The invention relates to a hydrophilic coating formulation which when
cured results in a hydrophilic coating, wherein the hydrophilic coating
formulation comprises a copolymeric polyelectrolyte. The invention
further relates to a hydrophilic coating, a lubricious coating, use of a
copolymeric polyelectrolyte in a lubricious coating, an article, a
medical device or component and a method of forming on a substrate a
hydrophilic coating.