Questions tagged [duration]
The duration tag has no usage guidance.
1 question with no upvoted or accepted answers
How far do I have to go back in time to only be looking at free state of the art patent documents?
I want to do a free state of the art patent search and I wan to know, how far do I have to go back in time to be 100% sure all shown patent documents are free state of the art? Up until now I was ...