Will patents pillage open source?

10
Is open-source software just one patent away from annihilation? Many people think so and point to the ominous convergence of two trends:
the widening availability of software patents and the willingness of intellectual-property owners to challenge distributors of open-source software.
If someone can obtain a patent to key features of the Linux kernel, couldn’t that person bring the entire open-source community to its knees by
threatening industrywide legal action? At that point, shouldn’t CIOs flee open source for the safety of Microsoft and Sun Microsystems?

Link: zdnet.com.com