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

Italian investor Nanni Bassani Antivari secured the still-life Cut Melon with a €26.7m bid in June, but has yet to send the auction house any money

The lawsuit brought by Roberts in 2022 has received a mixed ruling from Judge LaShann DeArcy Hall, but she denied dealer Richard Beavers's motion to dismiss it

The former chief curator of the Mesa Contemporary Arts Museum is suing the municipality for allegedly ordering the removal of a print from a Shepard Fairey exhibition

Berman Jerry Nowlin Jr, known in the NFT community as "Repulse" and “Zayous”, faces up to five years in federal prison

The seven works were seized by Mumbai customs last year due to their sensitive content

Oklahoma’s Price Tower is caught in a tug-of-war between its current crypto-enthusiast owners, Wright’s conservancy and a company that restores historic buildings

Meanwhile Dmitry Rybolovlev, with whom Bouvier settled a high-profile legal saga last year, has had charges against him dismissed

Danielle SeeWalker and the American Civil Liberties Union of Colorado are suing the town of Vail, alleging its decisions violated her free speech rights

When it comes to copyright infringement, establishing culpability and illegality in the age of artificial intelligence is murky

Brilliant, who had sought at least $3m for claims related to her consulting work for the gallery, has withdrawn her complaint as part of the agreement

The university’s leaders still face a host of legal disputes, but the filing may allow them to liquidate real estate holdings that have been valued at $87m

The deaccessioning dispute at Valparaiso University’s Brauer Museum of Art centres on works by Georgia O’Keeffe, Frederic Church and Childe Hassam collectively valued at up to $15m