Civil partnerships, which were legally recognised in 2005 by virtue of the Civil Partnership Act 2004, give same-sex couples the same legal rights as married heterosexual couples in matters including inheritance and next-of-kin arrangements and introduces the right for civil partnership marriage ceremonies to be public and be conducted by clergy.

It is almost a paradox that an Act brought into force for reasons of equality is now challenged for discrimination. The Notting Hill couple has a point but is it worth pursuing?