Four women who claimed injuries from transvaginal mesh medical devices alleged in a legal-malpractice lawsuit that their attorneys and law firms botched their cases by missing filing deadlines, hid the mistake and lumped them into aggregate settlements.

And in a twist, one of the malpractice defendants is suing the plaintiffs attorneys, alleging they stole trade-secret client lists, improperly solicited the pelvic mesh clients and publicly revealed confidential settlements in violation of court orders.