U.S. Court of Appeals for the Eleventh Circuit

U.S. Court of Appeals for the Fourth Circuit

U.S. Court of Appeals for the Third Circuit

U.S. Department of Commerce

U.S. Department of Education

U.S. Department of Energy

U.S. Department of Justice

U.S. Department of the Interior

U.S. District Court for the District of Columbia

U.S. District Court for the District of New Jersey

U.S. District Court for the District of Oregon

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

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

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

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

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

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

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. Drug Enforcement Administration

U.S. Environmental Protection Agency

U.S. Immigration and Customs Enforcement

U.S. Securities and Exchange Commission

U.S. Senate

U.S. Supreme Court

UK High Court

United Nations

United States District Court for the Southern District of Indiana

Utah Attorney General's Office