An unfair dismissal claim is a legal challenge arguing that your employer dismissed you without a fair reason or without following a fair procedure. Employees usually need two years’ continuous service, although no minimum service may apply in certain automatically unfair dismissal cases, such as whistleblowing or asserting statutory rights. Time limits are strict: you normally need to notify Acas for early conciliation within three months less one day of the dismissal. An employment tribunal decides whether the dismissal was fair, so consider taking advice from a solicitor regulated by the SRA or another qualified employment adviser.