Amdocs Systems Group Ltd v Langton [2022]

The claimant started working for the respondent’s predecessor in 2003. At that point, Clause 6 of his contract entitled him to benefits as detailed in the staff manual and offer letter. The offer letter outlined income protection plan which would pay staff on long-term sick 75% of their salary. It was also stated that the payments under the protection plan would increase by 5% each year (to protect against inflation).  In 2006 the respondent took over the claimant’s employer. In 2009, the claimant began a period of long-term sickness absence and started to receive the income protection plan payments. 

In 2015 the claimant realised that the 5% escalator was not being applied and