Belinda Neumann-Donnelly claims the work could have made an extra $15m if Hubert Neumann had not tried to block its sale

"This may raise many important Holocaust issues for the French market," Christie’s says

A case of man bites dog: auction house turns the tables on Greek government after it was forced to withdraw the figure from New York sale in May

An Israeli art historian has spent 20 years trawling the country’s archives for Palestinian cultural property

Object was returned to consigner not museum from where it was looted at the end of Second World War

There appear to be no winners in what the Arts Council refers to as an “extremely unusual” case

Dmitry Rybolovlev's $450m windfall from Salvator Mundi sale undermined fraud allegation, report says, but criminal cases against Bouvier in Europe are ongoing

Laurent and Olivier Kraemer charged with organised fraud and money laundering in ongoing investigation over so-called "fake Boulles"

It is business as usual, says the organisation’s director, as its founder, Ziyavudin Magomedov, remains in custody awaiting trial on racketeering charges

Lacy Doyle hid millions of dollars in inheritance in a Swiss bank account, US Attorney says

The legal tussle escalated recently with a controversial Barbie doll modelled on the Mexican artist and feminist icon’s image

The forthcoming Court of Arbitration for Art could cut costs and time, add anonymity

The court has ordered that Ezra Chowaiki forfeit over $16.6m as well as works by Picasso, Calder, Chagall and Degas

New York law firm warns galleries that legislation could mean new compliance and reporting regime

While artists and museums embrace futuristic tools, legal experts point to a number of pitfalls with cutting-edge work

Steven Tananbaum has paid $13m for three sculptures over a five-year period but still has not received any of the works

A New York State judge’s decision keeps a claim on Seated Man with a Cane alive

The heirs' attorney describes ruling as step closer to recovering "largest mass-theft in history," but Richard Nagy plans to appeal

Foundation denies allegations that it manipulates the authentication process to inflate the value of its holdings

A new law bans government-funded oil portraits of officials, but most paintings have been paid for privately for years

Meanwhile, much of the country’s art is stuck in limbo and its own efforts to recover cultural property have stalled

The complex saga started in June 2015 when the Beijing-based businessman Zhang Chang bought a work by Francis Bacon at Christie’s

A citizen is facing potential jail time over a mural referencing Trump’s 2005 Access Hollywood tape

The social media giant was found to be at fault for closing a schoolteacher’s account but his claims for €20,000 in damages were dismissed

Itzhak Zarug and his business partner Moez Ben Hazaz found guilty of fabricating provenance of three works

Ultra-rich collectors who run their own museums will benefit from the change

Will New York district attorney’s new unit clean up the antiquities market—or shut it down?

The judgment ends a lengthy legal battle between the heirs of Peggy Guggenheim and the US organisation

Provenance research commissioned by the university has found that-while the work was once owned by the legendary collector-it was not looted by the Nazis

Another court will have to uncover how the 271 works were stolen and by whom before being received by Pierre and Danielle Le Guennec