McGuireWoods patent litigators from Tysons Corner recently defended KSD in a make-or-break-the-company case. Shortly after the first depositions and expert reports, we negotiated a settlement agreement. KSD Enterprises, LLC of Clarksburg, W.Va., makes Methane Exhausters, which remove methane from coal mines and landfills. The exhausters can make coal mines safer and landfills cleaner, generate electricity from the methane they’re removing, and even generate revenue from carbon credits. In December 2009, KSD was sued for patent infringement, contributory infringement, and inducement of infringement, as well as breach of contract and conversion of assets.