In reference to the patent: EP1807053A1
What is the expiration date of this patent?
According European Patent convention expiry of European patent if it is not withdrawn, abandoned, revoked or lapsed is 20 year from filing date; it can be extended by contracting state;
Article 63[ 53 ] Term of the European patent
(1) The term of the European patent shall be 20 years from the date of filing of the application.
(2) Nothing in the preceding paragraph shall limit the right of a Contracting State to extend the term of a European patent, or to grant corresponding protection which follows immediately on expiry of the term of the patent, under the same conditions as those applying to national patents:
European patent status can be quickly seen at EPO register. through direct link given on Google Patents (see below image); or by using search page European Patent Register
Form example query application was withdrawn hence not active.