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For the Inventor, By the Inventor

Waltham, MA, United States of America

Repligen Corporation


USPTO Granted Patents = 132

% Expired Patents = 6.1



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 (15 out of 29 patents)

bronzeMedal Walter C Herlihy (15 out of 15 patents)

4.  Michael Bransby (13 out of 13 patents)

5.  Rudolf Pavlik (12 out of 16 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

132 patents:

1. 12736151 - Pneumatic actuator assembly for reduced dead leg (2026-09-15),
2. 12729362 - Hollow fiber screening tool, system, and method (2026-09-08),
3. 12616937 - Filtration units and assembly, and methods of making and using same (2026-05-05),
4. 12596067 - Compact high resolution monochromatic light source for fluid sample concentration measurement (2026-04-07),
5. 12576345 - Chromatography column packing medium recovery (2026-03-17),
6. 12460731 - Valve assembly with directional flow path (2025-11-04),
7. 12427454 - Filtration system and method for synchronizing permeate and retentate flow (2025-09-30),
8. 12422356 - Variable path length absorption spectrometer having automated continuous slope measurement (2025-09-23),
9. 12411043 - No-ref-signal slope spectroscopic measurement (2025-09-09),
10. 12372156 - Encapsulated system for pressurized fluid processes (2025-07-29),
11. 12343912 - Tubing coupler moldings and systems, and associated methods (2025-07-01),
12. 12275774 - Fc binding proteins with cysteine in the C-terminal helical region (2025-04-14),
13. 12257530 - Fc binding proteins with cysteine in the c-terminal helical region (2025-03-25),
14. 12253189 - Encapsulated valve system and method of use (2025-03-18),
15. 12220665 - Tangential flow filtration systems and methods (2025-02-11),
Repligen Corporation is a bioprocessing company that offers innovative solutions for the development and manufacturing of biologic drugs. With a focus on improving bioproduction efficiency and productivity, Repligen provides a range of products and technologies including Protein A ligands, chromatography resins, filtration systems, and Single-Use technologies. Their solutions help biopharmaceutical companies accelerate and improve their bioprocessing workflows, leading to cost-effective and high-quality manufacturing of biologics.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Sep 15 2026

Repligen Corporation
132 Patents

#13 in Waltham, MA

#155 in Massachusetts

#2,935 in US

#6,085 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 (15 out of 29 patents)

bronzeMedal Walter C Herlihy (15 out of 15 patents)

4.  Michael Bransby (13 out of 13 patents)

5.  Rudolf Pavlik (12 out of 16 patents)

Please report any incorrect information to [email protected]
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