She said the case had distressed her so much that every time she wrote the word muggle she had to get up from her computer.
She even considered giving up the Harry Potter books altogether and had been left unable to sleep.
But the case has not been her only problem. An American fan who had been stalking her was deported from Britain last month and there were reports that neighbours were fiercely opposed to the high wall she built around her Victorian villa.
The second Harry Potter film, Chamber of Secrets, is out in November, and even though it will face tough competition from The Two Towers, the second Lord of the Rings' instalment, it is expected to break all box office records.
The first film, The Philosopher's Stone, was the second highest-grossing movie of all time.
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