For the Inventor, By the Inventor

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Bridgewater, NJ, United States of America

Impax Laboratories, Inc.

USPTO Granted Patents = 29

% Expired Patents = 6.9

CIPO Patents = 1

EPO Patents = 6

Forward Citations = 630

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13 inventors (with patents filed for the assignee):

Ann Hsu (27 out of 27 patents)

Liang Dong (17 out of 19 patents)

Amy Ding (17 out of 17 patents)

4. Suneel Gupta (17 out of 30 patents)

5. Laman L Alani (8 out of 34 patents)

6. Jim H Kou (8 out of 12 patents)

7. Chien-Hsuan Han (3 out of 7 patents)

8. Larry Hsu (2 out of 2 patents)

9. Charles Hsiao (1 out of 4 patents)

10. Joshua Gatts (1 out of 1 patent)

11. Ching-Ling Teng (1 out of 1 patent)

12. Gary Liaw (1 out of 1 patent)

13. Shook-Fong Chin (0 patent)

14. Laman Lynn Alani (0 patent)

15. Liang C Dong (0 patent)

Core Competencies:

Levodopa

Muco-adhesive

Controlled Release

Pharmaceutical Compositions

Bioavailability

Bupropion Hydrochloride

Drug Delivery System

Carbidopa

Hydrophobic Ingredients

Immediate Release

Dosage Forms

29 patents: Sort by Forward Citations

1. 12691074 - Muco-adhesive, controlled release formulation of levodopa and/or esters of levodopa and uses thereof (2026-07-28),

2. 12491164 - Muco-adhesive, controlled release formulation of levodopa and/or esters of levodopa and uses thereof (2025-12-09),

3. 12403099 - Muco-adhesive, controlled release formulation of levodopa and/or esters of levodopa and uses thereof (2025-09-02),

4. 12303605 - Muco-adhesive, controlled release formulation of levodopa and/or esters of levodopa and uses thereof (2025-05-20),

5. 12274793 - Muco-adhesive, controlled release formulation of levodopa and/or esters of levodopa and uses thereof (2025-04-14),

6. 12178919 - Muco-adhesive, controlled release formulation of levodopa and/or esters of levodopa and uses thereof (2024-12-31),

7. 12178918 - Muco-adhesive, controlled release formulations of levodopa and/or esters of levodopa and uses thereof (2024-12-31),

8. 12128141 - Muco-adhesive, controlled release formulation of levodopa and/or esters of levodopa and uses thereof (2024-10-29),

9. 12064521 - Muco-adhesive, controlled release formulations of levodopa and/or esters of levodopa and uses thereof (2024-08-20),

10. 11666538 - Muco-adhesive, controlled release formulations of levodopa and/or esters of levodopa and uses thereof (2023-06-06),

11. 11622941 - Muco-adhesive, controlled release formulations of levodopa and/or esters of levodopa and uses thereof (2023-04-11),

12. 11357733 - Muco-adhesive, controlled release formulations of levodopa and/or esters of levodopa and uses thereof (2022-06-14),

13. 10987313 - Muco-adhesive, controlled release formulations of levodopa and/or esters of levodopa and uses thereof (2021-04-27),

14. 10973769 - Muco-adhesive, controlled release formulations of levodopa and/or esters of levodopa and uses thereof (2021-04-13),

15. 10688058 - Muco-adhesive, controlled release formulations of levodopa and/or esters of levodopa and uses thereof (2020-06-23),

Impax Laboratories, Inc. is a pharmaceutical company based in Bridgewater, New Jersey, specializing in the development and manufacturing of generic and specialty pharmaceuticals. The company focuses on delivering high-quality, affordable medications across various therapeutic areas, including central nervous system disorders, cardiovascular diseases, and infectious diseases. With a commitment to innovation, Impax leverages advanced technologies to enhance drug formulation and delivery, ensuring patient access to essential treatments.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

29 Patents

#11 in Bridgewater, NJ

#466 in New Jersey

#11,615 in US

#22,530 in the World

Bridgewater, NJ, United States of America

Impax Laboratories, Inc.

Forward Citations = 630

13 inventors:

Ann Hsu (27 out of 27 patents)

Liang Dong (17 out of 19 patents)

Amy Ding (17 out of 17 patents)

4. Suneel Gupta (17 out of 30 patents)

5. Laman L Alani (8 out of 34 patents)

Please report any incorrect information to [email protected]

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