Patterson Belknap Webb & Tyler LLP

Legal Services | New York, USA
tel: 212 336 2000 | fax: 212 336 2222
1133 Avenue of the Americas | New York | New York | 10036-6710 | USA

Main Contacts

Dahlia B. Doumar

|
Firm Leadership

Susan Vignola

|
Partner

Offices

New York, New York

Overview

Founded in 1919, Patterson Belknap is a law firm of approximately 200 lawyers committed to providing high quality legal advice and service to clients and to maintaining a collegial and welcoming environment. We make our clients' business issues our own. At the same time, we care about our attorneys, our staff and the community we are privileged to serve. As a result of our performance and our values, the firm was included on The American Lawyer's 2015 "A-List" of 20 leading law firms in the United States.

Patterson Belknap delivers a full range of services across more than 20 practice groups in both litigation and commercial law. Our practice groups and attorneys are regularly ranked among the leaders in New York and nationally by the most respected industry guides, based on client and peer reviews. Clients include a diverse group of institutions and individuals: from pharmaceutical and medical device companies to major media and publishing empires; from consumer products companies to financial institutions; from fine art museums to famous entertainers; from foreign companies seeking to transact business on U.S. stock exchanges to U.S. companies doing business abroad.

Year this Office was Established: 1919
Lawyers Worldwide: 189

Notable

Areas of Practice

Professionals

Partners

Christopher C. Angell

Christopher C. Angell

Retired Partner
Kathryn  Bi

Kathryn Bi

Partner
Henry P. Bubel

Henry P. Bubel

Retired Partner
J. Jay Cho

J. Jay Cho

Partner
Aron  Fischer

Aron Fischer

Partner
Philip R. Forlenza

Philip R. Forlenza

Retired Partner
David M. Glaser

David M. Glaser

Retired Partner
Antonia M. Grumbach

Antonia M. Grumbach

Retired Partner
Andrew L. Herz

Andrew L. Herz

Retired Partner
Dana W. Hiscock

Dana W. Hiscock

Retired Partner
David  Kleban

David Kleban

Partner
Rochelle  Korman

Rochelle Korman

Retired Partner
Robin  Krause

Robin Krause

Partner
Robert P. LoBue

Robert P. LoBue

Retired Partner
Jane  Metcalf

Jane Metcalf

Partner
John  Sare

John Sare

Retired Partner
John P. Schmitt

John P. Schmitt

Retired Partner
Karl E. Seib

Karl E. Seib

Retired Partner
Richard R. Upton

Richard R. Upton

Retired Partner

Associates

Hibo H. Ali

Hibo H. Ali

Associate
Eric  Beinhorn

Eric Beinhorn

Associate
Ari K. Bental

Ari K. Bental

Associate
Kimberly  Black

Kimberly Black

Associate
Sarah E. Brand

Sarah E. Brand

Associate
Melissa  Budetti

Melissa Budetti

Associate
Anna  Cox

Anna Cox

Associate
Josie  Dikkers

Josie Dikkers

Associate
Daniel  Feder

Daniel Feder

Associate
Kathleen  Gardner

Kathleen Gardner

Associate General Counsel
Daniel  Graf

Daniel Graf

Associate
Kabir  Hashmi

Kabir Hashmi

Associate
Collin  Hong

Collin Hong

Associate
Megha  Hoon

Megha Hoon

Associate
Mina  Juhn

Mina Juhn

Associate
Ian C. Kerr

Ian C. Kerr

Associate
Howard H. Kim

Howard H. Kim

Associate
Rachel  Klein

Rachel Klein

Associate
Ryan J. Kurtz

Ryan J. Kurtz

Associate
Alvin  Li

Alvin Li

Associate
Tiffany  Li

Tiffany Li

Associate
Greg  Margolis

Greg Margolis

Associate
Jabari  Matthew

Jabari Matthew

Associate
James  Mayer

James Mayer

Associate
Jack  McGlone

Jack McGlone

Associate
Hilarie  Meyers

Hilarie Meyers

Associate
Colleen  O'Leary

Colleen O'Leary

Associate
Maggie  O'Neil

Maggie O'Neil

Associate
Bharath  Palle

Bharath Palle

Associate
Faust  Petkovich

Faust Petkovich

Associate
Anna  Petrocelli

Anna Petrocelli

Associate
Kate  Ross

Kate Ross

Associate
Katlyne  Ryan

Katlyne Ryan

Associate
Nicole  Scully

Nicole Scully

Associate
Stephanie  Sofer

Stephanie Sofer

Associate
Charles  Tso

Charles Tso

Associate
Henry   Wainhouse

Henry Wainhouse

Associate
Kaiying  Wang

Kaiying Wang

Associate
Gillian  Wei

Gillian Wei

Associate
Caitlyn  Wigler

Caitlyn Wigler

Associate
Hadiya  Williams

Hadiya Williams

Associate
Anthony J. Wong

Anthony J. Wong

Associate

Articles

New Executive Order Regarding IRA Enhancements

Introduction On April 30, 2026, President Trump signed an Executive Order (the “Order”) designed to expand access to retirement savings for the tens of millions of American workers who currently lack employer-sponsored retirement plans, including many small-business employees, part-time workers, independent contractors, and self-employed individuals facing barriers to saving for retirement. The Order is designed to complement the Federal Saver's Match enacted under the SECURE 2...

Insider Trading Safeguards Can Mitigate Sports Betting Risk

From sports betting to prediction markets, the phenomenon some call "the casino-ification of America" has captured the American zeitgeist. Sports betting in particular has become ubiquitous since the U.S. Supreme Court's 2018 decision in Murphy v. NCAA, which opened the door for states to legalize sports gambling. Fans can now regularly bet on games and player performances directly from their smartphones. And, as several recent criminal indictments have alleged, some bettors are capitalizing on their access to inside information to obtain an unfair advantage on their wagers...

VIEW ALL Patterson Belknap Articles

Press releases

Firm Obtains Dismissal of False Claims Act Suit on Behalf of McGraw Hill

On May 15, 2026, Patterson Belknap successfully secured the dismissal of a False Claims Act lawsuit brought by the Florida Attorney General's Office (the "Florida AG Office") against the firm’s client, education solutions provider McGraw Hill, LLC ("McGraw Hill"), in Florida's Second Judicial Circuit Court. The lawsuit was brought in August 2025 following an investigation and subpoena process in which the Florida AG's Office alleged that McGraw Hill violated Florida’s “most favored nation” pricing statute...

Firm Achieves Significant Lanham Act Win for Johnson & Johnson

On April 17, 2026, Patterson Belknap secured a significant victory for our clients, Johnson & Johnson and Janssen Biotech, Inc. (“J&J”), when the U.S. District Court for the Southern District of New York denied a preliminary injunction in a Lanham Act suit filed by Bayer HealthCare LLC (“Bayer”).   The dispute concerned a retrospective scientific study sponsored by J&J that compared the real-world efficacy of both companies’ prostate cancer medications, concluding that J&J’s ERLEADA was associated with a reduction in overall risk of death approximately 50% greater than Bayer’s NUBEQA...

VIEW ALL Patterson Belknap Press

Blogs

Antitrust Update

Antitrust Update Blog is a source of insights, information and analysis on criminal and civil antitrust and competition-related issues. Patterson Belknap’s antitrust lawyers represent clients in antitrust litigation and counseling matters, including those related to pricing, marketing,...

Bankruptcy Update Blog

Patterson Belknap is pleased to announce the launch of Bankruptcy Update Blog, a source of current news and analysis of key bankruptcy cases and developments in U.S. and international matters. ? Daniel A. Lowenthal, Chair of the Firm?s Business Reorganization and Creditors? Rights Practice, leads...

Data Security Law Blog

DataSecurityLaw.com is the firm’s resource for the latest news, analysis, and thought leadership in the critical area of privacy and cybersecurity law. Patterson Belknap’s Privacy and Data Security practice provides public and private enterprises, their leadership teams and boards with...

Misbranded

Misbranded is Patterson Belknap’s blog covering false advertising litigation—both consumer class actions and competitor suits—with a particular focus on FDA-regulated products (foods/beverages, pharmaceuticals, cosmetics, and dietary supplements).

NY Patent Decisions Blog

NYPatentDecisionsBlog.com is a source for the latest patent decisions from the U.S. District Courts for the Southern and Eastern Districts of New York. The blog is authored by Patterson Belknap’s Patent Litigation practice group, whose members are highly experienced trial attorneys with extensive...

Second Circuit Criminal Law Blog

The Second Circuit Criminal Law Blog is your place to follow the criminal law decisions rendered by the U.S. Court of Appeals for the Second Circuit. With a rich 225-year history of legendary judges like Learned Hand and Henry Friendly, the Second Circuit has long been known for writing important...

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