The phrase "a sealed document" is correct and usable in written English.
It can be used when referring to a document that has been securely closed or locked to prevent unauthorized access or tampering.
Example: "The lawyer presented a sealed document to the court, which contained sensitive information related to the case."
Alternatives: "a confidential document" or "a locked document".
And then the answer to the mystery was in a sealed document in the back.
Only five days later -- timing that almost certainly compounded his embarrassment -- a sealed document popped up on the court's Web site that included the woman's name.
Opponents quizzed Mr. Ryan about his divorce from actress Jeri Ryan, who has acted in the television series "Star Trek Voyager" and "Boston Public," and urged him to release a sealed document related to custody of their son.
The Audiencia gave Antequera a sealed document to open if he found Reyes guilty.
The subpoena was justified by an unsubstantiated suspicion that @JusticeTsimhoni had illegally obtained a CPS report from a sealed document.
Fishman asked Cohn to keep Conyers out of prison and urged him to consider factors filed in a sealed document.
The docket also shows that an unidentified "sealed document" was filed with the court in July in connection with Mr. Lenowitz's case.
Mr. Mackey's online pseudonym, Rahodeb, surfaced in a sealed court document that was filed last month by the Federal Trade Commission but only became public Wednesday evening.
The testimony is contained within within a sealed legal document related to a request for a search warrant and many will consider it too unlikely to be credible.
It is not clear who will be the primary subjects of the criminal inquiry by Joseph E. diGenova, a former United States Attorney for the District of Columbia who was appointed by a Federal appeals court panel in a sealed court document that has not been made public.
The discussions were reported by The Wall Street Journal as being part of a sealed court document its reporters had reviewed from a lawsuit by bikini-photo-finding app developer Six4Three against Facebook alleging anti-competitive practices in how it changed the platform in 2014 to restrict access to friends' data through the platform.
