Ongoing lawsuit between the financier Ronald Perelman and the dealer Larry Gagosian

Indian artist Subodh Gupta is in the mega-gallery's sights

Why is the most successful contemporary art dealer in the world opening a branch in Rome this month?

Meanwhile, doctors form an art club and Mimran takes on Type A

A new office opens in the Palazzo Borghese

The US lawsuit alleged they created a shell company to avoid paying dues

Taxman claims he and others created a shell company to avoid tax

Meanwhile, Ricard tries his hand at larceny while Blum's Judd masterpiece makes bank

Charles Saatchi and Larry Gagosian are discussing a joint gallery, reports Roger Bevan