For the Inventor, By the Inventor

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Billerica, MA, United States of America

Dusa Pharmaceuticals, Inc.

USPTO Granted Patents = 45

% Expired Patents = 17.8

CIPO Patents = 8

EPO Patents = 5

Trademarks = 10

Forward Citations = 2,650

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31 inventors (with patents filed for the assignee):

Scott Lundahl (20 out of 21 patents)

Mark Carota (10 out of 11 patents)

Thomas Boyajian (8 out of 19 patents)

4. Ronald Carroll (8 out of 8 patents)

5. Rebecca Kozodoy (8 out of 8 patents)

6. Elton Leppelmeier (8 out of 8 patents)

7. Brian Mazejka (6 out of 7 patents)

8. Michael Guttadauro (5 out of 6 patents)

9. Peter M Meserol (4 out of 25 patents)

10. Allyn Golub (3 out of 3 patents)

11. Michael Leccese (2 out of 2 patents)

12. Stuart Marcus (2 out of 2 patents)

13. Michael Bargiel (2 out of 3 patents)

14. Joshua J Nelson (2 out of 6 patents)

15. Glenn Walters (2 out of 2 patents)

Core Competencies:

Photodynamic Therapy

Topical Solutions

5-Aminolevulinic Acid

Dermal Lesions

Photosensitivity Reduction

Illuminator Devices

Medical Device Sheath

Acne Treatment

Onychomycosis Treatment

Applicator Devices

Sunscreen Compositions

Vial Crushing Devices

45 patents: Sort by Forward Citations

1. 12708791 - MANAGEMENT OF DERMAL NEUROFIBROMATOSIS LESIONS (2026-08-18),

2. 11904180 - Adjustable illuminators and methods for photodynamic therapy and diagnosis (2024-02-20),

3. 11890440 - Method and apparatus for applying a topical solution (2024-02-06),

4. 11697028 - Adjustable illuminator for photodynamic therapy and diagnosis (2023-07-11),

5. 11690914 - Methods for photodynamic therapy (2023-07-04),

6. 11571478 - Methods for photodynamic therapy (2023-02-07),

7. 11446512 - Adjustable illuminator for photodynamic therapy and diagnosis (2022-09-20),

8. 11179574 - Method of administering 5-aminolevulinic acid (ALA) to a patient (2021-11-23),

9. 11135293 - Methods for photodynamic therapy (2021-10-05),

10. 11077192 - Methods for photodynamic therapy (2021-08-03),

11. 10814114 - Method and apparatus for applying a topical solution (2020-10-27),

12. 10603508 - Adjustable illuminators and methods for photodynamic therapy and diagnosis (2020-03-31),

13. 10589122 - Adjustable illuminator for photodynamic therapy and diagnosis (2020-03-17),

14. 10357567 - Methods for photodynamic therapy (2019-07-23),

15. 10029116 - Method for the treatment of acne (2018-07-24),

DUSA Pharmaceuticals, Inc. is a leading pharmaceutical company specializing in dermatology. With a strong focus on research and development, DUSA continuously strives to improve patient care and wellbeing. They offer a wide range of innovative products to combat various dermatological conditions and promote healthier skin. Visit their website to learn more about DUSA Pharmaceuticals and their commitment to bringing innovative solutions to the field of dermatology.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

Dusa Pharmaceuticals, Inc.

45 Patents

#18 in Billerica, MA

#439 in Massachusetts

#7,766 in US

#15,408 in the World

Billerica, MA, United States of America

Dusa Pharmaceuticals, Inc.

Forward Citations = 2,650

31 inventors:

Scott Lundahl (20 out of 21 patents)

Mark Carota (10 out of 11 patents)

Thomas Boyajian (8 out of 19 patents)

4. Ronald Carroll (8 out of 8 patents)

5. Rebecca Kozodoy (8 out of 8 patents)

Please report any incorrect information to [email protected]

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