% Expired Patents = 50.0

CIPO Patents = 2

EPO Patents = 3

Trademarks = 1

Forward Citations = 95

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7 inventors (with patents filed for the assignee):

Naweed Muhammad (6 out of 24 patents)

Keith R Bley (6 out of 25 patents)

Gene Curtis Jamieson (6 out of 20 patents)

4. Sanjay Chanda (3 out of 6 patents)

5. Arturo Angel (1 out of 28 patents)

6. Larry W Litle (1 out of 6 patents)

7. Allan L Wilcox (1 out of 34 patents)

8. Manoj Maniar (12 patents)

6 patents: Sort by Forward Citations

1. 8273390 - Methods and compositions for administration of TRPV1 agonists (2012-09-25),

2. 8263093 - Methods and compositions for administration of TRPV1 agonists (2012-09-11),

3. 8263059 - Compositions and kits for the removal of irritating compounds from bodily surfaces (2012-09-11),

4. 7943166 - Methods and compositions for administration of TRPV1 agonists (2011-05-17),

5. 7771760 - Oils of capsaicinoids and methods of making and using the same (2010-08-10),

6. 7632519 - TRPV1 agonist compounds, formulations, prodrugs, methods for using the same (2009-12-15),

Company Overview

Neurogesx, Inc. is a biopharmaceutical company focused on developing and commercializing innovative pain management therapies. The company's flagship product is Qutenza, a prescription topical patch used to treat nerve pain associated with postherpetic neuralgia. Neurogesx is dedicated to improving the lives of patients suffering from chronic pain by providing effective and safe treatment options.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

6 Patents

#120 in San Mateo, CA

#10,570 in California

#44,981 in US

San Mateo, CA, United States of America

Neurogesx, Inc.

Forward Citations = 95

7 inventors:

Naweed Muhammad (6 out of 24 patents)

Keith R Bley (6 out of 25 patents)

Gene Curtis Jamieson (6 out of 20 patents)

4. Sanjay Chanda (3 out of 6 patents)

5. Arturo Angel (1 out of 28 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Neurogesx, Inc.. Retrieved from https://idiyas.com/company/neurogesx

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]

2 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]

3 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]