they cannot be cured by consent.” Id. at 613-14, 472 A.2d 566. Likewise, in Catanoso, supra, the Law Division found that if the defendant’s counsel acted as a zealous advocate, he would have had to “breach the duty of loyalty that he owes to his former client,” the State’s main witness against the defendant. 222 N.J.Super. at 648, 537 A.2d 794. Therefore, although the defendant was willing to waive the right to cross-examine the State’s witness so that he could maintain his choice of counsel, the Law Division observed that the defendant’s counsel’s prior representation of the witness may have permitted him to acquire confidential information that could be used favorably by the defendant. Id. at 645, 537 A.2d 794. See also Reardon v. Marlayne, Inc., 83 N.J. 460, 473, 416 A.2d 852 (1980) (<HOLDING>). The Law Division found that defendant’s
holding in a marital dissolution action that a sibling relationship between a husbands attorney and a wifes former physician was insufficient to disqualify the attorney and explaining that the attorneys brother presumably possesses confidential information relating to the wife but there is no evidence that he disclosed any such information to his sister holding that presumption of access to and knowledge of confidential information between attorney and former client notwithstanding attorneys declarations to the contrary may not be rebutted holding attorneys motion to intervene in former clients tort suit untimely because attorney had clear and early notice that former client would not adequately represent his interests holding that in order to determine whether disqualification of plaintiffs attorney is appropriate because of a previous attorneyclient relationship he had with the defendant the court must determine whether confidential information was passed from client to attorney holding that an attorney may only undertake to represent a new client against a former client  where there is no confidential information received from the former client that is in any way relevant to representation of the current client