ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,489,820, issued on Dec. 2, was assigned to NANO CORP. (Paris).

"Method and system for data stream analysis" was invented by Francois Courvoisier (Paris) and Frederic Le Picard (Paris).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a method for analysing a data stream of data packets received via a communications network, a protocol analysis (DAP) according to the following steps: analysing the first packet (P0) of a batch to check whether the first packet (P0) announces the protocol of the next data packet (P1); analysing the next protocol or protocols Pi+n with nless than=2 by repeating the steps of explicit detection classificat...