What would a survey about law firm finances be without a dispute?Dentons contested some of the financial figures reported by The American Lawyer.The report said Dentons profits per equity partner plunged 10 percent to $495,000 — ranking it dead last among the 100 firms. But how can that be? Dentons says it did not disclose such a statistic.It points out its profits per equity partner at its U.S. arm last year were $1 million, which it says was a 5 percent raise from a year ago. Furthermore, Mike McNamara, managing …