Columbia has a history of developing intellectual property, and actively files patent applications in the U.S. and other countries around the world to further strengthen its intellectual property position. Principal U.S. patents for marketed products and our current development projects are as follows:
Patent
Expiration date
Progesterone delivery
2013*
First Uterine Pass Effect
2018
pH buffering to prevent preterm labor
Progressive hydration for extended release
2019
Treatment of endometriosis/infertility with β-adrenergic agonists
2020
Carbamide peroxide for bacterial vaginosis
2023
Local anesthetic for chronic pelvic pain
2022 pending
Extended release ionic treating agents
2023 pending
Progesterone for the treatment or prevention of spontaneous preterm birth
2028*
