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For the Inventor, By the Inventor

Waltham, MA, United States of America

Repligen Corporation


USPTO Granted Patents = 133

% Expired Patents = 6.0



Trademarks = 38

Forward Citations = 1,233

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109 inventors (with patents filed for the assignee):

goldMedal Michael C Gagne (17 out of 37 patents)

silverMedal Steven V Cates (16 out of 30 patents)

bronzeMedal Walter C Herlihy (15 out of 15 patents)

4.  Michael Bransby (13 out of 13 patents)

5.  Rudolf Pavlik (13 out of 17 patents)

6.  Dean C Richards (11 out of 21 patents)

7.  Derek Carroll (9 out of 9 patents)

8.  James Ronald Peyser (7 out of 7 patents)

9.  Vincent P Pigiet (7 out of 8 patents)

10.  Theodore E Maione (7 out of 7 patents)

11.  Philip Yuen (6 out of 6 patents)

12.  Scott Bendon (6 out of 10 patents)

13.  Algis Anilionis (6 out of 6 patents)

14.  Erik Fiedler (5 out of 22 patents)

15.  Ulrich Haupts (5 out of 15 patents)


Core Competencies:
Filtration Units
Chromatography
Tangential Flow Filtration
Fluid Monitoring
Bioreactor
Affinity Chromatography
Pressure Relief Valve
Fc Binding Proteins
Disposable Pumphead
Sterilizing Columns
Fluid Plug
Micro Bioreactor

133 patents:

1. 12746513 - Vessel, system, and associated method for product concentration (2026-09-29),
2. 12736151 - Pneumatic actuator assembly for reduced dead leg (2026-09-15),
3. 12729362 - Hollow fiber screening tool, system, and method (2026-09-08),
4. 12616937 - Filtration units and assembly, and methods of making and using same (2026-05-05),
5. 12596067 - Compact high resolution monochromatic light source for fluid sample concentration measurement (2026-04-07),
6. 12576345 - Chromatography column packing medium recovery (2026-03-17),
7. 12460731 - Valve assembly with directional flow path (2025-11-04),
8. 12427454 - Filtration system and method for synchronizing permeate and retentate flow (2025-09-30),
9. 12422356 - Variable path length absorption spectrometer having automated continuous slope measurement (2025-09-23),
10. 12411043 - No-ref-signal slope spectroscopic measurement (2025-09-09),
11. 12372156 - Encapsulated system for pressurized fluid processes (2025-07-29),
12. 12343912 - Tubing coupler moldings and systems, and associated methods (2025-07-01),
13. 12275774 - Fc binding proteins with cysteine in the C-terminal helical region (2025-04-14),
14. 12257530 - Fc binding proteins with cysteine in the c-terminal helical region (2025-03-25),
15. 12253189 - Encapsulated valve system and method of use (2025-03-18),
Repligen Corporation, headquartered in Waltham, MA, specializes in bioprocess filtration technologies that are essential for the biopharmaceutical industry. The company develops and manufactures advanced filtration units, chromatography systems, and tangential flow filtration solutions, which are critical for the purification and monitoring of biologics. Their expertise extends to fluid monitoring and bioreactor technologies, enhancing the efficiency and effectiveness of bioprocessing operations. Repligen's innovations support the production of life-saving therapies globally.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Repligen Corporation
133 Patents

#13 in Waltham, MA

#154 in Massachusetts

#2,914 in US

#6,053 in the World

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

Repligen Corporation

Forward Citations = 1,233

109 inventors:

goldMedal Michael C Gagne (17 out of 37 patents)

silverMedal Steven V Cates (16 out of 30 patents)

bronzeMedal Walter C Herlihy (15 out of 15 patents)

4.  Michael Bransby (13 out of 13 patents)

5.  Rudolf Pavlik (13 out of 17 patents)

Please report any incorrect information to [email protected]
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