Karen Lo says the dealer Pearl Lam never followed through with her purchase of a well-known painting by the secretive British artist

The renowned Pop artist, who has suffered from Alzheimer’s-induced dementia for the better part of a decade, is at the centre of a years-long legal war

A marble idol known as the “Stargazer” will remain in the collection of billionaire Michael Steinhardt

Black claimed he was the victim of a conspiracy to push him out of his private equity firm

A jury ruled NFT artist Mason Rothschild’s line of digital handbags was subject to trademark law

"There is no precedent for copyright protections on an artistic style," says a lawyer for artist Lynthia Edwards and dealer Richard Beavers

A district court sided with the school in late 2021, but artist Sam Kerson hopes an appeals court decision will help keep his Underground Railroad murals on view

We uncover the tangled tale of the painting controversially sold off by New York's Metropolitan Museum of Art in 1972 and now in an Athens museum

A judge had previously dismissed the lawsuit brought against the Michigan museum in a dispute over the canvas “The Novel Reader”

The heirs of Karl and Rosi Adler claim “Woman Ironing (La repasseuse)” (1904) was sold under duress by the fleeing couple and are seeking its return—or as much as $200m in compensation

The lawsuit centred on the authorship of a desert landscape painting signed “Pete Doige” and created by an inmate at a Canadian prison

Bought for a Japanese museum in 1987, the masterpiece has just been claimed by the heirs of a Jewish Berlin banker

The heirs of a Jewish collector who fled Germany in the 1930s claim that well-documented provenance issues with the painting “La cueillette des olives” have been overlooked by the museum and the Greek foundation that now owns it

The banker's heirs claim that the current owner, which bought "Sunflowers" for a then-record $39.9m at Christie's in 1987, ignored the painting's provenance issues

Many A-list celebrities have been accused of neglecting to disclose compensation for endorsing Bored Ape Yacht Club NFTs

A court has ruled that Simon Dickinson, who advised a British aristocrat to sell an 18th-century French masterpiece for a fraction of what it later sold for, did not deliberately undervalue the painting

Restitution Study Group have lost their first legal battle but insist the case is still pending

A lawsuit claims that the billionaire sexually assaulted a woman in Jeffrey Epstein's New York mansion

While the judge decided the defendant sold the works in good faith, he ruled that all seven objects purchased by the sheikh are fakes

A spate of recent high-profile cases demonstrate ongoing challenges for the sector

Monica Bonvicini's departure from the gallery's roster is one of many in recent months

The French dealer, who is under investigation for selling a series of allegedly forged paintings, has had a warrant out for his arrest since 2019

Surface Area, an art and retail showroom in Miami’s Design District, says the embattled artist owes $145,813 for a month-long rental

The charges, brought ten years ago by a rival gallerist, revolved around allegations that a curator at France’s national museum of Asian art had received favours in exchange for organising a Chu Teh-Chun exhibition

The heirs of Jewish dealers, who allegedly sold the medieval collection to the Prussian government under duress due to Nazi persecution, may appeal the ruling

Letitia James's office is seeking information on more than 50 collectors related to a 2020 lawsuit against the auction house

Rachel Williams, a friend of Anna Sorokin’s who ultimately assisted authorities in having her arrested, claims ‘Inventing Anna’ is a “hatchet job”

Works by Miro, Hockney and Glenna Goodacre are among those being sold to pay off creditors as couple face allegations of embezzlement

Representatives of the artist’s estate are suing Darger’s longtime landlords, who brought his work to light after his death, for copyright infringement

The fate of the work, valued at around $175,000, can now be determined independently from the high-profile divorce of a former Connecticut state senator and a Wall Street banker