The decision handed down earlier this month contains a series of "odd italicizations," which the judge admitted "were something more than a typo," the newspaper said.
The first part of the message has already been decoded as "Smithy code," the newspaper said.
"We're not sure yet what it means, but we're working on it," a partner at the London-based law firm Olswang told the Times.
Director Ron Howard's film of Brown's best-selling book opens worldwide May 19.
Rosie O'Donnell unveils nearly 50-pound weight loss
Putin thinks Obama would save him if he were drowning