(Business IP and Intangible Asset Blog)   US Patents – Decisions Split Federal Circuit panel finds preamble language not limiting: Marrin v Griffin (GRAY on Claims) (Inventive Step) District Court E D Texas: Inequitable conduct expert could not testify as to materiality absent qualification as a person skilled in the art: Advanced Technology Incubator, Inc v Sharp Corporation et al (Docket Report) District Court N D California: Intracompany patent… [read post]