Michael Schumacher’s management has confirmed that someone is attempting to sell what are alleged to be medical files relating to the German’s stay in the Grenoble hospital.

It has also been made clear that any use by the media will result in legal action.

A statement read: “For several days stolen documents and data are being offered for sale. The offeror claims them to be the medical file of Michael Schumacher.

“We cannot judge if these documents are authentic. However, the documents are clearly stolen. The theft has been reported. The authorities are involved.

“We expressly advise that both the purchase and the publication of such documents and data is forbidden. The contents of any medical files are totally private and confidential and must not made available to the public.

“We will therefore, in every single case, press for criminal charges and damages against any publication of the content or reference to the medical file.

“We trust for your understanding.”