Eirgen Drug Patent Portfolio

Eirgen owns 1 orange book drug protected by 17 US patents Given below is the list of Eirgen's drug patents along with their expiration dates.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US10300078 Stabilized modified release vitamin D formulation and method of administering same 14 Mar, 2034
Active
US10357502 Stabilized modified release vitamin D formulation and method of administering same 14 Mar, 2034
Active
US11253528 Stabilized modified release Vitamin D formulation and method of administering same 14 Mar, 2034
Active
US9861644 Stabilized modified release vitamin D formulation and method of administering same 14 Mar, 2034
Active
US11801253 Method of safely and effectively treating and preventing secondary hyperparathyroidism in chronic kidney disease 07 Sep, 2030
Active
US8426391 Treating vitamin D insufficiency and deficiency with 25-hydroxyvitamin D2 and 25-hydroxyvitamin D3 27 Aug, 2028
Active
US8361488 Methods and compositions for controlled release oral dosage of a vitamin D compound 19 Jul, 2028
Active
US11154509 Methods for controlled release oral dosage of a vitamin D compound 25 Apr, 2028
Active
US8207149 Method for treating secondary hyperparathyroidism in CKD 25 Apr, 2028
Active
US8778373 Methods for controlled release oral dosage of a vitamin D compound 25 Apr, 2028
Active
US9408858 Method for treating secondary hyperparathyroidism in CKD 25 Apr, 2028
Active
US9498486 Method for controlled release oral dosage of a vitamin D compound 25 Apr, 2028
Active
US9925147 Method for treating secondary hyperparathyroidism in CKD 25 Apr, 2028
Active
US10213442 Treating vitamin D insufficiency and deficiency with 25-hydroxyvitamin D2 and 25-hydroxyvitamin D3 02 Feb, 2027
Active
US8906410 Oral dosage form of 25-hydroxyvitamin D 02 Feb, 2027
Active
US9943530 Treating vitamin D insufficiency and deficiency with 25-hydroxyvitamin D2 and 25-hydroxyvitamin D3 02 Feb, 2027
Active
US6582727 Film forming compositions comprising modified starches and iota-carrageenan and methods for manufacturing soft capsules using same 22 Aug, 2020 Expired


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

Activity Date Patent Number
Patent litigations
Payment of Maintenance Fee, 8th Year, Large Entity 22 May, 2024 US9498486
Payment of Maintenance Fee, 8th Year, Large Entity 09 Feb, 2024 US9408858
Payment of Maintenance Fee, 12th Year, Large Entity 26 Dec, 2023 US8207149
Mail Patent eGrant Notification 31 Oct, 2023 US11801253
Recordation of Patent Grant Mailed 31 Oct, 2023 US11801253
Patent Issue Date Used in PTA Calculation 31 Oct, 2023 US11801253
Patent eGrant Notification 31 Oct, 2023 US11801253
Recordation of Patent eGrant 31 Oct, 2023 US11801253
Email Notification 31 Oct, 2023 US11801253
Email Notification 12 Oct, 2023 US11801253
Issue Notification Mailed 11 Oct, 2023 US11801253
Application Is Considered Ready for Issue 02 Oct, 2023 US11801253
Dispatch to FDC 02 Oct, 2023 US11801253
Issue Fee Payment Received 27 Sep, 2023 US11801253
Issue Fee Payment Verified 27 Sep, 2023 US11801253


Eirgen Drug Patents' Oppositions Filed in EPO

Eirgen drug patents have faced multiple oppositions in the European Patent Office. The earliest opposition was filed on Apr 21, 2021, by Dsm Nutritional Products Ag. This opposition was filed on patent number EP14717038A. Click below to reveal the latest opposition data.


Application Filing Date Opposition Party Legal Status
Patent litigations
EP16164563A Aug, 2022 DSM Nutritional Products Ltd Granted and Under Opposition
EP19217651A Feb, 2022 DSM Nutritional Products AG Granted and Under Opposition
EP18155036A May, 2021 DSM Nutritional Products AG Granted and Under Opposition
EP14717038A Apr, 2021 DSM Nutritional Products AG Granted and Under Opposition


Eirgen's Family Patents

Eirgen drugs have patent protection in a total of 35 countries. It's US patent count contributes only to 17.5% of its total global patent coverage. 1 country has all of their patents expired or invalidated which has opened up potential generic launch opportunities in this particular country. Click below to unlock the full patent family tree.

Family Patents



Eirgen Drug List

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


1. Rayaldee

Rayaldee is protected by 17 patents, out of which 1 has expired. Check out its patent list below.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US10300078 Stabilized modified release vitamin D formulation and method of administering same 14 Mar, 2034
(9 years from now)
Active
US10357502 Stabilized modified release vitamin D formulation and method of administering same 14 Mar, 2034
(9 years from now)
Active
US11253528 Stabilized modified release Vitamin D formulation and method of administering same 14 Mar, 2034
(9 years from now)
Active
US9861644 Stabilized modified release vitamin D formulation and method of administering same 14 Mar, 2034
(9 years from now)
Active
US11801253 Method of safely and effectively treating and preventing secondary hyperparathyroidism in chronic kidney disease 07 Sep, 2030
(5 years from now)
Active
US8426391 Treating vitamin D insufficiency and deficiency with 25-hydroxyvitamin D2 and 25-hydroxyvitamin D3 27 Aug, 2028
(3 years from now)
Active
US8361488 Methods and compositions for controlled release oral dosage of a vitamin D compound 19 Jul, 2028
(3 years from now)
Active
US11154509 Methods for controlled release oral dosage of a vitamin D compound 25 Apr, 2028
(3 years from now)
Active
US8207149 Method for treating secondary hyperparathyroidism in CKD 25 Apr, 2028
(3 years from now)
Active
US8778373 Methods for controlled release oral dosage of a vitamin D compound 25 Apr, 2028
(3 years from now)
Active
US9408858 Method for treating secondary hyperparathyroidism in CKD 25 Apr, 2028
(3 years from now)
Active
US9498486 Method for controlled release oral dosage of a vitamin D compound 25 Apr, 2028
(3 years from now)
Active
US9925147 Method for treating secondary hyperparathyroidism in CKD 25 Apr, 2028
(3 years from now)
Active
US10213442 Treating vitamin D insufficiency and deficiency with 25-hydroxyvitamin D2 and 25-hydroxyvitamin D3 02 Feb, 2027
(2 years from now)
Active
US8906410 Oral dosage form of 25-hydroxyvitamin D 02 Feb, 2027
(2 years from now)
Active
US9943530 Treating vitamin D insufficiency and deficiency with 25-hydroxyvitamin D2 and 25-hydroxyvitamin D3 02 Feb, 2027
(2 years from now)
Active
US6582727 Film forming compositions comprising modified starches and iota-carrageenan and methods for manufacturing soft capsules using same 22 Aug, 2020
(4 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 Rayaldee's drug page


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