John Gardner FBA is Professor of Jurisprudence and a Fellow of University College. He was formerly Reader in Legal Philosophy at King's College London (1996-2000), Fellow and Tutor in Law at Brasenose College, Oxford (1991-6) and Fellow of All Souls College, Oxford (1986-91). He has also held visiting positions at, among others, Columbia University, Yale University, Princeton University, the Australian National University, and most recently Cornell University. He serves on the editorial boards of numerous journals including the Oxford Journal of Legal Studies, Law and Philosophy, and The Journal of Moral Philosophy. Called to the Bar in 1988, he has been a Bencher of the Inner Temple since 2002 (although he does not practice). He was elected a Fellow of the British Academy in 2013.


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  • Timothy Macklem and John Gardner, 'Human Disability' (2014) 25 King's Law Journal 60
    DOI: 10.5235/09615768.25.1.60
    ISBN: 0961-5768
  • John Gardner, ''Why Law Might Emerge: Hart's Problematic Fable'' in L Duarte d'Almeida, J Edwards and A Dolcetti (eds), Reading HLA Hart's The Concept of Law (Hart Publishing 2013)
    ISBN: 9781849463249
  • John Gardner and James Edwards, 'Criminal Law' in Hugh LaFollette (ed), International Encyclopedia of Ethics (Wiley-Blackwell 2013)
    DOI: 10.1002/9781444367072.wbiee640
    ISBN: 978-1405186414
  • John Gardner, 'Criminals in Uniform' in R.A. Duff, Lindsay Farmer, S.E. Marshall, Massimo Renzo, and Victor Tadros (eds), The Constitution of Criminal Law (Oxford University Press 2013)
    DOI: 10.1093/acprof:oso/9780199673872.003.0006
    ISBN: 978-0-19-967387-2
  • John Gardner, 'Finnis on Justice' in John Keown and Robert P. George (eds), Reason, Morality, and the Law: The Philosophy of John Finnis (Oxford University Press 2013)
    DOI: 10.1093/acprof:oso/9780199675500.003.0011
    ISBN: 978-0-19-967550-0
  • John Gardner, 'Reasons and Abilities: Some Preliminaries' (2013) 58 American Journal of Jurisprudence 63
    DOI: 10.1093/ajj/aut004
    This paper takes some first steps in a study of the thesis that “ought” implies “can.” Considerable attention is given to the proper interpretation of the thesis, including the interpretation of “ought,” the interpretation of “can,” and the interpretation of “implies.” Having chosen a particular interpretation of the thesis to work on—in some ways its broadest interpretation—the paper tries to bring out some considerations that bear on its truth or falsity. After an excursion into the general theory of value, this paper finds it false. The paper concludes with the suggestion that part of its allure comes of confusion with another thesis, namely the thesis that “ought to try” implies “can succeed.” Suitably qualified, this last thesis is true, and the false thesis that “ought” implies “can” basks in the reflected glory. Left for another day are narrower interpretations of “ought” implies “can” which may protect it against my objections.
  • John Gardner, Law as a Leap of Faith: Essays on Law in General (Oxford University Press 2012)
    DOI: 10.1093/acprof:oso/9780199695553.001.0001
    1: Law as a Leap of Faith (first published 2000) 2: Legal Positivism: 5 1/2 Myths (2001) 3: Some Types of Law (2007) 4: Can There be a Written Constitution? (2011) 5: How Law Claims, What Law Claims (2012) 6: Nearly Natural Law (2007) 7: The Legality of Law (2004) 8: On the Supposed Formality of the Rule of Law (previously unpublished) 9: Hart on Legality, Justice, and Morality (2011) 10. The Virtue of Justice and the Character of Law (2000) 11: Law in General (previously unpublished) The eligible chapters for REF2014 are 4, 5, 8, 9, 11.
    ISBN: 978-0-19-969555-3
  • John Gardner, 'Ashworth on Principles' in Julian Roberts and Lucia Zedner (eds), Principles and Values in Criminal Law and Criminal Justice: Essays in Honour of Andrew Ashworth (Oxford University Press 2012)
    DOI: 10.1093/acprof:oso/9780199696796.003.0001
    ISBN: 978-0-19-969679-6
  • John Gardner, 'Corrective Justice, Corrected' (2012) 12 Diritto & Questioni Pubbliche 9
    ISBN: 1825-0173
  • John Gardner, 'How Law Claims, What Law Claims' in Matthias Klatt (ed), Institutionalized Reason: The Jurisprudence of Robert Alexy (Oxford University Press 2012)
    ISBN: 978-0-19-958206-8
  • John Gardner, 'Punishment and Compensation: A Comment' in Russell Christopher (ed), George Fletcher's Essays on Criminal Law (Oxford University Press 2012)
    ISBN: 9780199941230
  • John Gardner, 'Torts and Other Wrongs' (2012) 39 Florida State University Law Review 43
    ISBN: 0096-3070
  • John Gardner, 'Wrongdoing by Results: Moore\'s Experiential Argument' (2012) 18 Legal Theory 459
    Michael Moore and I agree about the moral importance of how our actions turn out. We even agree about some of the arguments that establish that moral importance. In Causation and Responsibility, however, Moore foregrounds one argument that I do not find persuasive, or even helpful. In fact I doubt whether it even qualifies as an argument. He calls it the �experiential argument�. In this comment I attempt to analyze Moore�s �experiential argument� in some detail and thereby to bring out why it doesn�t help. In the process I raise some problems about the rationality of the emotions, which may be where Moore and I part company. We both believe that emotions should be taken more seriously by moral philosophy. But apparently we have radically different views about what this means.
    ISBN: 1352-3252
  • John Gardner, 'What is Tort Law For? Part 1: The Place of Corrective Justice' (2011) 30 Law and Philosophy 1
    DOI: 10.1007/s10982-010-9086-6
    In this paper I discuss the proposal that the law of torts exists to do justice, more specifically corrective justice, between the parties to a tort case. My aims include clarifying the proposal and defending it against some objections (as well as saving it from some defences that it could do without). Gradually the paper turns to a discussion of the rationale for doing corrective justice. I defend what I call the ‘continuity thesis’ according to which at least part of the rationale for doing corrective justice is to mitigate one’s wrongs, including one’s torts. I try to show how much of the law of torts this thesis helps to explain, but also what it leaves unexplained. In the process I show (what I will discuss in a later companion paper) that ‘corrective justice’ cannot be a complete answer to the question of what tort law is for.
    ISBN: 0167-5249
  • John Gardner, 'Amartya Sen's The Idea of Justice' (2011) 6 Journal of Law, Philosophy and Culture 241
    An extended critical notice of Amartya Sen's book The Idea of Justice.
    ISBN: 1939-7917
  • John Gardner, 'Can There Be a Written Constitution?' (2011) 1 Oxford Studies in Philosophy of Law 162
    DOI: 10.1093/acprof:oso/9780199606443.001.0001
    ISBN: 978-0-19-960644-3
  • John Gardner and Timothy Macklem, 'Disibilità umane: su cosa significhi l\'avere accesso a un valore' (2011) 36 Ragion Pratica 9
    DOI: 10.1415/34411
    In this essay (published in Italian) we reflect on some general theoretical questions about disability, beginning with some absences of ability that are conventionally classed as disabilities (lack of vision, lack of mobility). We move from there to ask whether those of us who are conventionally classed as non-disabled in fact suffer from disabilities, and in particular whether there are disabilities shared by all humans. We reflect on the idea of the superhero, and also on whether it makes sense to envy the abilities of other species that are not shared by human beings. This leads us into a critique of species-relativism about value. We defend the thesis that all value is value for everything. This draws us into some reflections on the importance of ability and disability, and in particular on the practical importance for rational beings of that which they cannot attain.
    ISBN: 1720-2396
  • John Gardner, 'Relations of Responsibility' in Rowan Cruft, Matthew Kramer and Mark Reiff (eds), Crime, Punishment, and Responsibility: The Jurisprudence of Antony Duff (Oxford University Press 2011)
    DOI: 10.1093/acprof:oso/9780199592814.003.0006
    ISBN: 978-0-19-959281-4
  • John Gardner, 'Ethics and Law' in John Skorupski (ed), The Routledge Companion to Ethics (Routledge 2010)
    ISBN: 978-0-415-41362-6
  • John Gardner, 'Hart on Legality, Justice, and Morality' (2010) 1 Jurisprudence 253
    DOI: 10.5235/204033210793524276
    In this comment on Nigel Simmonds' book Law as a Moral Ideal, I take issue with Simmonds' interpretation of the work of H.L.A. Hart. I attempt to provide textual support for the view that Hart did find necessary connections - many of them - between law and morality. The bulk of the comment is devoted to exploring just one indirect necessary connection between law and morality that Hart may have noticed in The Concept of Law, viz. the connection from law to legality, from legality to justice, and from justice to morality. I find Hart surprisingly ambivalent about the last link in this chain, but do not find in this ambivalence any solace for Simmonds.
    ISBN: 2040-3313
  • John Gardner, 'Justification under Authority' (2010) 23 Canadian Journal of Law and Jurisprudence 71
    In this paper I discuss and reply to Malcolm Thorburn's important article 'Justifications, Powers, and Authority', Yale Law Journal 117 (2008), 1070. My discussion raises a wide range of conceptual and doctrinal questions about Thorburn's account of justification defences, and about the theory of justfication defences more generally. The paper also trespasses on some broader questions about the nature of law and its relationship to morality.
    ISBN: 0841-8209



Research programmes

Research Interests

Philosophy of law (including philosophy of criminal law, private law, and public law as well as of law in general); related aspects of moral and political philosophy

Options taught

Jurisprudence, Moral and Political Philosophy, Jurisprudence and Political Theory, Philosophical Foundations of the Common Law

Research projects