% Expired Patents = 100.0

CIPO Patents = 1

EPO Patents = 5

Forward Citations = 2

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4 inventors (with patents filed for the assignee):

Ragina Naidu (7 out of 9 patents)

Samuel Siang Kiang Foo (2 out of 2 patents)

BaoYu Xue (1 out of 1 patent)

4. Bo Fan (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 8592588 - Process to prepare camptothecin derivatives (2013-11-26),

2. 8299279 - Semi-synthetic process for the preparation of taxane derivatives (2012-10-30),

3. 8293930 - One pot synthesis of taxane derivatives and their conversion to paclitaxel and docetaxel (2012-10-23),

4. 7906661 - Semi-synthetic conversion of paclitaxel to docetaxel (2011-03-15),

5. 7893283 - Semi-synthesis of taxane intermediates and their conversion to paclitaxel and docetaxel (2011-02-22),

6. 7838694 - Semi-synthesis and isolation of taxane intermediates from a mixture of taxanes (2010-11-23),

7. 7585986 - Semi-synthesis of taxane intermediates and aziridine analogues and their conversion to paclitaxel and docetaxel (2009-09-08),

Company Overview

Chatham Biotec, Limited is a biotechnology company specializing in the research and development of innovative therapies for various medical conditions. With a focus on cutting-edge technology and scientific expertise, we aim to improve the quality of life for patients around the world. Our team of dedicated professionals is committed to driving advancements in the field of biotechnology and bringing transformative healthcare solutions to market.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

7 Patents

#1 in Riverview

#2,102 in Canada

Riverview, Canada

Chatham Biotec, Limited

Forward Citations = 2

4 inventors:

Ragina Naidu (7 out of 9 patents)

Samuel Siang Kiang Foo (2 out of 2 patents)

BaoYu Xue (1 out of 1 patent)

4. Bo Fan (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Chatham Biotec, Limited. Retrieved from https://idiyas.com/company/chatham-biotec

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]

5 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]