Stamford, CT, United States of America

Purdue Pharma L.p.


USPTO Granted Patents = 547

% Expired Patents = 25.4



Trademarks = 15

Forward Citations = 9,757

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196 inventors (with patents filed for the assignee):

goldMedal Benjamin Oshlack (118 out of 157 patents)

silverMedal Laykea Tafesse (84 out of 91 patents)

bronzeMedal Curtis Wright (74 out of 86 patents)

4.  Donald Kyle (66 out of 341 patents)

5.  Haiyong Hugh Huang (62 out of 63 patents)

6.  Christopher D Breder (46 out of 57 patents)

7.  Richard O Mannion (42 out of 43 patents)

8.  Edward P O'Donnell (41 out of 42 patents)

9.  Jiangchao Yao (41 out of 50 patents)

10.  William H McKenna (40 out of 41 patents)

11.  Hua-Pin Huang (39 out of 48 patents)

12.  John K Masselink (36 out of 37 patents)

13.  Alfred P Tonelli (34 out of 35 patents)

14.  Qun Sun (29 out of 92 patents)

15.  Richard S Sackler (27 out of 48 patents)


Core Competencies:
Tamper Resistant
Opioid Treatments
Pharmaceutical Formulations
Sleep Disorders
Lymphoma Compounds
TNBC
Morphinan Derivatives
Tinostamustine
Attention Deficit Disorder
Controlled Release
Oxycodone
TRPV1 Antagonists

547 patents:

Company Overview
Purdue Pharma L.P., headquartered in Stamford, CT, specializes in the development and manufacturing of pharmaceutical formulations with a focus on tamper-resistant technologies. The company is known for its innovative approaches to opioid treatments and is actively engaged in research addressing sleep disorders and various cancers, including lymphoma and triple-negative breast cancer (TNBC). Purdue Pharma is committed to advancing therapeutic solutions that meet critical medical needs while prioritizing patient safety.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

Purdue Pharma L.p. USPTO Patent Assignee Logo
547 Patents

#8 in Stamford, CT

#31 in Connecticut

#893 in US

#1,775 in the World

Stamford, CT (US)
Stamford, CT, United States of America
Forward Citations = 9,757

196 inventors:

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Purdue Pharma L.p.. Retrieved from https://idiyas.com/company/purdue-pharma

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]
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