https://investor.ironwoodpharma.com/press-releases/press-release-details/2020/Ironwood-and-Allergan-Receive-Notices-of-Allowance-for-Patent-Applications-Covering-72-mcg-Dose-of-LINZESS-linaclotide/default.aspx
https://investor.ironwoodpharma.com/press-releases/press-release-details/2020/Ironwood-and-Allergan-Receive-Notices-of-Allowance-for-Patent-Applications-Covering-72-mcg-Dose-of-LINZESS-linaclotide/default.aspx