Computer software now makes an immense contribution to the operation and performance of most companies. Central to the economics for both vendor and purchaser are the legal arrangements that control their relationship. David Bainbridge provides expert advice and guidance on the drafting of licence agreements. The emphasis is on how licensing agreements work in practice, how they are negotiated and what occurs in the event of dispute. Contents include: copyright law and computer programs; industrial property rights; liability for defective software; software licenses; software procurement; negotiations; sample licence agreements Key new developments that impact on licensing such as the City of St Albans v ICL case and the Millennium Bug are treated comprehensively.