Reading decisions of the Appellate Division in legal malpractice cases involving attorneys on both sides often shows the AD dismissing the complaint on "but for" grounds.  The AD will look closely at the underlying transactions which led to the underlying litigation, and will decide whether there would have been a better or different outcome.

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Personal injury and legal malpractice cases have many strong bonds. Because a sizable portion of the litigation world is devoted to personal injuries (on both the plaintiff’s and defendant’s side), one correctly expects significant legal malpractice litigation after-wards. How the legal malpractice case proceeds along with or after the PI case is a not well