This collection of essays was written in honour of David Vaver, who recently retired as Professor of Intellectual Property and Information Technology Law and Director of the Oxford Intellectual Property Research Centre at the University of Oxford. The essays, written by some of the world's leading academics, practitioners and judges in the field of intellectual property law, take as their starting point the common assumption that the patent, copyright and trade mark laws within members of the 'common law family' (Australia, Canada, Israel, Singapore, South Africa, the United Kingdom, the United States, and so on) share some sort of common tradition. The contributors examine, in relation to particular topics, the extent to which such a shared view of the field exists in the face of other forces that are producing divergence. The essays discuss, inter alia, issues concerning court practices, the medical treatment exception, non-obviousness and sufficiency in patent law, originality and exceptions in copyright law, unfair competition law, and cross-border goodwill and dilution in trade mark law.

Lionel Bently is the Herchel Smith Professor of Intellectual Property Law at the University of Cambridge.
Catherine W Ng is a Lecturer of Law at the University of Aberdeen.
Giuseppina D'Agostino is an Associate Professor of Law at Osgoode Hall Law School in Canada.

Introduction
1 Emerging Divergences in the Common Law of Intellectual Property: An Overview
LIONEL BENTLY
CATHERINE W NG
AND GIUSEPPINA D'AGOSTINO
Historical Perspectives
2 Intellectual Property and the Common Law in Scotland c1700-c1850
HECTOR L MACQUEEN
3 On Clarifying the Role of Originality and Fair Use in Nineteenth Century UK Jurisprudence: Appreciating 'the humble grey which emerges as the result of long controversy'
KATHY BOWREY
Court Practices
4 The Relationship between UK Common Law and the European Systems in the Context of Res Judicata
HENRY CARR
5 The Conduct of a Patent Trial from the Perspective of Practice in the US, UK and Canada
MARSHAL ROTHSTEIN
JAMES F HOLDERMAN
CHRISTOPHER FLOYD
AND KATHRYN PICKARD
6 Emergent Diversity in the Common Law Relating to Intellectual Property: How Domestic Court Practice
Informs Local Evolution of Law
ROGER T HUGHES
Patents
7 A Common Law Prescription for a Medical Malaise
TINA PIPER
8 Claiming a Life: are Organisms Inherently Unpatentable?
GRAHAM DUTFIELD
9 Divergent Approaches in Defi ning the Appropriate Level of Inventiveness in Patent Law
ANN MONOTTI
10 Suffi ciency of Disclosure in the Common Law: Complexity, Divergence and Confusion
SIVARAMJANI THAMBISETTY
Copyright
11 Common Law Approaches to the Requirement of Originality
SAM RICKETSON
12 Finding Originality in Recreative Copyright works
BURTON ONG
13 The Emancipation of Fair Use in Israel
LIOR ZEMER
Trade Marks and Unfair Competition
14 Unfair Competition by Misappropriation: the Reception of International News in the Common Law World
CHRISTOPHER WADLOW
15 The Common Law and Trade Marks in an Age of Statutes
GRAEME B DINWOODIE
16 Protecting Extraterritorial Goodwill: Exploring the Impetus Behind a Common Law
A KELLY GILL
17 Death of a Trade Mark Doctrine? Dilution of Anti-Dilution
LOUIS TC HARMS
Conclusion
18 Postscript: Was There Ever a Common Law of Intellectual Property?
LIONEL BENTLY
CATHERINE W NG
AND GIUSEPPINA D'AGOSTINO
David Vaver: Curriculum Vitae