Complex sentence: NETGEAR remained a wholly owned subsidiary of Nortel until March 2000 when it began transitioning to third-party ownership, and became fully independent from Nortel as of February 2002.
Split into simpler sentences: NETGEAR remained a wholly owned subsidiary of Nortel until March 2000, when it began transitioning to third-party ownership. It became fully independent from Nortel as of February 2002.