Twitter's legal matters
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Mega-hot micro-blogging service Twitter tried and failed yet again to trademark the term "tweet," thwarted by a third-party developer that uses its site and beat it to the punch. The U.S.
Twitter gets shut out once more, U.S. trademark office won't grant Jack Dorsey trademark for 'tweet'
Twitter & Copyright
Twitter unmasks anonymous British user in landmark legal battle
Twitter's actions have prompted concerns over free speech on the internet. Photograph: Jonathan Hordle / Rex Features Twitter has been forced to hand over the personal details of a British user in a libel battle that could have huge implications for free speech on the web.
The Truth About That ‘Landmark’ Twitter Case
This weekend The Telegraph reported that Twitter had revealed the name, email address and telephone number of Ahmed Khan, a UK council whistleblower accused of libelling his local authority using a number of anonymous twitter accounts and blog Mr Monkey .
Twitter faces legal action by footballer over privacy
Twitter has been sued by a footballer in a privacy row. Photograph: Chris Batson/Alamy A footballer has launched legal action against Twitter after a number of the microblogging site's users purported to reveal the name of the player who allegedly had an affair with model Imogen Thomas .