That is correct, it does not protect functional portions, but it's fairly nuanced. https://www.wintechblog.com/2016/04/functional-features-in-design-patents/ h

That is correct, it does not protect functional portions, but it's fairly nuanced. https://www.wintechblog.com/2016/04/functional-features-in-design-patents/ https://www.wintechblog.com/2016/04/functional-features-in-d... is some recent caselaw on this