A Trademark gray area??
In Trademark Ownership - updated on 11/11/2009
(Sorry, friends...due to my inexperience with such internet forums, I previously posted this under another topic)
I will make up a fictious analogy.
Company A begins producing a banjo in the 1970s. ?The banjo has marker dots on the fretboard in a unique pattern that is different than other banjos. ?The pattern of marker dots is very useful in helping to play the banjo...that is why the company puts them there. ? No utility patents or design patents related to these marke...