Typically, this lifecycle model is a directed graph that depicts the life of the claim and the state changes that are allowed.
通常，这个生命周期模型是一个有向图，描述索赔的状态和允许的状态变化。
3
Dubious patents were granted, helped in part by court rulings that allowed patents to stand on some software and "business methods" that many thought no one could lay claim to.