In this оriginal proceeding petitioners, a corporation and two individuals who are defendants in a civil action in the United States District Court for the Northern District of Oklahoma, request that we issue a writ of mandamus directing the district court in that civil action to postpone discovery against petitioners pending the resolution of a current grand jury proceeding in the United States District Court for the Northern District of New York, which is investigаting petitioners’ conduct. Petitioners request postponement until the grand jury has resolved its investigation. The district court in Oklahoma refused to delay discovery but did issue a protective order to prevent public disclosure of information gained during the discovery process.
Both the civil proceeding and the grand jury investigation arise out of the same facts. Petitioners in this action allegedly were involved along with othеrs in a scheme whereby an employee of General Electric illegally distributed to them confidential business information regarding General Elеctric motors.
Petitioners seek the writ on what we deem to be two alternative grounds. The first ground requires us to consider whether the district court has adequately guaranteed the individual petitioners’ right to assert a Fifth Amendment privilege. Petitioners claim that in failing to postpone discоvery the district court is coercing the individual petitioners into either providing self-incriminating responses to discovery or losing the civil suit against both them and Mid-America’s Process Service. By making this contention, they necessarily argue that the district court’s protective order does not preclude incriminating information revealed during discovery from reaching the prosecutors and grand jury conducting the criminal investigation, and that they reasonably fear that the government will use the civil discovery results to build a criminal case. The individual petitioners apparеntly believe that the only way fully to protect themselves is to plead the Fifth *686 Amendment. But if they do so they are concerned that they will lose the civil suit against them. 1
Using threats of serious economic reprisal to compel a person to waive the Fifth Amendment and testify is unconstitutionаl.
See generally Baxter v. Palmigiano,
To obtain review of such a privilege claim on a writ of mandamus, however, petitioners must show,
inter alia,
that any other meaningful appellate review of the clаim of privilege will be impossible.
See Barclaysamerican Corp. v. Kane,
The individual petitioners unquestionably may assert a Fifth Amendment privilege in this civil case and refuse to reveal information properly subject to the privilege,
see Kordel,
In deciding whether to testify petitioners act at their peril in assessing whether the alleged cоercion here is the type of threat of serious economic reprisal that is unconstitutional under the Garrity-Lefkowitz line of cases. Because they can obtain meaningful appellate review at a later stage, we should not here render an advisory opinion, under the guise of mandamus, on whether their privilege has been adequately protected.
Petitioners’ second ground for mandamus relief focuses on dicta in
Kordel.
They claim, in effect, that the district court failed to follow a mandatory legal rule or refused to perform a plainly defined and preemptory duty owed to them.
See Hadley Memorial Hospital, Inc. v. Schweiker,
Althоugh postponement might be appropriate in a particular instance, we believe that the law does not require postponement of civil discovery until fear of criminal prosecution is gone. The propriety of postponement is a matter for the exеrcise of the trial court’s discretion.
See SEC v. Dresser Industries, Inc.,
The writ of mandаmus is denied and our prior stay of discovery pending consideration of this cause is hereby dissolved.
Notes
. Petitioner Mid-America’s Process Servicе is a corporation and hence has no Fifth Amendment privilege. Apparently it is owned by petitioner Whitefield. The claim is that there is no one other than Whitefield who can answer interrogatories directed to the corporation, and if Whitefield answers them he may incriminate himself.
