ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,719,572, issued on Aug. 25, was assigned to Verizon Patent and Licensing Inc. (Basking Ridge, N.J.).

"Topology-aware hierarchical machine learning for service-critical fiber access anomalies" was invented by Arman Ghasemi (Weatogue, Conn.), Milad Mostavi (San Antonio) and Yetik Serbest (Austin, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for detecting an anomaly in a passive optical network (PON) includes obtaining data for a customer associated with a plurality of levels in a topology. The PON includes an optical line terminal (OLT) optically connected to a plurality of optical network terminals (ONTs) via optical fibers. The pluralit...