This semiconductor NPE just lost most of its portfolio to IPRs

IAM covered Covington’s victories for Cirrus Logic and GlobalFoundries in a series of inter partes review proceedings before the Patent Trial and Appeal Board that invalidated claims across six Greenthread patents relating to graded dopant regions in semiconductor devices. The article details how the rulings undermine Greenthread’s broader litigation strategy and could affect its remaining district court cases. The article includes commentary from Covington partners Scott Weidenfeller and Anupam Sharma, who led the team representing Cirrus Logic and GlobalFoundries.