Amanda Knox's legal team says it fully expects her to be proved innocent at retrial.
Speaking to NBC's Today show, Theodore Simon says nothing has changed and insisted "there was no evidence before, and there is no evidence now".
Watch the interview in full from NBC News.
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Ian Paterson was convicted of 17 counts of wounding with intent and three counts of unlawful wounding.
The child suffered months of headaches that left doctors baffled. He was finally diagnosed after he drew an Etch-A-Sketch of his condition.
A guarantee from City Hall to bankroll the annual £2-3m bill was a key planning condition imposed by Westminster and Lambeth councils.