Patent No. EP4485861 (titled "Gatekeeping For Roaming Wifi Callers") was filed by T Mobile USA on Jun 12, 2024. The application was issued on Jan 1, 2025.

The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
Date
Description
Get instant alerts for new documents