It appears that Ferrari have been taken to court and have lost their trademark to the design of the 250 GTO
Ares Design took Ferrari to the Cancellation Division of the European Union Intellectual Protection Office, arguing Ferrari had not put the contested trademark to genuine use for a continuous period of five years.
The case was based on 'Article 58(1)(a) EUTMR', where a European Union trademark can be revoked if, within a continuous period of five years, the trademark has not been put to genuine use.
No doubt Ferrari will appeal the decision but I'm sure some replica manufacturers will be interested in the ruling.
A couple of articles about the story are: