For the Inventor, By the Inventor

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Webster Groves, MO, United States of America

Specgx LLC

USPTO Granted Patents = 21

CIPO Patents = 4

EPO Patents = 20

Trademarks = 7

Forward Citations = 9

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33 inventors (with patents filed for the assignee):

Tsz Chung Lai (6 out of 6 patents)

Jonathan Gaik (6 out of 6 patents)

Jae Han Park (5 out of 10 patents)

4. Clifford J Herman (4 out of 9 patents)

5. Kai Feng (4 out of 4 patents)

6. Brian Orr (4 out of 4 patents)

7. Joel McClenaghan (4 out of 4 patents)

8. Jaehan Park (4 out of 4 patents)

9. Brad L Gower (3 out of 4 patents)

10. Greg Bengard (3 out of 3 patents)

11. George Helmut Klemm (3 out of 3 patents)

12. Ryan Lathrop (3 out of 3 patents)

13. Gary Nichols (3 out of 3 patents)

14. John Schallom (3 out of 3 patents)

15. Alex Micka (3 out of 3 patents)

21 patents: Sort by Forward Citations

1. 12371423 - Preparation of sufentanil citrate and sufentanil base (2025-07-29),

2. 12208094 - Extended release, abuse deterrent dosage forms (2025-01-28),

3. 11666509 - Systems and methods for high humidity curing within tablet coating system (2023-06-06),

4. 11617712 - Abuse deterrent immediate release formulations comprising non-cellulose polysaccharides (2023-04-04),

5. 11583493 - Abuse deterrent immediate release formulations comprising non-cellulose polysaccharides (2023-02-21),

6. 11517521 - Abuse deterrent immediate release formulations comprising non-cellulose polysaccharides (2022-12-06),

7. 11478426 - Abuse deterrent immediate release capsule dosage forms (2022-10-25),

8. 11464741 - Spray dried compositions having different dissolution profiles and processes for their preparation (2022-10-11),

9. 11446293 - Extended release, abuse deterrent dosage forms (2022-09-20),

10. 11096887 - Extended release, abuse deterrent pharmaceutical compositions (2021-08-24),

11. 11077024 - Systems and methods for high humidity curing within tablet coating system (2021-08-03),

12. 11065246 - Glucomannan containing pharmaceutical compositions with extended release and abuse deterrent properties (2021-07-20),

13. 11033508 - Delayed sustained release pharmaceutical compositions (2021-06-15),

14. 10927068 - Process for preparing acylated amphetamine derivatives (2021-02-23),

15. 10899749 - Preparation of sufentanil citrate and sufentanil base (2021-01-26),

SpecGX LLC is a leading pharmaceutical company specializing in the development and manufacturing of generic and specialty pharmaceuticals. With a commitment to delivering quality products, we provide affordable and accessible healthcare solutions to improve the lives of patients worldwide. Our extensive product portfolio includes a wide range of FDA-approved generic drugs and specialized medications across various therapeutic areas. Through continuous innovation, advanced research and development, and strategic partnerships, SpecGX remains at the forefront of the pharmaceutical industry, dedicated to enhancing global healthcare.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

21 Patents

#1 in Webster Groves, MO

#209 in Missouri

#15,183 in US

#29,080 in the World

Webster Groves, MO, United States of America

Specgx LLC

Forward Citations = 9

33 inventors:

Tsz Chung Lai (6 out of 6 patents)

Jonathan Gaik (6 out of 6 patents)

Jae Han Park (5 out of 10 patents)

4. Clifford J Herman (4 out of 9 patents)

5. Kai Feng (4 out of 4 patents)

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