WASHINGTON--A rift has arisen among larger technology companies and smaller venture capital firms over whether dramatic changes to U.S. patent law are necessary.
http://news.com.com/Tech+companies%2C+investors+clash+over+patent+law/2100-1028_3-6171866.html?tag=nefd.top

You can clearly see the difference in opinion between players primarily associated with invention e.g. VCs, vs. the those who's business is almost pure innovation, e.g. Cisco.