1. Partial onset seizures with or without secondary generalisation in conjunction with a diagnosed epilepsy of symptomatic or unknown course.

2. The decision to prescribe Eslicarbazepine acetate (ESL) was taken independent of and prior to enrollment into this study.

3. Treatment with ESL is in agreement with the valid summary of product characteristics (SmPC) version, particularly with the licensed indication.

4. Age 18 years and older.

5. Participant's written consent.

ZEDEBAC: Zebinix Effects in Dependency of Baseline Conditions