Sources: FOSS Patents , 
quote: Companies who own non-FRAND patents are entitled to refuse to license it to their competitors, and are entitled to enforce said patents in a court of law.
quote: If prior art is demonstrated and proven, then yes, Apple will have to take the cost...
quote: However, it may be that the court cases do not prove that there was prior art, in which case no Android phone will be able to use slide-to-unlock. Which could potentially cost Android and Android manufacturers a lot of money.
quote: Motorola, on the other hand, is NOT entitled to refuse to license Apple a FRAND patent - this is far more severe moral and legal failing.
quote: I don't think this was in question in the previous statement.
quote: No they (Apple) abused (and continue to abuse) the rules in place using invalid patents that have prior art to prevent competitors from selling a competing product