The tag has no wiki summary.

learn more… | top users | synonyms

0
votes
2answers
52 views

Where can I see in which country a patent is valid?

I am looking through Google Patents and reading the paperwork of various patents. In what section can I see under which country the patent is valid?
0
votes
1answer
40 views

Challenging a granted patent?

I found a patent which was granted but the product which is claiming the patent is different from the contents of the patent. How does one challenge the validity of the patent?
2
votes
1answer
80 views

Does clarity of a patent affect its value?

There is much talk about how software patents are deliberately written in an obfuscated manner, as a ploy that contravenes the purpose of the system. It seems to me that one could argue the ...
1
vote
1answer
39 views

Is US5090167A a valid patent?

Hi I am wondering if this patent- US5090167A is still valid?
2
votes
3answers
414 views

Is Imported Product Made in Foreign Country Prior art to US Method Patent?

I have a question relating to whether an imported product made in a foreign country by a patented method, before the method was patented, would be prior art to the method patent. That's a mouthful, ...