There is an abundance of legal theory and philosophy resources online. This is merely a selection.

Australian Society of Legal Philosophy
http://www.law.monash.edu.au/about-us/industry-and-community/aslp/

International Association for Philosophy of Law and Social Philosophy
http://www.ivronline.org/

Australian Legal Philosophy Students Association
http://alpsa-alpsa.blogspot.com/

Cambridge Forum for Legal and Political Philosophy
http://www.cflpp.law.cam.ac.uk

Columbia Legal Theory Workshop
http://www.law.columbia.edu/center_program/legal_theory

Edinburgh Legal Theory Research Group
http://www.law.ed.ac.uk/legaltheory/

European University Institute Law Department
http://www.eui.eu/DepartmentsAndCentres/Law/Index.aspx

European Academy of Legal Theory
http://www.legaltheory.be

Kadish Center for Morality, Law and Public Affairs
http://www.law.berkeley.edu/kadish.htm

NYU Colloquium in Legal, Political and Social Philosophy
http://www.law.nyu.edu/academics/colloquia/index.htm

Legal Philosophy in Oxford
http://www.law.ox.ac.uk/jurisprudence/

Legal Theory Blog
http://lsolum.blogspot.com/

Pennsylvania Institute for Law and Philosophy
http://www.law.upenn.edu/academics/institutes/ilp/

Rutgers Institute for Law and Philosophy
http://lawandphil.rutgers.edu/

Stanford Encyclopaedia of Philosophy
http://plato.stanford.edu

UCL Colloquium in Legal and Social Philosophy
http://www.ucl.ac.uk/laws/jurisprudence/index.shtml?colloquia

Yale Center for Law and Philosophy
http://www.law.yale.edu/yclp/

Yale Law School Legal Theory Workshop
http://www.law.yale.edu/intellectuallife/ltw.htm

IVR Encyclopaedia of Jurisprudence, Legal Theory and Philosophy of Law
http://www.ivr-enc.info/