Radium Ra-223 Dichloride Patent Expiration

Radium Ra-223 Dichloride is Used for managing bone metastases. It was first introduced by Bayer Healthcare Pharmaceuticals Inc in its drug Xofigo on May 15, 2013.


Radium Ra-223 Dichloride Patents

Given below is the list of patents protecting Radium Ra-223 Dichloride, along with the drug name that holds that patent and the company name owning that drug.

Drug Used in Drug Patent Number Drug Patent Title Drug Patent Expiry Drug Owner
Xofigo US6635234 Preparation and use of radium-223 to target calcified tissues for pain palliation, bone cancer therapy, and bone surface conditioning Jan 03, 2020

(Expired)

Bayer Hlthcare
Xofigo US8791127 Mucosal bioadhesive slow release carrier for delivering active principles Mar 23, 2027 Bayer Hlthcare



A patent's expiry date may change depending upon legal activities going on that patent. Critical activities like abandoning of a patent, term extension of a patent or amendment of its claims can increase or decrease the life of a patent hence affecting its expiry date and in turn affecting the generic launch date of that drug. Tracking these ongoing activities on a patent application helps to keep an eye on the latest developments in the patent process of the drug which can give an idea of how early a drug's generic could be available. The next section provides a list of recent legal activities on Radium Ra-223 Dichloride's patents.

Given below is the list recent legal activities going on the following patents of Radium Ra-223 Dichloride.

Activity Date Patent Number
Patent litigations
Payment of Maintenance Fee, 8th Year, Large Entity 16 Dec, 2021 US8791127
Email Notification 22 Sep, 2020 US8791127
Mail O.P. Petition Decision 22 Sep, 2020 US8791127
Mail-Petition Decision - Granted 17 Sep, 2020 US8791127
Petition Decision - Granted 16 Sep, 2020 US8791127
O.P. Petition Decision 14 Sep, 2020 US8791127
Entity Status Set To Undiscounted (Initial Default Setting or Status Change) 16 Jun, 2020 US8791127
Change in Power of Attorney (May Include Associate POA) 15 Jun, 2020 US8791127
Email Notification 15 Jun, 2020 US8791127
Correspondence Address Change 10 Jun, 2020 US8791127