Written by attorneys · grounded in primary & secondary sources — see below
A Latin phrase denoting proceedings conducted before the court in open session. The phrase historically required that judicial actions such as verdicts, testimony, pleas, and jurisdictional consents occur publicly rather than in private chambers.
Sources & Authorities
How it applies
Common Examples
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Jury Returns Verdict Publicly
After deliberating, the jury in Isabella Ingram's criminal trial filed back into the courtroom. The foreperson announced a unanimous guilty verdict on the fraud counts directly to the presiding judge while the defendant, counsel, and spectators remained present. The court accepted the verdict without further inquiry because the announcement satisfied the requirement that the jury return its decision in open court.
Parties Consent to Jurisdiction on Record
Ivan Ivanov and India Inoue appeared before the family court in State A to modify an existing child-support order. Although neither party currently resided in State A, both executed a written consent and orally confirmed on the record that the tribunal could retain continuing exclusive jurisdiction. The court exercised modification authority because the parties had consented in open court.
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Witness Testifies Live at Trial
Ines Ibarra sued Island Manufacturing for breach of contract. At trial the company's key engineer appeared in person and gave testimony from the witness stand while the jury observed. The court overruled an objection seeking remote transmission because the rule requires that witness testimony be taken in open court absent compelling circumstances.
Criminal Trial Testimony Presented Openly
During Ivy Ibarra's federal prosecution, the government called its primary investigator to the stand. The witness answered questions in the presence of the jury, the defendant, and the public. Defense counsel's attempt to introduce prior deposition testimony instead was rejected because the rule mandates that testimony be taken in open court.
Discovery Dispute Resolved in Chambers
Ironclad Industries moved to compel production of work-product materials prepared by Inertia Dynamics' counsel. The district judge conducted an in-camera review and issued a written order without a hearing. The parties later disputed whether the resolution occurred in campo, but the court issued its order after the hearing in open court.
Hickman v. Taylor329 U.S. 495, 507 (1949)
Recusal Motion Heard Publicly
Ismael Ibrahim moved to disqualify the trial judge in a high-stakes contract action against Iris Energy. The court conducted a hearing at which the parties presented evidence of alleged bias and the judge ruled from the bench in open court. The transparency of the proceeding satisfied the requirement that recusal determinations occur in campo.
Caperton v. A. T. Massey Coal Co.556 U.S. 868 (2009)
Common questions
Frequently Asked
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Must a jury verdict always be announced in open court?+
Yes. The rule requires the jury to return its verdict to the judge in open court, and the verdict must be unanimous. This public announcement allows the parties and the public to witness the result and preserves the integrity of the deliberative process.
Supporting sources
Can parties consent to continuing jurisdiction outside open court?+
Consent may be given either in a record or in open court. When the parties appear and affirm their consent on the record before the tribunal, the court may exercise continuing exclusive jurisdiction even if the state is no longer the residence of any party or the child.
Supporting sources
When may a court allow remote witness testimony instead of live testimony in open court?+
Live testimony in open court is the default. Remote transmission is permitted only for good cause in compelling circumstances and with appropriate safeguards. Mere convenience or cost savings does not satisfy the standard.
Supporting sources
Does the requirement of open-court testimony apply equally in civil and criminal cases?+
Yes. Both the civil and criminal rules mandate that witness testimony be taken in open court unless a statute or rule provides otherwise. The policy protects the public's right to observe proceedings and ensures accurate fact-finding.
Supporting sources
329 U.S. 495 (1949)Evidence
…but not counsel’s indorsement on the outside of his brief . . ., nor any deposition or notes of evidence given publicly in open Court. . . . So are all papers prepared by any agent of the party bona fide for the use of his solicitor for the purposes of the action, whether in fact so used or not. . . . Reports by a…