The two companies also argued that the ad was based on a concept that was first pitched to John Lewis in 2016 before being chosen in 2019. Ms Evans' illustrated book was published in 2017.
Both stories involve friendly dragons who struggle to fit in due to their fire-breathing abilities.
In the John Lewis advert, Excitable Edgar is seen accidentally melting a child's snowman, setting fire to Christmas decorations, and burning through an ice rink, creating a hole.
In Ms Evans' story, Fred struggles to control his fire-breathing at school, but is later encouraged to use his power to cook meals for fellow pupils. บาคาร่าคาสิโน