% Expired Patents = 16.7

Trademarks = 1

Forward Citations = 20

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14 inventors (with patents filed for the assignee):

Steve Cartt (3 out of 14 patents)

Rujun Gong (2 out of 4 patents)

Paul J Marangos (2 out of 15 patents)

4. David Young (1 out of 3 patents)

5. Michael Petrone (1 out of 1 patent)

6. David Tierney (1 out of 1 patent)

7. Laura S Lehman (1 out of 1 patent)

8. Anastassios D Retzios (1 out of 1 patent)

9. Carol B Trapnell (1 out of 1 patent)

10. Ruth Oliver (1 out of 1 patent)

11. Anthony W Fox (1 out of 7 patents)

12. Angel K Markov (1 out of 9 patents)

13. Edward J Cragoe, Jr (1 out of 5 patents)

14. Torsten R Weimann (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 9550822 - ACTH prophylactic treatment of renal disorders (2017-01-24),

2. 8796416 - ACTH prophylactic treatment of renal disorders (2014-08-05),

3. 7608616 - Methods for reducing the risk of an adverse drug interaction in a patient suffering from insomnia (2009-10-27),

4. 6770262 - Nasal administration of agents for the treatment of gastroparesis (2004-08-03),

5. 6312707 - Treatment of sickle cell anemia crises with fructose-1,6-diphosphate as an analgesic drug (2001-11-06),

6. 6251898 - Medical use of fluorenone derivatives for treating and preventing brain and spinal injury (2001-06-26),

Company Overview

Questcor Pharmaceuticals, Inc. is a biopharmaceutical company focused on the development and commercialization of novel central nervous system and inflammatory medication. Their flagship product, Acthar Gel, is approved for the treatment of multiple indications including multiple sclerosis, nephrotic syndrome, and infantile spasms. With a commitment to innovation and patient care, Questcor Pharmaceuticals is dedicated to improving the lives of patients worldwide.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

6 Patents

#79 in Hayward, CA

#10,565 in California

#44,949 in US

Hayward, CA, United States of America

Questcor Pharmaceuticals, Inc.

Forward Citations = 20

14 inventors:

Steve Cartt (3 out of 14 patents)

Rujun Gong (2 out of 4 patents)

Paul J Marangos (2 out of 15 patents)

4. David Young (1 out of 3 patents)

5. Michael Petrone (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Questcor Pharmaceuticals, Inc.. Retrieved from https://idiyas.com/company/questcor-pharmaceuticals

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]