“6. The claimant suspects that S&G received secret commissions from the ATE insurers they engaged in this case. There is evidence to support such suspicions. The Judge made an order underCPR Part 18 compelling S&G to disclose whether they did. S&G wish to challenge that order on appeal. 7. I do not consider this appeal raises an important point of principle or practice. It is a case-specific issue of an unusual nature…”