BBC NEWS | Technology | US firm sues Twitter over patentsA Texas-based firm is suing the micro-blogging site Twitter, alleging that its three patents for a similar service are being infringed.
D-A-L Administrator
BBC NEWS | Technology | US firm sues Twitter over patentsA Texas-based firm is suing the micro-blogging site Twitter, alleging that its three patents for a similar service are being infringed.
