If a Party becomes aware of any certification filed pursuant to 21 U.S.C. § 355(b)(2)(A) or 355(j)(2)(A)(vii)(IV) or its successor provisions or any similar provision in a country other than the US claiming that any vTv Patent Rights, Joint Patent Rights, or Huadong Patent Rights Covering a Product in the Field are invalid or otherwise unenforceable, or that infringement will not arise from the manufacture, use, import or sale of a product by a Third Party (a “ Paragraph IV Claim ”), such Party shall promptly notify the other Party in writing within [***] Business Days after its receipt thereof.