Each Party shall promptly notify the other of any knowledge it acquires of any (a) actual or potential infringement by a Third Party of any Voyager Patent Right, Neurocrine Patent Right or Joint Patent Right that is or would be competitive with a Collaboration Product or (b) submission to a Party or a Regulatory Authority of an application for a product (including an application under Section 351(k) of the PHSA) that references a Product (“ Competitive Infringement ”).