By coincidence, a by-election arose in Warrington, in 1981, and Kean stood against the new party with the slogan "Enforce Law, End Poverty, Create Jobs".
[3] The party's final candidacy came at the 1982 Glasgow Hillhead by-election, where Roy Jenkins, a leading figure in the newer SDP, was a candidate.
Kean's SDP fielded Douglas Parkin, who changed his name to "Roy Harold Jenkins" by deed poll.
The SDP took "Roy Harold Jenkins" to court, claiming that this attempt to confuse voters constituted a corrupt practice under the Representation of the People Act.
[4] However, the SDP was permitted to draw attention to the position of their candidate on the ballot paper,[3] and did so in a wide variety of ways.