I recommend reading the whole interview, not just the patent part. They cover a lot of topics and it's very good stuff.
http://www.muktware.com/blogs/1721 (an older interview in full)
This one:
http://www.muktware.com/news/2855
http://www.muktware.com/news/2857
http://www.muktware.com/news/2859
http://www.muktware.com/news/2860
http://www.muktware.com/news/2861
http://www.muktware.com/news/2862
http://www.muktware.com/news/2863
http://www.muktware.com/news/2864
http://www.muktware.com/news/2865
Also, interesting portmanteau domain name - muktware means free (soft)ware in Indian languages.