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Waterford, Ireland

Eirgen Pharma Ltd.

USPTO Granted Patents = 16

EPO Patents = 6

Trademarks = 5

Forward Citations = 8

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27 inventors (with patents filed for the assignee):

Charles W Bishop (8 out of 67 patents)

P Martin Petkovich (8 out of 33 patents)

Samir P Tabash (7 out of 23 patents)

4. Joel Z Melnick (7 out of 16 patents)

5. Jay A White (6 out of 31 patents)

6. Stephen A Strugnell (4 out of 6 patents)

7. Eric J Messner (3 out of 23 patents)

8. Praful Balavant Deshpande (3 out of 3 patents)

9. Stephen James Quinlan (3 out of 3 patents)

10. Marta Golec (3 out of 3 patents)

11. John Gerard O'Brien (3 out of 3 patents)

12. James Joseph McDonald (3 out of 3 patents)

13. Reem Elamein Elsiddig (3 out of 3 patents)

14. Ken O'Shea (3 out of 3 patents)

15. Keith H Crawford (2 out of 21 patents)

16 patents: Sort by Forward Citations

1. 12478631 - Stabilized modified release vitamin D formulation and method of administering same (2025-11-25),

2. 12441776 - Oxyntomodulin peptide analog formulations (2025-10-14),

3. 12433842 - Pediatric dosage forms, methods of making and using (2025-10-07),

4. 12208106 - Methods of vitamin D treatment (2025-01-28),

5. 12133917 - Pediatric dosage forms, methods of making and using (2024-11-05),

6. 11926583 - Stabilized 1, 25-dihydroxyvitamin D2 and method of making same (2024-03-12),

7. 11752158 - Method of treating vitamin D insufficiency and deficiency (2023-09-12),

8. 11738033 - Adjunctive therapy with 25-hydroxyvitamin D and articles therefor (2023-08-29),

9. 11672809 - Methods and compositions for reducing parathyroid levels (2023-06-13),

10. 11590148 - Use of calcifediol in bariatric surgery patients (2023-02-28),

11. 11452734 - Method of treating and preventing secondary hyperparathyroidism (2022-09-27),

12. 11253528 - Stabilized modified release Vitamin D formulation and method of administering same (2022-02-22),

13. 11173168 - Methods of treating vitamin D insufficiency in chronic kidney disease (2021-11-16),

14. 11154509 - Methods for controlled release oral dosage of a vitamin D compound (2021-10-26),

15. 11007205 - Adjunctive therapy with 25-hydroxyvitamin D and articles therefor (2021-05-18),

Company Overview

Eirgen Pharma Ltd. is a pharmaceutical company based in Waterford, Ireland, specializing in the development and manufacture of high-quality generic and specialty pharmaceuticals. The company focuses on complex formulations and is known for its expertise in the production of oral solid dosage forms, including controlled-release and modified-release products. Eirgen Pharma is committed to innovation and quality, serving both domestic and international markets with a strong emphasis on regulatory compliance and customer satisfaction.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

16 Patents

#4 in Waterford

#137 in Ireland

#37,868 in the World

Waterford, Ireland

Eirgen Pharma Ltd.

Forward Citations = 8

27 inventors:

Charles W Bishop (8 out of 67 patents)

P Martin Petkovich (8 out of 33 patents)

Samir P Tabash (7 out of 23 patents)

4. Joel Z Melnick (7 out of 16 patents)

5. Jay A White (6 out of 31 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Eirgen Pharma Ltd.. Retrieved from https://idiyas.com/company/eirgen-pharma

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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