% Expired Patents = 100.0

EPO Patents = 1

Forward Citations = 36

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5 inventors (with patents filed for the assignee):

David M Gravett (7 out of 26 patents)

George Y Daniloff (7 out of 18 patents)

Pingren He (6 out of 7 patents)

4. Robert C Spiro (2 out of 25 patents)

5. Patrick J Hillas (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 9980977 - Modified hyaluronic acid polymer compositions and related methods (2018-05-29),

2. 9492383 - Rapid in-situ gel forming compositions prepared via reaction of vinyl sulfone derivatized hyaluronic acid with thiol derivatized polyethylene glycol at alkaline pH (2016-11-15),

3. 9446136 - Modified hyaluronic acid polymer compositions and related methods (2016-09-20),

4. 9192678 - Modified hyaluronic acid polymer compositions and related methods (2015-11-24),

5. 9011894 - Sterile hyaluronic acid polymer compositions and related methods (2015-04-21),

6. 8790702 - Modified hyaluronic acid polymer compositions and related methods (2014-07-29),

7. 8784893 - Polymer formulations for delivery of bioactive agents (2014-07-22),

Company Overview

Carbylan Therapeutics, Inc. is a biopharmaceutical company focused on developing and commercializing novel therapeutics to address unmet medical needs in the field of rheumatology and chronic pain. Our lead product candidate is designed to provide long-lasting pain relief for patients suffering from osteoarthritis. We are committed to improving patient outcomes and quality of life through innovative drug therapies.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

7 Patents

#45 in Newark, CA

#9,508 in California

#39,929 in US

Newark, CA, United States of America

Carbylan Therapeutics, Inc.

Forward Citations = 36

5 inventors:

David M Gravett (7 out of 26 patents)

George Y Daniloff (7 out of 18 patents)

Pingren He (6 out of 7 patents)

4. Robert C Spiro (2 out of 25 patents)

5. Patrick J Hillas (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Carbylan Therapeutics, Inc.. Retrieved from https://idiyas.com/company/carbylan-therapeutics

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 (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]