In December 2003, Sharman shut down Kazaa Lite K++ by serving DMCA notices to all the server owners that hosted the software.
In April 2004 Sharman threatened legal action against Markus Kern for his distribution of the giFT Fasttrack plugin claiming that reverse engineering Sharman's Fasttrack network was illegal.
The CEO of Sharman Networks is Nikki Hemming. Alan Morris is the executive vice president. Phil Morle is the director of technology.
The company is currently involved in legal brawls in Australia and the U.S. over the alleged use of KaZaA to infringe copyrights.
In 2006, Sharman launched a defamation suit against p2pnet.net, a one-man digital media news site specialising in freedom of speech and file sharing issues
Sharman later dropped out, leaving executive Nikki Hemming to keep the suit going. It has not yet been resolved.