What do you mean by patent evasion and convention change?

In order to avoid infringing others' patents, enterprises have adopted different technical schemes or practices from those already available in the market. Patent evasion is the evasion of existing patents, which refers to the existing technical schemes and practices in the market. In order to avoid infringement, enterprises adopt new technical schemes or practices different from the existing conventional technical schemes or practices in the market. This is patent evasion.