“Case Accepted By The USCIS Lockbox”on your I-600 · Non-Hague orphan adoption petition


Your I-600 passed the intake check: payment, if any, was processed and the petition was accepted. Next it gets a receipt number and goes to the team that handles adoption cases. Watch your mail for the I-797C receipt.
In general, on any form:
The USCIS Lockbox, the facility that receives mailed filings and payments, accepted your package. Your fee was processed and the case is being entered into the system. A receipt notice usually follows. This is the very first intake step.
Your I-600 passed the intake check: payment, if any, was processed and the petition was accepted. Next it gets a receipt number and goes to the team that handles adoption cases. Watch your mail for the I-797C receipt.
It is the facility that opens mailed filings, takes payments and sends cases into the system.
No. It only means your package passed the first intake check.
Usually within a few weeks after the Lockbox accepts the case.
The typical range published by USCIS is 28 to 34 months. It depends on the office and your case; it is not an exact date.
AI-assisted explanation based on the official USCIS status, reviewed by CaseAlerta. Not legal advice. Times are typical ranges, never an exact date.