http://www.bloomberg.com/news/2011-06-14/nokia-apple-payment...
http://en.wikipedia.org/wiki/Apple_Inc._litigation
Like I said, some companies are more aggressive than others. Odd that you mentioned Samsung.
http://www.bloomberg.com/news/2011-06-14/nokia-apple-payment...
http://en.wikipedia.org/wiki/Apple_Inc._litigation