Nokia sued Apple for patent infringement in October 2009, only to have Apple return the favor in December 2009. Nokia sued Apple again in the earlier stages of 2010, this time focusing on the iPad. At this rate, it looks like this battle will soon transform into an outright war.
The US trade body ITC will be deciding on some of the claims between the two companies next year, while the key court hearings are scheduled for 2012. This new attack in Britain also likely won't be resolved anytime soon.