OpenOntologyRepository IPR/Discussion Ontolog series promises to be an interesting discussion of IPR issues in the context of ontology development.
The wiki-page offers a variety of resources on IPR issues.
ONTOLOG (a.k.a. “Ontolog Forum”) is an open, international, virtual community of practice devoted to advancing the field of ontology, ontological engineering and semantic devoted to advancing the field of ontology, ontological engineering and semantic technology, and advocating their adoption into mainstream applications and international standards.