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.
NBC reportedly holds celebs hostage to Jimmy Fallon's show
Ray Liotta sues skin care company over use of likeness