Intangible Intangibles: Patent Law's Engagement with Dematerialised Subject Matter - Paperbackby Brad Sherman (Author) This book takes as its starting point recent debates over the dematerialisation of subject matter which have arisen because of changes in information technology, molecular biology, and related fields that produced a subject matter with no obvious material form or trace. Arguing against the idea that dematerialisation is a uniquely twenty first century problem, this book looks at three situations where US patent law has already