An engineer who took defence firm Leonardo UK to an employment tribunal for having to share women's toilets with transgender colleagues has lost a discrimination claim.

Maria Kelly alleged harassment related to sex, direct sex discrimination and indirect sex discrimination. She took the action after lodging a formal grievance with the company.

The tribunal was heard in Edinburgh in October 2025, but all of Ms Kelly's claims have since been dismissed by employment judge Michelle Sutherland.

Ms Kelly said she believes the outcome "fundamentally misunderstands both the law and my case", and intends to appeal.

In a written judgment published on Wednesday, December 3, Ms Sutherland said Leonardo UK's position was that "one out of 9,500 employees raised a concern about the impact of th

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