% Expired Patents = 40.0

Trademarks = 3

Forward Citations = 197

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4 inventors (with patents filed for the assignee):

Robert A Ashley (9 out of 17 patents)

Christian Schwabe (2 out of 7 patents)

Joseph J Hlavka (2 out of 53 patents)

4. Joseph J Hlavaka (1 out of 1 patent)

10 patents: Sort by Forward Citations

1. 7232572 - Methods of treating rosacea (2007-06-19),

2. 7211267 - Methods of treating acne (2007-05-01),

3. 7014858 - Use methods of treating acne and telangiectasia (2006-03-21),

4. 7008631 - Methods of simultaneously treating ocular rosacea and acne rosacea (2006-03-07),

5. 6946453 - 4-dedimethylaminotracycline derivatives (2005-09-20),

6. 6894036 - 4-dedimethylaminotetracycline derivatives (2005-05-17),

7. 6638922 - 4-dedimethylaminotetracycline derivatives (2003-10-28),

8. 5827503 - Method and composition for treating periodontitis (1998-10-27),

9. 5792446 - Delivery system for administering dentin-hypersensitivity-ameliorating (1998-08-11),

10. 5753711 - Method for treatment of H. pylori (1998-05-19),

Company Overview

Collagenex Pharmaceuticals, Incorporated is a biopharmaceutical company based in Newtown, Pennsylvania, focused on developing innovative therapies for various medical conditions. The company specializes in the research and development of treatments that leverage collagen-based technologies, aiming to address unmet medical needs in areas such as dermatology and rheumatology. With a commitment to advancing healthcare solutions, Collagenex is dedicated to improving patient outcomes through its specialized product offerings and research initiatives.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

10 Patents

#10 in Newtown, PA

#1,083 in Pennsylvania

#29,839 in US

#55,986 in the World

Newtown, PA, United States of America

Collagenex Pharmaceuticals, Incorporated

Forward Citations = 197

4 inventors:

Robert A Ashley (9 out of 17 patents)

Christian Schwabe (2 out of 7 patents)

Joseph J Hlavka (2 out of 53 patents)

4. Joseph J Hlavaka (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Collagenex Pharmaceuticals, Incorporated. Retrieved from https://idiyas.com/company/collagenex-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]