Verdict is likely to have a domino effect on all other cases filed by Russian billionaire collector Dmitry Rybolovlev

After months of fundraising to bring legal action, judge dismisses antiques trade's objections to upcoming ban

A three-way battle is brewing in New York courts as the heirs of two Holocaust victims take on the work’s current owner

Inadvertent damage to paintings’ frames triggered a drawn-out, multi-million dollar lawsuit

Introduced in March, the Counter Act is the latest legislation that faces dealers with financial regulatory burden

The NBCUniversal vice chairman and co-founder of Creative Artists Agency claims two art dealers duped him into buying the fake painting for nearly $1m in 2001

Antiques trade fought for judicial review of proposed ban, due to come into force in the coming months, but draft judgement will not be made until 31 October

Demonstrators at the White Plains courthouse kept up the pressure to hold Sackler family accountable in opioid crisis, as a $10bn settlement hangs in the balance

Wave of sentencing and changes in legislation puts pressure on art world

Signatories have asked New York's Swiss Institute to address “troubling claims” about an artist included in current group show

Four takeaways from the Institute for Artists’ Estates’ Los Angeles workshop

Street artist has created merchandise range from disco balls made from riot police helmets to hand-stitched welcome mats

Plaintiffs' lawyer says sexual harassment of university students remains an 'epidemic' despite the progress of the #MeToo movement

Independent curators and handlers could be affected but no major changes predicted in museum recruitment practices

But state attorneys general predict an imminent bankruptcy filing as settlement talks break down

Acquittal for one man and deadlock on another on charges related to artists' compound shifts the focus to pending civil lawsuit

Artist says the reported deal is a cynical attempt to avoid significant restitution

Proposed settlement calls for family's company Purdue Pharma to file for bankruptcy and become a public trust distributing profits

Appeals court says that guidelines limiting number of sellers in four green spaces are constitutional

Jamie Thomas is accused of stealing more than $1m and 100 works of art from the late artist in new court filing

British art dealer sentenced to up to 12 years after pleading guilty to fraud and grand larceny in the New York State Supreme Court

Nahmad could face jail time after admitting two counts of assault against Georgia Barry

The painting, long the subject of an attribution dispute, is now at the centre of a legal conflict over ownership

Julian Rivera says his heart-shaped “love” design was copied on a popular line of clothing without his permission

Pioneering agreement to share contested work from Gurlitt trove provides a roadmap for similar legal cases

He seeks $200m in damages from lawyer who he says "hoodwinked" him

The Hilti Trust and the defunct gallery’s owners are in the process of reaching an agreement—but they could still end up in court