Fresenius Medcl Drug Patent Portfolio

Fresenius Medcl owns 3 orange book drugs protected by 5 US patents Given below is the list of Fresenius Medcl's drug patents along with their expiration dates.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US8591938 Liquid compositions of calcium acetate 23 Feb, 2030
Active
US8592480 Liquid compositions of calcium acetate 20 Jul, 2027
Active
US9089528 Liquid compositions of calcium acetate 20 Jul, 2027
Active
US6875445 Encapsulated calcium acetate caplet and a method for inhibiting gastrointestinal phosphorous absorption 30 Jul, 2021 Expired
US6576665 Encapsulated calcium acetate caplet and a method for inhibiting gastrointestinal phosphorous absorption 03 Apr, 2021 Expired


Given below is the list of recent legal activities going on the following drug patents of Fresenius Medcl.

Activity Date Patent Number
Patent litigations
Expire Patent 04 Sep, 2023 US9089528
Maintenance Fee Reminder Mailed 20 Mar, 2023 US9089528
Payment of Maintenance Fee, 8th Year, Large Entity 12 May, 2021 US8592480 (Litigated)
Payment of Maintenance Fee, 8th Year, Large Entity 12 May, 2021 US8591938 (Litigated)
Payment of Maintenance Fee, 4th Year, Large Entity 17 Jan, 2019 US9089528
Application ready for PDX access by participating foreign offices 31 Aug, 2015 US9089528
Patent Issue Date Used in PTA Calculation 28 Jul, 2015 US9089528
Recordation of Patent Grant Mailed 28 Jul, 2015 US9089528
Email Notification 09 Jul, 2015 US9089528
Issue Notification Mailed 08 Jul, 2015 US9089528
Dispatch to FDC 24 Jun, 2015 US9089528
Application Is Considered Ready for Issue 24 Jun, 2015 US9089528
Issue Fee Payment Received 23 Jun, 2015 US9089528
Issue Fee Payment Verified 23 Jun, 2015 US9089528
Electronic Review 25 Mar, 2015 US9089528


Fresenius Medcl's Drug Patent Litigations

Fresenius Medcl's drugs have been subject to various legal proceedings, including patent litigations. The earliest legal proceeding was initiated on May 31, 2011, against patent number US8591938. The petitioner , challenged the validity of this patent, with Stephen C. Tarallo as the respondent. Click below to track the latest information on how companies are challenging Fresenius Medcl's patents.

Patent Proceeding Filing Date Status Respondent Petitioner
Patent litigations
US8591938 May, 2011 Decision
(22 May, 2013)
Stephen C. Tarallo


Fresenius Medcl's Family Patents

Fresenius Medcl drugs have patent protection in a total of 16 countries. It's US patent count contributes only to 20.8% of its total global patent coverage. 6 countries have all of their patents expired or invalidated which has opened up potential generic launch opportunities in these countries. Click below to unlock the full patent family tree.

Family Patents



Fresenius Medcl Drug List

Given below is the complete list of Fresenius Medcl's drugs and the patents protecting them.


1. Phoslo

Phoslo is protected by 1 patent, which has expired already. Check out its patent list below.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US6576665 Encapsulated calcium acetate caplet and a method for inhibiting gastrointestinal phosphorous absorption 03 Apr, 2021
(3 years ago)
Expired

Discover which of these patents contain the active ingredient(API) of the drug, their family patents, along with litigation and legal activity details of these patents on Phoslo's drug page


2. Phoslo Gelcaps

Phoslo Gelcaps is protected by 2 patents, out of which all have expired. Check out its patent list below.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US6875445 Encapsulated calcium acetate caplet and a method for inhibiting gastrointestinal phosphorous absorption 30 Jul, 2021
(3 years ago)
Expired
US6576665 Encapsulated calcium acetate caplet and a method for inhibiting gastrointestinal phosphorous absorption 03 Apr, 2021
(3 years ago)
Expired

Discover which of these patents contain the active ingredient(API) of the drug, their family patents, along with litigation and legal activity details of these patents on Phoslo Gelcaps's drug page


3. Phoslyra

Phoslyra is protected by 3 patents, out of which none have expired yet. Check out its patent list below.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US8591938 Liquid compositions of calcium acetate 23 Feb, 2030
(5 years from now)
Active
US8592480 Liquid compositions of calcium acetate 20 Jul, 2027
(2 years from now)
Active
US9089528 Liquid compositions of calcium acetate 20 Jul, 2027
(2 years from now)
Active

Discover which of these patents contain the active ingredient(API) of the drug, their family patents, along with litigation and legal activity details of these patents on Phoslyra's drug page


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