NG27 group's case is described as first in public sector to address concerns over “gig economy” but museum says there will be implications

Facing 30 months in prison beginning in May, the dealer calls herself the "Martha Stewart of the art world"

The conviction follows a seven-year investigation into the Swiss banking giant by French authorities

New York art dealer falsely claimed around $1.6m in personal expenses as tax-deductible business expenses in 2011

Gary Klesch claims undisclosed provenance led him to pay higher price for two paintings by Jan Brueghel the Elder and Salomon van Ruysdael

Demands that the gallery close off part of its viewing-platform to prevent an invasion of privacy are dismissed in high court

Vladimir Kush is suing the 7 Rings singer for copyright infringement

Verdict was handed down in dramatic Paris hearing, which Pavlensky dedicated to the Marquis de Sade

A psychological evaluation submitted by her lawyers to a Manhattan federal court ask for leniency in judge’s ruling

The art dealer has been involved in a number of lawsuits, which allege he defaulted on purchases of art

The new Congress could reintroduce a key bill to establish droit de suite in the US

Former publisher had been accused of sexual harassment by a former employee and several other women

The case began when Jarman’s long-term companion Keith Collins lodged a civil action against the art dealer Richard Salmon

Critics say the proposed law, which stalled following the US mid-term elections, would place an unnecessary burden on dealers

Senior employees claim the $17m project threatens the Mikhailovsky Palace building and its collections

From new exhibitor regulations at Art Basel in Miami Beach to questions over insurance and taxes

Husband of deceased leader argues in court filings that chairman strong-armed his way into the post

European Court of Human Rights ordered payment over treatment of the group in pre-trial detention and treatment in court

Cuba's culture ministry waters down Decree 349, a new controversial censorship law

The British artist also invites the US gun lobby to donate $1m to victims of gun violence in the US

US Supreme Court decision is causing anxiety among dealers

The Los Angeles institution counters that it will keep on fighting to maintain the linchpin of its collection

Decision allows Fondation Pierre Bergé-Yves Saint Laurent to continue using trademark of French painter Jacques Majorelle

Dispute with 'NG27' group—who argue they were unfairly dismissed—could set a precedent for protecting rights of casual workers

US artist ordered to pay damages and costs, but Fair d’Hiver sculpture escapes seizure

The judgement comes after two experts found the painting was made with modern synthetic pigments

We need to rethink our perceptions of an artist or an artefact as having a single, unified or homogenous heritage

A legal battle over the Pop artist’s portraits of Prince is heating up

In court motions, he argues that his appropriation explores the virtual world of social media

The work, seized by the pro-Nazi Vichy government, had been lent to an exhibition at the Musée Marmottan