% Expired Patents = 33.3

CIPO Patents = 5

Trademarks = 4

Forward Citations = 112

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6 inventors (with patents filed for the assignee):

Roger Crystal (8 out of 10 patents)

Michael Brenner Weiss (7 out of 8 patents)

Fintan Keegan (4 out of 4 patents)

4. Robert Gerard Bell (4 out of 4 patents)

5. Edward T Maggio (1 out of 53 patents)

6. Phil Skolnick (1 out of 5 patents)

7. Roger Crystal (0 patent)

9 patents: Sort by Forward Citations

1. 11471437 - Compositions and methods for treating cannabinoid hyperemesis syndrome with a cannabinoid receptor antagonist (2022-10-18),

2. 11458091 - Compositions and methods for the treatment of opioid overdose (2022-10-04),

3. 10085937 - Nasal drug products and methods of their use (2018-10-02),

4. 9775838 - Nasal drug products and methods of their use (2017-10-03),

5. 9707226 - Nasal drug products and methods of their use (2017-07-18),

6. 9629965 - Nasal drug products and methods of their use (2017-04-25),

7. 9561177 - Nasal drug products and methods of their use (2017-02-07),

8. 9480644 - Nasal drug products and methods of their use (2016-11-01),

9. 9468747 - Nasal drug products and methods of their use (2016-10-18),

Company Overview

Opiant Pharmaceuticals, Inc. is a specialty pharmaceutical company developing medicines to treat addictions and drug overdose. Opiant's leading product, naloxone nasal spray, is used to reverse opioid overdoses. The company is focused on addressing the opioid crisis and other substance use disorders through innovative pharmacotherapies.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

9 Patents

#61 in Santa Monica, CA

#7,745 in California

#32,605 in US

Santa Monica, CA, United States of America

Opiant Pharmaceuticals, Inc.

Forward Citations = 112

6 inventors:

Roger Crystal (8 out of 10 patents)

Michael Brenner Weiss (7 out of 8 patents)

Fintan Keegan (4 out of 4 patents)

4. Robert Gerard Bell (4 out of 4 patents)

5. Edward T Maggio (1 out of 53 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Opiant Pharmaceuticals, Inc.. Retrieved from https://idiyas.com/company/opiant-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]

5 patents (CIPO):

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]