sunppop I am not anttorney however my father was and my brother is one
My assessment is follows: How many guilty parties have you ever seen come out and say ok you got me I did it ? I would say that happens 1 in a million.
Vivitar will fight and claw until they are dead to rights and then all of a sudden when found to have infringed they will want to settle .
No company is going to say "hey over here we did it how much can we pay you " ?