Jan Bruegel the Elder

Rothko lawsuit lays bare the privacy versus provenance conflict

A recent case, relating to the sale of work by the Abstract Expressionist, centred on the tension between client confidentiality and transparency; the solution is far from simple

Acquisitions round-up: European museums co-purchase El Anatsui sculpture from collector Uli Sigg

Woodland scene by Jan Brueghel the Elder heads to Washington DC; London’s National Portrait Gallery gets a Gainsborough via acceptance in lieu

What's onarchive

What's on in London: Glass extravagance at Mallett's and Richard Green’s cabinet of Dutch delights

Also on show are Ewan Uglow’s precise drawings at Browse and Darby and the diverse talents of Underwood at the Redfern Gallery