Invalidating a patent that has already been granted
15
votes
2answers
1k views
Can we not invalidate older patents? - i.e. World Inc vs Blizzard Entertainment
I saw down below where someone was asking how long we have to invalidate or send in a submission of a patent up to 6 months after it is published. Does that mean that 3rd parties can not go back and ...
5
votes
2answers
354 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 ...
3
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 ...
3
votes
2answers
781 views
How does a (possible) dispute over inventors affect a patent?
The situation: After I left a particular company, they applied for a patent
on something I had worked on, and contacted me to sign the application.
Although I consider myself to be the primary and ...
2
votes
2answers
173 views
How to tell if the 6,754,400 patent has been deemed invalid?
I am curious if the US Patent Office has ruled on whether or not this patent is even valid. There was a patent dispute supposedly filed by the International Virtual Tour Photography Association ...
2
votes
1answer
59 views
Is this prior art for “Reiki ornament” (US D663234 S1)?
I came across this design patent in Google: "Reiki ornament" (US D663234 S1)
And I realized it describes a design that is very similar to this artifact, which is on display at a Tibetan museum.
Can ...
1
vote
2answers
118 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 ...
1
vote
1answer
110 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 ...
1
vote
1answer
60 views
If a medicine is listed in an ancient book, can it still be patented?
I have seen many patents related to use of herbs in medicines, like some homemade remedy for cough syrup etc. A large number of such remedies are already listed in many ancient medical books, one ...
0
votes
1answer
41 views
Patent Invalidation in part or totally
If a Patent claims more than one "Item", say Item A, Item B, Item C etc...
and if it can be proved that say Item A, has been offered and sold to a commercial entity,
can the Patent be invalidated in ...
