delivered the opinion of the Court.

We granted certiorari to determine whether a federal court should abstain from considering a challenge to the constitutionality of disciplinary rules that are the subject of pending state disciplinary proceedings within the jurisdiction of the New Jersey Supreme Court. 454 U. S. 962 (1981). The Court of Appeals held that it need not abstain under Younger v. Harris, 401 U. S. 37 (1971). We reverse.

I

A

The Constitution of New Jersey charges the State Supreme Court with the responsibility for licensing and disciplining attorneys admitted to practice in the State. Art. 6, § 2, ¶ 3.1 Under the rules established by the New Jersey Supreme Court, promulgated pursuant to its constitutional authority, a complaint moves through a three-tier procedure. First, local District Ethics Committees appointed by the *426State Supreme Court are authorized to receive complaints relating to claimed unethical conduct by an attorney. New Jersey Court Rule l:20-2(d). At least two of the minimum of eight members of the District Ethics Committee must be nonattorneys. Complaints are assigned to an attorney member of the Committee to report and make a recommendation. Rule l:20-2(h). The decision whether to proceed with the complaint is made by the person who chairs the Ethics Committee. If a complaint is issued by the Ethics Committee it must state the name of the complainant, describe the claimed improper conduct, cite the relevant rules, and state, if known, whether the same or a similar complaint has been considered by any other Ethics Committee. The attorney whose conduct is challenged is served with the complaint and has 10 days to answer.2

Unless good cause appears for referring the complaint to another Committee member, each complaint is referred to the member of the Committee who conducted the initial investigation for review and further investigation, if necessary. The Committee member submits a written report stating whether a prima facie indication of unethical or unprofessional conduct has been demonstrated. The report is then evaluated by the chairman of the Ethics Committee to determine whether a prima facie case exists. Absent a prima facie showing, the complaint is summarily dismissed. If a prima facie case is found, a formal hearing on the complaint is held before three or more members of the Ethics Committee, *427a majority of whom must be attorneys. The lawyer who is charged with unethical conduct may have counsel, discovery is available, and all witnesses are sworn. The panel is required to prepare a written report with its findings of fact and conclusions. The full Committee, following the decision of the panel, has three alternatives. The Committee may dismiss the complaint, prepare a private letter of reprimand, or prepare a presentment to be forwarded to the Disciplinary Review Board. Rule l:20-2(o).3

The Disciplinary Review Board, a statewide board which is also appointed by the Supreme Court, consists of nine members, at least five of whom must be attorneys and at least three of whom must be nonattorneys. The Board makes a de novo review. Rule 1:20 — 3(d)(3).4 The Board is required to make formal findings and recommendations to the New Jersey Supreme Court.

All decisions of the Disciplinary Review Board beyond a private reprimand are reviewed by the New Jersey Supreme Court. Briefing and oral argument are available in the Supreme Court for cases involving disbarment or suspension for more than one year. Rule 1:20-4.

B

Respondent Lennox Hinds, a member of the New Jersey Bar, served as executive director of the National Conference of Black Lawyers at the time of his challenged conduct. Hinds represented Joanne Chesimard in a civil proceeding challenging her conditions of confinement in jail. In 1977 *428Chesimard went to trial in state court for the murder of a policeman. Respondent Hinds was not a counsel of record for Chesimard in the murder case. However, at the outset of the criminal trial Hinds took part in a press conference, making statements critical of the trial and of the trial judge's judicial temperament and racial insensitivity. In particular, Hinds referred to the criminal trial as “a travesty,” a “legalized lynching,” and “a kangaroo court.”

One member of the Middlesex County Ethics Committee read news accounts of Hinds' comments and brought the matter to the attention of the Committee. In February 1977 the Committee directed one of its members to conduct an investigation. A letter was written to Hinds, who released the contents of the letter to the press. The Ethics Committee on its own motion then suspended the investigation until the conclusion of the Chesimard criminal trial.

After the trial was completed the Committee investigated the complaint and concluded that there was probable cause to believe that Hinds had violated DR 1 — 102(A)(5) of the Disciplinary Rules of the Code of Professional Responsibility.5 That section provides that “[a] lawyer shall not. . . [ejngage in conduct that is prejudicial to the administration of justice.” Respondent Hinds also was charged with violating DR 7-107(D), which prohibits extrajudicial statements by lawyers associated with the prosecution or defense of a criminal matter.6 The Committee then served a formal statement of charges on Hinds.

*429Instead of filing an answer to the charges in accordance with the New Jersey Bar disciplinary procedures, Hinds and the three respondent organizations filed suit in the United States District Court for the District of New Jersey contending that the disciplinary rules violated respondents’ First Amendment rights. In addition, respondents charged that the disciplinary rules were facially vague and overbroad. The District Court granted petitioner’s motion to dismiss based on Younger v. Harris, 401 U. S. 37 (1971), concluding that “[t]he principles of comity and federalism dictate that the federal court abstain so that the state is afforded the opportunity to interpret its rules in the face of a constitutional challenge.” App. to Pet. for Cert. 53a-54a. At respondents’ request the District Court reopened the case to allow respondents an opportunity to establish bad faith, harassment, or other extraordinary circumstance which would constitute an exception to Younger abstention. Dombrowski v. Pfister, 380 U. S. 479 (1965). After two days of hearings the District Court found no evidence to justify an exception to the Younger abstention doctrine and dismissed the federal-court complaint.

A divided panel of the United States Court of Appeals for the Third Circuit reversed on the ground that the state bar disciplinary proceedings did not provide a meaningful opportunity to adjudicate constitutional claims. 643 F. 2d 119 (1981). The court reasoned that the disciplinary proceedings in this case are unlike the state judicial proceedings to which the federal courts usually defer. The Court of Appeals majority viewed the proceedings in this case as administrative, “nonadjudicative” proceedings analogous to the preindictment stage of a criminal proceeding.7

*430On petition for rehearing petitioner attached an affidavit from the Clerk of the New Jersey Supreme Court which stated that the New Jersey Supreme Court would directly consider Hinds’ constitutional challenges and that the court would consider whether such a procedure should be made explicit in the Supreme Court rules. On reconsideration a divided panel of the Third Circuit declined to alter its original decision, stating that the relevant facts concerning abstention are those that existed at the time of the District Court’s decision. 651 F. 2d 154 (1981).8

Pending review in this Court, the New Jersey Supreme Court has heard oral arguments on the constitutional challenges presented by respondent Hinds and has adopted a rule allowing for an aggrieved party in a disciplinary hearing to *431seek interlocutory review of a constitutional challenge to the proceedings.9

II

A

Younger v. Harris, supra, and its progeny espouse a strong federal policy against federal-court interference with pending state judicial proceedings absent extraordinary circumstances. The policies underlying Younger abstention have been frequently reiterated by this Court. The notion of “comity” includes “a proper respect for state functions, a recognition of the fact that the entire country is made up of a Union of separate state governments, and a continuance of the belief that the National Government will fare best if the States and their institutions are left free to perform their separate functions in their separate ways.” Id., at 44.10 Minimal respect for the state processes, of course, precludes any presumption that the state courts will not safeguard federal constitutional rights.

*432The policies underlying Younger are fully applicable to noncriminal judicial proceedings when important state interests are involved. Moore v. Sims, 442 U. S. 415, 423 (1979); Huffman v. Pursue, Ltd., 420 U. S. 592, 604-605 (1975). The importance of the state interest may be demonstrated by the fact that the noncriminal proceedings bear a close relationship to proceedings criminal in nature, as in Huffman, supra. Proceedings necessary for the vindication of important state policies or for the functioning of the state judicial system also evidence the state’s substantial interest in the litigation. Trainor v. Hernandez, 431 U. S. 434 (1977); Juidice v. Vail, 430 U. S. 327 (1977). Where vital state interests are involved, a federal court should abstain “unless state law clearly bars the interposition of the constitutional claims.” Moore, 442 U. S., at 426. “[T]he . . . pertinent inquiry is whether the state proceedings afford an adequate opportunity to raise the constitutional claims . . . .” Id., at 430. See also Gibson v. Berryhill, 411 U. S. 564 (1973).

The question in this case is threefold: first, do state bar disciplinary hearings within the constitutionally prescribed jurisdiction of the State Supreme Court constitute an ongoing state judicial proceeding; second, do the proceedings implicate important state interests; and third, is there an adequate opportunity in the state proceedings to raise constitutional challenges.

B

The State of New Jersey, in common with most States,11 recognizes the important state obligation to regulate persons *433who are authorized to practice law. New Jersey expresses this in a state constitutional provision vesting in the New Jersey Supreme Court the authority to fix standards, regulate admission to the bar, and enforce professional discipline among members of the bar. N. J. Const., Art. 6, §2, ¶3. The Supreme Court of New Jersey has recognized that the local District Ethics Committees act as the arm of the court in performing the function of receiving and investigating complaints and holding hearings. Rule 1:20-2; In re Logan, 70 N. J. 222, 358 A. 2d 787 (1976). The New Jersey Supreme Court has made clear that filing a complaint with the local Ethics and Grievance Committee “is in effect a filing with the Supreme Court. . . .” Toft v. Ketchum, 18 N. J. 280, 284, 113 A. 2d 671, 674, cert. denied, 350 U. S. 887 (1955). “From the very beginning a disciplinary proceeding is judicial in nature, initiated by filing a complaint with an ethics and grievance committee.”12 18 N. J., at 284, 113 A. 2d, at 674. It is clear beyond doubt that the New Jersey Supreme Court considers its bar disciplinary proceedings as “ju*434dicial in nature.”13 As such, the proceedings are of a character to warrant federal-court deference. The remaining inquiries are whether important state interests are implicated so as to warrant federal-court abstention and whether the federal plaintiff has an adequate opportunity to present the federal challenge.

C

The State of New Jersey has an extremely important interest in maintaining and assuring the professional conduct of the attorneys it licenses. States traditionally have exercised extensive control over the professional conduct of attorneys. See n. 11, supra. The ultimate objective of such control is “the protection of the public, the purification of the bar and the prevention of a re-occurrence.” In re Baron, 25 N. J. 445, 449, 136 A. 2d 873, 875 (1957). The judiciary as well as the public is dependent upon professionally ethical conduct of attorneys and thus has a significant interest in assuring and maintaining high standards of conduct of attorneys engaged in practice. See In re Stein, 1 N. J. 228, 237, 62 A. 2d 801, 805 (1949), quoting In re Cahill, 66 N. J. L. 527, 50 A. 119 (1901). The State’s interest in the professional conduct of attorneys involved in the administration of criminal justice is of special importance. Finally, the State’s interest in the present litigation is demonstrated by the fact that the Mid-dlesex County Ethics Committee, an agency of the Supreme Court of New Jersey, is the named defendant in the present *435suit and was the body which initiated the state proceedings against respondent Hinds.

The importance of the state interest in the pending state judicial proceedings and in the federal case calls Younger abstention into play. So long as the constitutional claims of respondents can be determined in the state proceedings and so long as there is no showing of bad faith, harassment, or some other extraordinary circumstance that would make abstention inappropriate, the federal courts should abstain.

D

Respondent Hinds contends that there was no opportunity in the state disciplinary proceedings to raise his federal constitutional challenge to the disciplinary rules. Yet Hinds failed to respond to the complaint filed by the local Ethics Committee and failed even to attempt to raise any federal constitutional challenge in the state proceedings. Under New Jersey’s procedure, its Ethics Committees constantly are called upon to interpret the state disciplinary rules. Respondent Hinds points to nothing existing at the time the complaint was brought by the local Committee to indicate that the members of the Ethics Committee, the majority of whom are lawyers, would have refused to consider a claim that the rules which they were enforcing violated federal constitutional guarantees. Abstention is based upon the theory that “ ‘[t]he accused should first set up and rely upon his defense in the state courts, even though this involves a challenge of the validity of some statute, unless it plainly appears that this course would not afford adequate protection.’” Younger v. Harris, 401 U. S., at 45, quoting Fenner v. Boykin, 271 U. S. 240, 244 (1926).

In light of the unique relationship between the New Jersey Supreme Court and the local Ethics Committee, and in view of the nature of the proceedings, it is difficult to conclude that there was no “adequate opportunity” for respondent Hinds *436to raise his constitutional claims.14 Moore, 442 U. S., at 430.

Whatever doubt, if any, that may have existed about respondent Hinds’ ability to have constitutional challenges heard in the bar disciplinary hearings was laid to rest by the subsequent actions of the New Jersey Supreme Court. Prior to the filing of the petition for certiorari in this Court the New Jersey Supreme Court sua sponte entertained the constitutional issues raised by respondent Hinds. Respondent Hinds therefore has had abundant opportunity to present his constitutional challenges in the state disciplinary proceedings.15

There is no reason for the federal courts to ignore this subsequent development. In Hicks v. Miranda, 422 U. S. 332 (1975), we held that “where state criminal proceedings are begun against the federal plaintiffs after the federal complaint is filed but before any proceedings of substance on the merits have taken place in federal court, the principles of Younger v. Harris should apply in full force.” Id., at 349. An analogous situation is presented here; the principles of comity and federalism which call for abstention remain in full *437force. Thus far in the federal-court litigation the sole issue has been whether abstention is appropriate. No proceedings have occurred on the merits and therefore no federal proceedings on the merits will be terminated by application of Younger principles. It would trivialize the principles of comity and federalism if federal courts failed to take into account that an adequate state forum for all relevant issues has clearly been demonstrated to be available prior to any proceedings on the merits in federal court. 422 U. S., at 350.16

Respondents have not challenged the findings of the District Court that there was no bad faith or harassment on the part of petitioner and that the state rules were not “‘flagrantly and patently’ ” unconstitutional. Younger, supra, at 53, quoting Watson v. Buck, 313 U. S. 387, 402 (1941). See App. to Pet. for Cert. 50a-52a. We see no reason to disturb these findings, and no other extraordinary circumstances have been presented to indicate that abstention would not be appropriate.17

Ill

Because respondent Hinds had an “opportunity to raise and have timely decided by a competent state tribunal the federal issues involved,” Gibson v. Berryhill, 411 U. S., at 577, and because no bad faith, harassment, or other exceptional circumstances dictate to the contrary, federal courts should abstain from interfering with the ongoing proceedings. Accordingly, the judgment of the United States Court of Appeals for the Third Circuit is reversed, and the case is remanded for further proceedings consistent with this opinion.

Reversed and remanded.

concurring in the judgment.

For the reasons stated by Justice Marshall, I join the judgment in this case. I agree that federal courts should show particular restraint before intruding into an ongoing disciplinary proceeding by a state court against a member of the State’s bar, where there is an adequate opportunity to raise federal issues in that proceeding. The traditional and primary responsibility of state courts for establishing and enforcing standards for members of their bars and the quasi-criminal nature of bar disciplinary proceedings, In re Ruffalo, 390 U. S. 544, 551 (1968), call for exceptional deference by the federal courts. See Gipson v. New Jersey Supreme Court, 558 F. 2d 701, 703-704 (CA3 1977); Erdmann v. Stevens, 458 F. 2d 1205, 1209-1210 (CA2 1972). I continue to adhere to my view, however, that Younger v. Harris, 401 U. S. 37 (1971), is in general inapplicable to civil proceedings. See Huffman v. Pursue, Ltd., 420 U. S. 592, 613 (1975) (Brennan, J., dissenting).

with whom Justice Brennan, Justice Blackmun, and Justice Stevens join, concurring in the judgment.

I agree with much of the general language in the Court’s opinion discussing the importance of the State’s interest in regulating the professional conduct of its attorneys. However, I believe that the question whether Younger abstention would have been appropriate at the time that the District Court or the Court of Appeals considered this issue is not as simple as the Court’s opinion might be read to imply. As the Court acknowledges, absent an ongoing judicial proceeding in which there is an adequate opportunity for a party to raise federal constitutional challenges, Younger is inapplicable. Ante, at 432. See also Gibson v. Berryhill, 411 U. S. 564,577 (1973). Here, it is unclear whether, at the time the lower courts addressed this issue, there was an adequate opportunity in the state disciplinary proceedings to raise a constitu*439tional challenge to the disciplinary rules. Furthermore, it is unclear whether proceedings before the Ethics Committee are more accurately viewed as prosecutorial rather than judicial in nature.

I agree with the Court that we may consider events subsequent to the decisions of the courts below because the federal litigation has addressed only the question whether abstention is appropriate. Thus far, there have been no proceedings on the merits in federal court. Ante, at 436-437. After the Court of Appeals rendered its decision and denied petitioner’s petition for rehearing, the New Jersey Supreme Court certified the complaint against respondent Hinds to itself. App. to Pet. for Cert. 62a. Now, there are ongoing judicial proceedings in the New Jersey Supreme Court in which Hinds has been given the opportunity to raise his constitutional challenges. As a result, Younger abstention, at least with respect to Hinds, is appropriate at this time. For this reason only, I join the judgment of the Court.