0
votes
0answers
28 views

Is an invention considered “publicly disclosed” merely because it is described on a hosted service?

We are considering using a hosted SaaS collaboration website to discuss and roll out an invention. "We" includes only specific individuals who are all party to an appropriate NDA. So, I already know ...
1
vote
1answer
132 views

How is US5693489 patent different from US4952496?

From what I can tell, the language in these patents are exactly same with the exception of the degree of detail outlined in the claims. Claim 1, 1a, and 1b of US5693489 appear to re-phrasing claims ...
2
votes
2answers
190 views

Can forum/wiki postings invalidate a patent that was granted at a later date?

I have lots of ideas and, not expecting them to be unique or profitable (or knowing how to profit from them), I discuss them online, expecting the information to be helpful to others or expecting ...
4
votes
2answers
1k views

Here is what I see as an invalid patent. US6563040

I demonstrated a solar tracking mount I built at a Renewable Energy Fair, MREA Midwest Renewable Energy Association. in Custer. Wisconsin. Several thousand people saw it on or about June 21st 2001. A ...
5
votes
2answers
492 views

Does prior art need to cover all claims in a patent application in order to invalidate it?

If there are several Claims in a patent application, can prior art for one of them invalidate the entire patent application since all the other claims are dependent claims? Or does that just mean the ...