Invalidating a patent that has already been granted

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My old patented invention appears to be patented again

In reference to the patent: US8384613 what one has to do, if this patent is not new and just gives the same idea patented in 1990? I would be greatful on an answer.
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Call for Prior Art US Patent 7,888,125 (Theranos) Duke v. Stanford

CALL FOR PRIOR ART. Can you find better art doe this patent that claims novelty based on a comparison of device output with a known constant? U.S. Patent No. 7,888,125 (Theranos) Filed March 24, ...
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prior art invalidation evidence from MIT class handouts

In reference to the patent: US7382862 Prior art seems to exist in MIT class notes http://web.mit.edu/22.09/ClassHandouts/Charged%20Particle%20Accel/CHAP09.PDF dated 5 March 2002
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Dependent claim from invalid independent claim

I'm following an Inter Partes Review where the petitioner is trying to invalidate every independent claim of a patent based on prior art. If this is successful, some dependent claims will remain. ...
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Is USP 7,824,612 prior art to Theranos US Patent No. 8,697,377 even if abandoned?

Is USP 7,824,612 prior art to Theranos US Patent No. 8,697,377 even if abandoned? If so, does it invalidate? According to Forbes, the new richest lady out there is Elizabeth Holmes at Theranos. Who ...
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Real Time Implementation to prevent Railway Accidents By Eye Blinking Measurement

I am pursuing my Ph.D. On the above Title. I need suggestion to make it as a patent, but I am not able to trace the new idea. As lots of work has been done in this particular image processing concept. ...
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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 ...
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How to get a patent invalidated?

Recently while I was writing up a patent, I discovered that another person has written a patent that is so badly and vaguely worded that it could be used to cover my invention. Whereas I offer clear ...