% Expired Patents = 33.3

CIPO Patents = 1

EPO Patents = 2

Trademarks = 1

Forward Citations = 39

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8 inventors (with patents filed for the assignee):

Daniel Lawton (7 out of 7 patents)

Michael Neary (7 out of 7 patents)

James Nieman (6 out of 15 patents)

4. Steven Paul Tanis (5 out of 42 patents)

5. Garry Robert Smith (4 out of 33 patents)

6. Mark Allan Wolf (2 out of 10 patents)

7. Keith Douglas Barnes (2 out of 5 patents)

8. Edward M Johnson, Ii (1 out of 1 patent)

9 patents: Sort by Forward Citations

1. 10961187 - Substituted N-acetyl-L-cysteine derivatives and related compounds (2021-03-30),

2. 10358414 - Substituted N-acetyl-L-cysteine derivatives and related compounds (2019-07-23),

3. 10112897 - Substituted N-acetyl-L-cysteine derivatives and related compounds (2018-10-30),

4. 9630937 - Substituted N-acetyl-L-cysteine derivatives and related compounds (2017-04-25),

5. 9457014 - Cysteine prodrugs (2016-10-04),

6. 9193681 - Propionic acids, propionic acid esters, and related compounds (2015-11-24),

7. 9012674 - Ethyl (2R)-2-acetamido-3-(4-methylbenzoylsulfanyl)propanoate and uses thereof (2015-04-21),

8. 8815905 - Propionic acids, propionic acid esters, and related compounds (2014-08-26),

9. 8624052 - S-t-butyl protected cysteine di-peptide analogs and related compounds (2014-01-07),

Company Overview

Promentis Pharmaceuticals, Inc. is a clinical-stage biopharmaceutical company focused on developing innovative therapies for neuropsychiatric and neurologic disorders. Their pipeline includes novel small molecule drugs targeting specific brain receptors to treat conditions such as schizophrenia, Tourette syndrome, and substance use disorders.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

9 Patents

#105 in Milwaukee, WI

#719 in Wisconsin

#32,588 in US

Milwaukee, WI, United States of America

Promentis Pharmaceuticals, Inc.

Forward Citations = 39

8 inventors:

Daniel Lawton (7 out of 7 patents)

Michael Neary (7 out of 7 patents)

James Nieman (6 out of 15 patents)

4. Steven Paul Tanis (5 out of 42 patents)

5. Garry Robert Smith (4 out of 33 patents)

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

1 patent (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]

2 patents (EPO):

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]