Molly McQueen has alleged that a failed property exchange makes her the rightful owner of the Abstract Expressionist masterpiece

Perelman sued his insurers after a 2018 fire at his Hamptons home, claiming works by Warhol, Ruscha and Twombly had sustained damage

Writer Barry Avrich has followed up his 2020 documentary about the $80m art fraud case with a new book on the saga

The National Endowment for the Arts' policy changes, made in response to one of Trump's executive orders, were found to violate the First Amendment

The heirs of Paul von Mendelssohn-Bartholdy are extending their legal battle in the US courts with the Japanese insurance company that currently owns the painting

The terms of the settlement between artist Danielle SeeWalker and the town of Vail, Colorado, include cultural sensitivity training for municipal employees and an annual powwow

The curator and model Racquel Chevremont—who appeared on the latest season of ‘The Real Housewives of New York City’—is seeking at least $10m in damages

The first-century sculpture was seized from the New York-based gallery Safani in 2018, prompting a series of lawsuits that have finally been resolved

Mayor Eric Adams has sought to demolish the Soho sculpture park in order to build affordable housing for seniors

The small landscape painting was consigned to a Toronto auction house a decade ago, but had not been seen since 2021

The work was pulled from a Christie's auction following claims by the Romanian government that it had been unlawfully removed from the country in 1947

In a countersuit stand-off, the two parties are broadening the scope of their allegations beyond the disputed sculpture

This is the first known time allegations against Wiley have been brought to court

Geffen's countersuit comes two months after Sun, the crypto investor and buyer of Cattelan's Comedian, sued claiming ownership of the sculpture Le Nez

The American Library Association and the American Federation of State, County and Municipal Employees are suing to block the elimination of the Institute of Museum and Library Services

EA Studios alleges that the estate and its director bad-mouthed the Calgary-based gallery in an attempt to steal its customers

Once a high-profile adviser to elite art collectors, Schiff will spend 30 months in prison

The Supreme Court’s order requires the decades-long dispute over a painting at the Museo Nacional Thyssen-Bornemisza in Madrid to be re-examined in light of a new California statute

Koi Nation’s casino application approved but Federated Indians of Graton Rancheria claim sovereignty of Sonoma County land

It found that the extraction and use of the telephone of Rybolovlev’s lawyer Tetiana Bersheda violated of the European Convention on Human Rights

The creator of a sculpture that Koons and the politician and pornstar Ilona Staller posed on for the series sued 30 years after the series’ debut

After Aaron De Groft’s death last month, the museum and his family do not find it “prudent or cost effective” to continue litigation

Activists say the Visual Artist Rights Act covers the garden, which the city wants to destroy to make way for affordable mixed-use housing

Restorers were contaminated by lead dust when they scrubbed down the sculptures and decoration of the royal opera in the Château de Versailles

Sun claims he is the rightful owner of Le Nez, which is purportedly now in Geffen’s possession in New York

The Oklahoma skyscraper’s crypto-enthusiast owners had attempted to auction the tower after reneging on an agreement to sell it to a local company that restores historic buildings

The owners of works the FBI seized from the Orlando Museum of Art have filed an eight-figure claim, but the insurers say “coverage is unavailable because… the property was inauthentic”

The artist had sought to force the museum to repair her 1996 outdoor installation, while the institution claimed it could only afford to tear it down

The artist Odee rejected a proposal by the fishing conglomerate Samherji that would have required him to pay £1 and hand over control of the website; now the company wants £206,000

Max and Rosemary Levai claim Pierre’s “long-time paramour” Marcia Levine is responsible for his death and should not receive any of his inheritance