Skip to content
Dontzin Nagy & Fleissig"
How We Work
Banking and Financial Services
Complex Commercial Litigation and Trial Practice
International Litigation and Cross Border Disputes
Regulatory Investigations and White Collar
Matthew S. Dontzin
Tibor L. Nagy
David A. Fleissig
Tracy O. Appleton
Jason A. Kolbe
Gregory N. Wolfe
Ruben G. Perlmutter
Amina M. Hafez
Asher T. Lowenstein
Heidi R. Schumann
William H. LaGrange
Hon. Michael J. Dontzin
Dontzin Nagy & Fleissig Wins Important Court Ruling for Disruptive CEO Alex Davis
The American Lawyer Names Matthew Dontzin a “Northeast Trailblazer”
The American Lawyer has named Matthew Dontzin to its 2021 list of Northeast Trailblazers. The list profiles “professionals in the Northeast who have...
The American Lawyer Praises Matthew Dontzin’s UK Supreme Court Win
The American Lawyer recognized Matthew Dontzin as a Litigator of the Week runner up for his win in the Supreme Court of the...
DNF’s Win in UK Supreme Court Garners Extensive Media Coverage
In July 2020 the Supreme Court of the UK ruled in favor of DNF client Jamie Cooper in her longstanding dispute with Sir...
LAWDRAGON LAWYER LIMELIGHT: MATTHEW S. DONTZIN
Matthew Dontzin is featured in Lawdragon’s “Lawyer Limelight” series. “Dontzin Nagy & Fleissig has an entrepreneurial spirit that is reflected in the fascinating...
DNF’s Partners Selected as National Law Journal’s Elite Boutique Trailblazers
DNF’s founding partners Matthew S. Dontzin and Tibor L. Nagy, Jr. are featured as 2017 National Law Journal Elite Boutique Trailblazers. Click here...
ARTNEWS: Gagosian Gallery Files Motion to Dismiss Steven Tananbaum’s Jeff Koons ‘Non-Delivery’ Lawsuit
Dontzin Nagy & Fleissig is noted for its representation of Gagosian Gallery in litigation over a purported breach of contract.
The New Yorker: The Mythical Stories in Peter Doig’s Paintings
The New Yorker profiles Peter Doig and revisits a 2016 trial in which DNF led the defense of the artist against accusations of...
Financial Times: Hedge Fund Billionaire Ordered to Pay $360M to Ex-Wife’s Charity
DNF’s Matthew S. Dontzin is quoted after securing a victory for client, Jamie Cooper. The court ruled the Children’s Investment Fund Foundation, a...
HFM Week: Court Dismisses Key Claims in Short-Selling Conspiracy Case
DNF’s Matthew S. Dontzin and Tibor L. Nagy, Jr. are noted for their winning representation of Third Point, Dan Loeb, and Jeffrey Perry....
Law360: NY Law Sinks RICO Claims In Appeal In Hedge Fund Suit
New Jersey appeals court affirmed the dismissal of RICO claims against DNF clients, Daniel S. Loeb and Third Point, finding that New York...
Tibor L. Nagy, Jr. Makes Benchmark Litigation’s Under 40 Hotlist
DNF’s Tibor L. Nagy, Jr. is featured on Benchmark Lititgation’s “Under 40” Hotlist, a list of practitioners, all aged 40 or younger, deemed...
Law360: IV’s Reconsideration Bid In JPMorgan Patent Suit Backfires
Matthew S. Dontzin and Tibor L. Nagy Jr. are noted for DNF’s winning representation of JPMorgan in a patent litigation suit. Click here...
Law360: Richard Prince Says Instagram Print was Transformative Art
Attorneys for the artist Richard Prince asked a New York federal judge Tuesday to dismiss a copyright infringement suit based on photos he...
Daily Mail: Children’s Charity Run by a Hedge Fund boss is Ordered to Hand Over £282m to His Ex-Wife’s Philanthropic Foundation After a Three Year Divorce Battle
The Children’s Investment Fund Foundation founder, Chris Hohn, was ordered to pay a $360 million grant to his ex-wife’s new charity, Big Win...
The Sun: GIANT CHEQUE Charity Bigwig Ordered to Pay £282m to Ex-Wife’s New Foundation in Three-Year £700m Divorce Fight
DNF’s Matthew S. Dontzin is quoted after a High Court ruled in favor of his client, Jamie Cooper, securing a $360 million grant...
NPR: Artist Peter Doig Says He Didn’t Paint This, And A Judge Agrees
DNF’s Matthew S. Dontzin is quoted after a judge agreed that the painting in question was not painted by DNF client, Peter Doig....
New York Times: The Feud That’s Shaking Gallery Walls
DNF’s Matthew S. Dontzin is quoted emphasizing Ron Perelman’s disingenuous claims in a lawsuit accusing Larry Gagosian of fraud by misrepresenting the price...
Reuters: Perelman’s Fraud Lawsuit vs NY Gallery Owner is Thrown Out
Ronald Perelman’s lawsuit, accusing art gallery owner Larry Gagosian of defrauding him into overpaying for a painting, has been thrown out by a...
New York Post: Art Basel Buzzes After Perelman-Gagosian Decision
DNF’s Matthew S. Dontzin is quoted after a judge ruled that Larry Gagosian had not “misrepresented the value of certain works of art...
Matthew S. Dontzin Mentioned in Article about World’s Most Powerful Art Lawyers
Artnet published an article listing the world’s most powerful art lawyers today, which mentioned DNF’s Matthew S. Dontzin. Read more at Artnet*. *Articles...
New York Times: Artist Accused of Disowning a Painting Testifies
DNF’s Matthew S. Dontzin was mentioned in the New York Times for his representation of artist Peter Doig in a trial about the...
DNF Noted in Center For Art Law’s Blog for Representation of Prominent Art Gallery
In a blog post titled “Of Koons, Twombly, Perelman and Gagosian: Lessons to be Learned,” Matthew S. Dontzin is noted for his representation of...
Tibor L. Nagy, Jr. Gives Keynote Address at Art Law Day
DNF’s Tibor L. Nagy, Jr. delivers the keynote address to an audience of legal and art appraisal professionals and students at the National...
Telegraph: $100 Million Picasso at Centre of Legal Fight
DNF’s Matthew S. Dontzin is quoted regarding a dispute between his client, Larry Gagosian of the Gagosian Gallery, and Pelham Holdings, an agent...
Law360: DLA Piper, Milberg Beat Facebook’s Reprisal Suit
DNF’s Matthew S. Dontzin is quoted on a New York appellate court ruling that Facebook’s claim of malicious prosecution against DNF client, DLA...
Law360: DLA Piper, Kasowitz Fight DQ Bids in Dustup Over IAC Rights
A New York State Judge heard dueling arguments to disqualify DLA Piper LLP and Kasowitz Benson Torres & Friedman LLP from either side...
Law360: NY High Court Puts End To Facebook’s DLA, Milberg Suit
New York State Court of Appeals declined to review a December decision that threw out Facebook’s malicious prosecution claim against DNF Client DLA...
Law360: 5th Circuit Trims Rothko Painting Ex-Owner’s Contract Row
Tibor L. Nagy, Jr. is quoted in a story on a victory in the Fifth Circuit court which affirmed in a breach of...
Law360: JPMorgan Seeks Victory, Sanction on Intellectual Ventures
DNF’s Matthew S. Dontzin and Tibor L. Nagy, Jr. are noted for their representation of JPMorgan in a patent litigation suit. Click to...
Dontzin Nagy & Fleissig Elects Gregory N. Wolfe To Its Partnership
New York, NY (January 25, 2023) – Dontzin Nagy & Fleissig is pleased to announce that Gregory N. Wolfe has been named a...