In a medical malpractice action, defendant Sperling appeals from an order of the Supreme Court, Rockland County, entered August 29, 1978, which denied the motion of defendants Sperling and Levere to dismiss a portion of plaintiffs’ complaint on Statute of Limitations grounds. Order reversed, on the law, with $50 costs and disbursements, and motion granted. This action was originally commenced to recover for defendants’ alleged malpractice during an operation which took place in 1972. Subsequently, the plaintiffs obtained leave to amend their complaint to add allegations concerning malpractice by the defendant Sperling in surgical treatment rendered in 1968. Thereafter, Sperling and another defendant moved to dismiss the cause of action arising from the 1968 allegations as violative of the then applicable three-year Statute of Limitations. The motion was denied on the ground that the earlier grant of leave to amend was law of the case on the issue of Statute of Limitations. On this appeal from the order denying the motion to dismiss the cause of action the plaintiffs renew their contention that the Statute of Limitations issue had been raised and rejected on the motion to amend and therefore it could not serve as the basis for a motion to dismiss. The law of the case issue need not deter us here because a prior determination at Special Term sustaining the sufficiency of a complaint does not constitute law of the case in the Appellate Division (Klein v Snaigel,
