It's generally accepted that the legal aspects of open source technology need consideration in any corporate transaction. In the technology market place, purchasers of open source based companies (and even those that are mere passive users of open source) are becoming increasingly aware of the value risks that open source licence programmes can present. What can buyers and sellers do to protect their respective positions and what technologies can be deployed to support open source investigation? This presentation will cover the legal and technical risk management measures that can be used in open source technology M&A.