How can a designer decide whether a competitors design is similar enough to their own to take further action

How can a designer decide whether a competitors design is similar enough to their own to take further action Graphic Design Stack is a question and answer site for Graphic Design professionals, students, and enthusiasts.

Answers of How can a designer decide whether a competitors design is similar enough to their own to take further action? A successful graphic designer has the mentality of a problem-solver. Problem-solving is about finding the issues, understanding them