Can a granted patent be cancelled if prior art was not discovered ?
Let's say I have been selling a new widget for some years and someone
else patents the same widget.
Can the original maker of the widget shout out or would it be too late ?
Search found 1 match
- Wed Jun 28, 2017 1:03 pm
- Forum: Patent Information Matters
- Topic: Patent Prior art
- Replies: 1
- Views: 6917