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For the Inventor, By the Inventor

Lexington, MA, United States of America

Gi Dynamics, Inc.

USPTO Granted Patents = 55

% Expired Patents = 56.4


Trademarks = 6

Forward Citations = 3,926

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28 inventors (with patents filed for the assignee):

goldMedal Andy H Levine (48 out of 101 patents)

silverMedal David A Melanson (45 out of 69 patents)

bronzeMedal John C Meade (30 out of 122 patents)

4.  John F Cvinar (26 out of 30 patents)

5.  Ronald B Lamport (8 out of 28 patents)

6.  Barry Maxwell (8 out of 8 patents)

7.  Ian K Parker (4 out of 6 patents)

8.  Scott Schorer (4 out of 6 patents)

9.  Richard A Gambale (4 out of 58 patents)

10.  Dave Melanson (4 out of 4 patents)

11.  John Panek (3 out of 3 patents)

12.  Peter J Shank (3 out of 18 patents)

13.  Stuart A Randle (3 out of 3 patents)

14.  Andres Chamorro, Iii (3 out of 11 patents)

15.  Nicholas Williams (2 out of 2 patents)


Core Competencies:
Gastrointestinal Devices
Bariatric Sleeve
Anti-Obesity Devices
Implant Delivery Systems
Transpyloric Anchoring
Eversion Resistant Sleeves
Biodegradable Constraints
Atraumatic Delivery Devices
Intestinal Sleeve
Gastrointestinal Anchor Compliance
Methods of Treatment
Removal Devices

55 patents:

1. 11684502 - Segmented gastrointestinal devices and methods of use thereof (2023-06-27),
2. 11318008 - Gastrointestinal implant delivery systems and methods (2022-05-03),
3. 11179325 - Therapeutic methods involving gastrointestinal implants for administering metabolic agents (2021-11-23),
4. 11026826 - Flanged gastrointestinal devices and methods of use thereof (2021-06-08),
5. 11000396 - Transpyloric anchoring (2021-05-11),
6. 10130502 - Transpyloric anchoring (2018-11-20),
7. 9901474 - Anti-obesity devices (2018-02-27),
8. 9750596 - Bariatric sleeve (2017-09-05),
9. 9744061 - Intestinal sleeve (2017-08-29),
10. 9642734 - Anchors with biodegradable constraints (2017-05-09),
11. 9636245 - Transpyloric anchoring (2017-05-02),
12. 9597215 - Transpyloric anchoring (2017-03-21),
13. 9585783 - Methods and apparatus for anchoring within the gastrointestinal tract (2017-03-07),
14. 9278020 - Methods of treatment using a bariatric sleeve (2016-03-08),
15. 9265596 - Anchors with open heads (2016-02-23),
Company Overview
Gi Dynamics, Inc. is a medical technology company based in Lexington, MA, specializing in innovative gastrointestinal devices aimed at addressing obesity. The company focuses on developing advanced solutions such as bariatric sleeves and anti-obesity devices that utilize unique implant delivery systems. Their technologies include transpyloric anchoring and eversion resistant sleeves, along with biodegradable constraints and atraumatic delivery devices, all designed to enhance patient outcomes in weight management and metabolic health.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Gi Dynamics, Inc. USPTO Patent Assignee Logo
55 Patents

#17 in Lexington, MA

#368 in Massachusetts

#6,460 in US

#12,932 in the World

Lexington, MA (US)
Lexington, MA, United States of America

Gi Dynamics, Inc.

Forward Citations = 3,926

28 inventors:

goldMedal Andy H Levine (48 out of 101 patents)

silverMedal David A Melanson (45 out of 69 patents)

bronzeMedal John C Meade (30 out of 122 patents)

4.  John F Cvinar (26 out of 30 patents)

5.  Ronald B Lamport (8 out of 28 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Gi Dynamics, Inc.. Retrieved from https://idiyas.com/company/gi-dynamics

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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