Re:What about overturning patents (Score 1)

In addition to using lawsuits to over turn patents, opposing attorney's can also initiate a reexam process. Of course, this only results in attorney's fees of a couple thousand dollars. So most lawyers don't go this route since litigating a patent claim can easily generate millions of dollars of revenue. Here's a site which talks about the process: Reexamination - How does a bad patent get invalidated?