If this is true then we're in august company! A recent article in the New York Times notes that The Supreme Court of the United States regularly quotes and misquotes a certain Robert Zimmerman.
If you'd like to read more about the connection between America's bard and SCOTUS check out Alex Long's law review article The Freewheeling Judiciary: A Bob Dylan Anthology.
So how much influence does Bob have over our judiciary? As always the answer is blowing in the wind.