The document discusses patent filings in China from 2000 to 2009. It notes that there was a massive surge in patent filings during this period, with 976,686 patent applications and 581,992 patents granted in 2009 alone. The vast majority (89.9%) of applicants were domestic rather than foreign. It also notes that patents are increasingly being litigated in Chinese courts, with over 4,500 cases in 2008, and that 90-95% of these cases involve domestic rather than multinational disputes.