I am not admitted in New Jersey (and never have been), but I looked up the New Jersey rules on withdrawing from representing a client.
The relevant part of Rule 7:7-9 of the Rules of Civil Procedure states:
© Withdrawal, Substitution Prior to Completion of Discovery and Prior to the Setting of a Trial Date. Prior to the completion of discovery and the setting of a trial date, an attorney may withdraw as counsel without leave of court upon the filing of the client’s written consent and a substitution of attorney executed by both the withdrawing attorney and the substituted attorney indicating that the withdrawal and substitution will not cause or result in delay. In the substitution of attorney, the withdrawing attorney shall certify that all discovery received from the State has been or will be provided to the substituting attorney within five business days after the filing of the fully executed substitution of attorney with the court.
(e) Motion at Any Stage of Proceedings. Nothing in this rule prohibits an attorney from filing a motion at any stage of the proceedings to be relieved from representing the defendant or be substituted as counsel.
Sooo, unless a new attorney is already lined up to substitute in, the judge would need to consent for her current attorney to withdraw.
Those pesky rules of Professional Responsibility also come out to play. The most relevant parts of which are as follows:
RULE RPC 1:16 - Declining or Terminating Representation
(a) Except as stated in paragraph ©, a lawyer shall not represent a client or, where representation has commenced, shall withdraw from the representation of a client if:
(1) the representation will result in violation of the Rules of Professional Conduct or other law; . . . or
(3) the lawyer is discharged.
(b) Except as stated in paragraph ©, a lawyer may withdraw from representing a client if:
(1) withdrawal can be accomplished without material adverse effect on the interests of the client;
(2) the client persists in a course of action involving the lawyer’s services that the lawyer reasonably believes is criminal or fraudulent;
(3) the client has used the lawyer’s services to perpetrate a crime or fraud;
(4) the client insists upon taking action that the lawyer considers repugnant or with which the lawyer has a fundamental disagreement;
(5) the client fails substantially to fulfill an obligation to the lawyer regarding the lawyer’s services and has been given reasonable warning that the lawyer will withdraw unless the obligation is fulfilled;
(6) the representation will result in an unreasonable financial burden on the lawyer or has been rendered unreasonably difficult by the client; or
(7) other good cause for withdrawal exists.
© A lawyer must comply with applicable law requiring notice to or permission of a tribunal when terminating a representation. When ordered to do so by a tribunal, a lawyer shall continue representation notwithstanding good cause for terminating the representation.
[Sorry for the ©. The forum’s autocorrect is doing that and I can’t figure out how to make it just put the “c” in parenthesis]