As for its 28nm process technology, SMIC has been working closely with IBM.
But over the years, SMIC has accumulated its own IPs. Earlier this year, SMIC announced that it has been selected as a 2012-2013 constituent of the Ocean Tomo 300 Patent Index.
The Ocean Tomo 300 Patent Index is the first stock index based on the value of corporate intellectual property. The Patent Index is composed of 300 companies chosen for the value of their patent portfolios relative to book value.
As of January 2013, SMIC claims that it held more than 3,000 patents, with 3,800 patent applications pending.