% Expired Patents = 16.7

Forward Citations = 89

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14 inventors (with patents filed for the assignee):

Edward Roberts (3 out of 13 patents)

Brigitte Kieffer (2 out of 2 patents)

Benjamin Pelcman (1 out of 27 patents)

4. Daniel Delorme (1 out of 38 patents)

5. Claes Wahlestedt (1 out of 14 patents)

6. Zhongyong Wei (1 out of 11 patents)

7. Niklas Plobeck (1 out of 3 patents)

8. Anthony F Ritsky (1 out of 1 patent)

9. John E Cameron (1 out of 1 patent)

10. Russell L Soobrian (1 out of 1 patent)

11. Henryk Klakurka (1 out of 1 patent)

12. Robert K Watson (1 out of 1 patent)

13. Christopher G Szumilas (1 out of 1 patent)

14. Tjalke K Schuurmans (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 7297771 - Polypeptides having opioid receptor activity (2007-11-20),

2. 6562587 - Polypeptides having opioid receptor activity, nucleic acids coding therefor and uses thereof (2003-05-13),

3. 6187792 - Compounds with analgesic effect (2001-02-13),

4. 6153626 - Compounds with analgesic effect (2000-11-28),

5. 6130222 - Compounds with analgesic effect (2000-10-10),

6. 5474541 - Valved nozzle for re-usable reservoir of a flowable product (1995-12-12),

Company Overview

Astra Pharma Inc. is a leading pharmaceutical company dedicated to improving the health and well-being of individuals around the world. We focus on developing innovative and high-quality medicines to address a wide range of health issues. With a commitment to excellence and a focus on research and development, we are committed to making a positive impact on global healthcare.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

6 Patents

#278 in

#2,420 in Canada

CA

Astra Pharma Inc.

Forward Citations = 89

14 inventors:

Edward Roberts (3 out of 13 patents)

Brigitte Kieffer (2 out of 2 patents)

Benjamin Pelcman (1 out of 27 patents)

4. Daniel Delorme (1 out of 38 patents)

5. Claes Wahlestedt (1 out of 14 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Astra Pharma Inc.. Retrieved from https://idiyas.com/company/astra-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]