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Checklist: what to check before filing the defense brief under Art. 415-bis c.p.p.
2 min read · Editorial oversight: Avv. Federico Papa
This checklist should be used during the final review phase following service of the notice of conclusion of preliminary investigations. These checks ensure that the brief is effective and that defense rights are properly exercised within statutory deadlines.
In brief
Reviewing a defense brief under Art. 415-bis c.p.p. requires compliance with the twenty-day deadline following service of the notice of conclusion of preliminary investigations. Late filing relieves the Public Prosecutor of the obligation to conduct a requested interrogation. The brief must be submitted exclusively via the Criminal Filing Portal (PDP) with a valid digital signature, under pain of inadmissibility or ineffectiveness; submission via certified email (PEC) is not permitted. The effectiveness of the defense relies on a comprehensive review of the case file, the precise specification of further investigative acts requested, and the correct indication of the R.G.N.R. case number and client details to support a motion for dismissal.
- 1.
Check compliance with the twenty-day deadline
Related practical guide: How to draft a defense brief under Art. 415-bis c.p.p. with AIEnsure that no more than twenty days have passed since service of the notice of conclusion of preliminary investigations. Late filing relieves the Prosecutor of the obligation to conduct any requested interrogation, while any other defense requests remain subject to the Prosecutor's evaluation of relevance.
- 2.
Confirm full review of the case file
Verify that all documents filed by the Prosecutor have been reviewed prior to drafting submissions or requests. Submitting applications or requesting an interrogation without full knowledge of the case file risks making prejudicial statements.
- 3.
Validate the specificity of requests for further investigative acts
Ensure that requests for further investigative acts are not generic, but specify precisely the actions requested. Omitted or vague indications will result in the rejection of the request for lack of specificity.
- 4.
Check consistency with the provisional charge
Check that defense arguments respond precisely to the charge outlined in the notice under Art. 415-bis c.p.p. A defense not focused on the contested facts reduces the likelihood of convincing the Prosecutor to request dismissal.
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5.Ascertain the correct filing channel
Ensure that filing is performed via the Criminal Filing Portal (PDP). The use of non-permitted channels, such as standard certified email (PEC), results in the inadmissibility or ineffectiveness of the filing.
- 6.
Review heading and identification data
Check that the prosecuting authority, R.G.N.R. case number, client details, and defense counsel details are correctly indicated. Errors in these elements may prevent the proper association of the brief with the case file.
- 7.
Check for the digital signature
Ensure that the file has been properly signed with a valid digital signature by defense counsel prior to uploading it to the portal. The absence of a valid signature renders the brief inadmissible.
- 8.
Verify the clarity of conclusions
Ensure that the conclusions clearly state whether the defense is seeking a motion for dismissal, the execution of further investigative acts, or the interrogation of the suspect. Ambiguous drafting risks undermining the defense requests.

Frequently asked questions
What happens if I file the brief on the twenty-first day?
The right to demand an interrogation is forfeited: the Public Prosecutor is no longer obliged to conduct it. Regarding requests for further investigative acts, the Prosecutor is not strictly bound to perform them, but retains discretion to evaluate their relevance.
Can I send the brief via PEC to the magistrate?
No. The use of certified email (PEC) instead of the Criminal Filing Portal (PDP) renders the filing inadmissible or ineffective under current rules governing electronic criminal procedure.
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