K Cook v Gentoo Group Limited
[2023] EAT 12
Age discrimination claim requires demonstration of less favourable treatment due to age, and whether it is justified.
Equality Act 2010
The principle of finality of litigation
Employment Tribunal Rules
Reconsideration is only appropriate if there has been a material error in the original decision.
Employment Tribunal Rules and case law (cited but not specified)
The EAT allowed the appeal.
The Employment Judge erred in rejecting the reconsideration application; the ET's decision may have been based on an unpleaded and unsupported issue of parity between pension schemes, and McGonagle did not have the opportunity to address this.
The EAT directed reconsideration of the original ET decision.
To ensure fairness and allow McGonagle to address the unpleaded issue of parity, potentially affecting the original judgment.