Essa Pharma, Inc.

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USPTO Granted Patents = 7

Trademarks = 3

Forward Citations = 37

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6 inventors (with patents filed for the assignee):

Han-Jie Zhou (7 out of 37 patents)

Peter Virsik (7 out of 21 patents)

Raymond John Andersen (3 out of 43 patents)

4. Marianne Dorothy Sadar (3 out of 18 patents)

5. Kunzhong Jian (2 out of 8 patents)

6. Daniel Andrew Golec (2 out of 2 patents)

7 patents: Sort by Forward Citations

1. 12109179 - Pharmaceutical compositions and combinations comprising inhibitors of the androgen receptor and uses thereof (2024-10-08),

2. 11814357 - Solid forms of an N-terminal domain androgen receptor inhibitor and uses thereof (2023-11-14),

3. 11518747 - Solid forms of an N-terminal domain androgen receptor inhibitor and uses thereof (2022-12-06),

4. 11485713 - Androgen receptor modulators and methods for their use (2022-11-01),

5. 11358938 - Solid forms of an N-terminal domain androgen receptor inhibitor and uses thereof (2022-06-14),

6. 11242324 - Solid forms of an n-terminal domain androgen receptor inhibitor and uses thereof (2022-02-08),

7. 11059795 - Androgen receptor modulators and methods for their use (2021-07-13),

Company Overview

Essa Pharma, Inc. is a clinical-stage pharmaceutical company focused on the development of novel therapies for the treatment of prostate cancer. The company's lead product candidate, EPI-506, is currently in clinical trials for the treatment of metastatic castration-resistant prostate cancer. Essa Pharma is dedicated to advancing drug development and improving outcomes for patients with prostate cancer.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 3 2026

7 Patents

#134 in Vancouver

#2,105 in Canada

Vancouver, Canada

Essa Pharma, Inc.

Forward Citations = 37

6 inventors:

Han-Jie Zhou (7 out of 37 patents)

Peter Virsik (7 out of 21 patents)

Raymond John Andersen (3 out of 43 patents)

4. Marianne Dorothy Sadar (3 out of 18 patents)

5. Kunzhong Jian (2 out of 8 patents)

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