They just keep coming and coming. The number of intellectual property complaints filed at the U.S. International Trade Commission in the first six months of 2011 is well above the pace set in 2010 — which itself smashed previous caseload records.

Between Jan. 1 and June 30, companies brought 42 cases alleging IP infringement under Section 337 of the Tariff Act of 1930 at the ITC. If the deluge continues, it will be a 50 percent increase over last year.