"We have won the case and proved that our complaint was justified," Shepherd told The Journal today.
"We are not going to let anybody steamroller Newcastle United and this sends out a message to any club which may attempt to do so.
"We always knew we had a cast-iron case and we are very happy that we have been proved right.
"Now we will look closely at the legal side of things and work out what further action, if any, we should take against West Ham."