http://news.bbc.co.uk/1/hi/business/7312117.stm
"Over the past 12 months the statements and predictions of Motorola's management and the board about mobile devices business have too often proven to be wrong," said Mr Icahn in a statement.
"We demanded these materials for the purposes of enabling us to investigate whether and to what extent the board of directors of Motorola failed in their duties as directors in supervising management and setting policy and direction of Motorola."
The company said in January that it may spin off its loss-making handset division, which lost $1.2bn (£600m) last year and saw sales plummet 33%.
Motorola has agreed with analysts that it needs a better range of phones.