The Lisbon Treaty was discussed by the European Union member states and it was signed in Lisbon on December 13, 2007 by the Heads of Government of the 27 EU member states.
This treaty consists of amendments to the two main EU treaties which are the EU Treaty and the Functioning of the EU Treaty.
It sets out the EU's values and gives legal effect to the Charter of Fundamental Rights. The Lisbon Treaty expands the rights of individuals and makes changes in the conduct of the EU's external relations. It also gives its citizens the right to deal with the EU institutions and any EU language.
The Lisbon Treaty is currently is undergoing a process for an approval to apply and control freedom, security, and justice within the European Union, without minding its internal borders.
http://www.fco.gov.uk/en/fco-in-action/institutions/britain-in-the-european-union/eu-lisbon-treaty/
