The US changed over to the rest-of-world patent system, where patent applications are public for a period before grant, precisely to get input from the entire technical community.

The granted patent (8270465) would be hard to overturn at this point.

As for the patent application (2012/0082008), one can file comments against a patent application pointing out prior art and suggesting that something being claimed is in fact obvious to those skilled in the art. For prior art, one points out existing patents and published articles. Simple assertions are not sufficient. The Patent Office will then consider all prior art received when deciding to grant or to deny a patent.

Joe Gwinn

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