Early signs of the order’s impact on cultural exchange have artists and curators concerned

US Supreme Court called on to consider potential harm to arts organisations and the American public

The amicus brief signed by more than 100 museums should shame the justices of the US Supreme Court

A 2008 amendment to the Foreign Sovereign Immunities Act does not open a foreign nation's assets to claimants, the justices unanimously decided

Victims of a 1997 suicide attack want to seize ancient Persian tablets from a Chicago museum to satisfy a $71m judgment in their favour

Decision puts to rest lengthy legal battle started by Pierre Konowaloff in 2008

Museums could benefit, as well as spouses who inherit works

Artists argue that law could adversely affect works involving appropriation

US Supreme Court rules that ten-year-old statute, designed to outlaw "crush" videos, is unconstitutionally broad

Anti-censorship group believes law against images of cruelty limits artistic freedoms

The Justices rule six to three in favour of Maria Altmann. She can now pursue her case in American courts

The Bush administration argues that Austria cannot be sued in a US court because it would interfere with foreign relations

Although successful restitutions have been achieved through focused research in individual museums, numerous cases in federal and provincial museums still need to be solved

An American citizen is claiming six Klimts from the Nationalgalerie in Vienna alleged to have been seized from her uncle by the Nazis and then unlawfully retained by Austria after the war

"Avant-gardeartistes remain entirely free to épater les bourgeois," wrote Justice Antonin Scalia, "they are merely deprived of the additional satisfaction of having the bourgeoisie taxed to pay for it"

Instead of raising hopes that they might deal a decisive slap in the face to Congressional limits on artistic expression, the justices gave no clear indication of where they were heading in the case