Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 2026
133 patents granted to the 5 names below, as the owner printed on each patent when it was granted. A later sale, a lapse or an expiry is not read, so this is what was granted to Repligen Corporation’s names, not what it holds today.
Patents granted
133
133 utility, 1976 to Dec 31, 2025
Granted in 2025
11
Against 7 in 2024 and 15 in 2023
Applications published
119
8 of them in 2025
Names they are printed under
5
its own name, a subsidiary
By yearGrantedApplications published
'11'12'13'14'15'16'17'18'19'20'21'22'23'24'25
Each pair is one calendar year. Applications are published about eighteen months after filing, so the newest years read low.
What they are aboutgrants since 2021
Chemical engineering21
Biotechnology13
Mechanical elements13
Measurement6
Medical technology2
Furniture, games1
Macromolecular chemistry, polymers1
Other special machines1
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name5 counted
Repligen Corporation its own name
US, as the owner printed on each patent
100 publishedRepligen Corporation its own name
named as the applicant on its applications, in US
9 publishedTantti Laboratory Inc. a subsidiary
named as the applicant on its applications, in TW
8 publishedTantti Laboratory Inc. a subsidiary
TW, as the owner printed on each patent
0 publishedPolymem a subsidiary
named as the applicant on its applications, in FR
2 publishedNames not counted (4)
908 Devices GmbH
Most of its patents print US; this name counts in DE. 17 granted and 2 published under it are not counted.
908 Devices GmbH
Most of its patents print US; this name counts in DE. 0 granted and 12 published under it are not counted.
REPLIGEN CORP
No country is printed for it. 0 granted and 2 published under it are not counted.
REPLIGEN CORP
No country is printed for it. 0 granted and 1 published under it are not counted.
Newest grantseach row opens the USPTO’s own copy
| Granted | Patent | Title | Field | Owner as printed |
|---|
| Nov 4, 2025 | 12,460,731 | Valve assembly with directional flow path | Mechanical elements | Repligen Corporation |
| Sep 30, 2025 | 12,427,454 | Filtration system and method for synchronizing permeate and retentate flow | Chemical engineering | Repligen Corporation |
| Sep 23, 2025 | 12,422,356 | Variable path length absorption spectrometer having automated continuous slope measurement | Measurement | Repligen Corporation |
| Sep 9, 2025 | 12,411,043 | No-ref-signal slope spectroscopic measurement | Measurement | Repligen Corporation |
| Sep 2, 2025 | 12,403,453 | Stationary phase medium for adsorption chromatography and manufacturing method thereof | Chemical engineering | Tantti Laboratory Inc. |
| Jul 29, 2025 | 12,372,156 | Encapsulated system for pressurized fluid processes | Mechanical elements | Repligen Corporation |
| Jul 1, 2025 | 12,343,912 | Tubing coupler moldings and systems, and associated methods | Other special machines | Repligen Corporation |
| Apr 15, 2025 | 12,275,774 | Fc binding proteins with cysteine in the C-terminal helical region | Biotechnology | Repligen Corporation |
| Mar 25, 2025 | 12,257,530 | Fc binding proteins with cysteine in the c-terminal helical region | Chemical engineering | Repligen Corporation |
| Mar 18, 2025 | 12,253,189 | Encapsulated valve system and method of use | Mechanical elements | Repligen Corporation |
Newest applications publishedan application is a clue, never a plan
| Published | Application | Title | Field | Owner as printed |
|---|
| Dec 18, 2025 | 2025/0383234 | NO-REF-SIGNAL SLOPE SPECTROSCOPIC MEASUREMENT | Measurement | Repligen Corporation |
| Dec 11, 2025 | 2025/0377293 | VARIABLE PATH LENGTH ABSORPTION SPECTROMETER HAVING AUTOMATED CONTINUOUS SLOPE MEASUREMENT | Measurement | Repligen Corporation |
| Nov 6, 2025 | 2025/0341257 | ENCAPSULATED SYSTEM FOR PRESSURIZED FLUID PROCESSES | Mechanical elements | Repligen Corporation |
| Aug 7, 2025 | 2025/0251294 | PRESSURE SENSING CUP WITH INTEGRAL MEMBRANE | Other special machines | Repligen Corporation |
| Apr 10, 2025 | 2025/0116349 | PNEUMATIC ACTUATOR ASSEMBLY FOR REDUCED DEAD LEG | Mechanical elements | Repligen Corporation |
| Feb 13, 2025 | 2025/0051400 | ALKALINE STABLE FC-BINDING PROTEINS FOR AFFINITY CHROMATOGRAPHY | Biotechnology | Repligen Corporation |
| Jan 30, 2025 | 2025/0032997 | LOW POROSITY TANGENTIAL FLOW DEPTH FILTERS | Chemical engineering | Repligen Corporation |
| Jan 23, 2025 | 2025/0027032 | SYSTEM AND METHODS FOR COMBINED HARVEST AND CAPTURE OF A BIOLOGIC | Biotechnology | Repligen Corporation |
| Oct 10, 2024 | 2024/0335776 | FILTRATION SYSTEM AND METHOD | Chemical engineering | Repligen Corporation |
| Jul 18, 2024 | 2024/0238731 | TANGENTIAL FLOW FILTRATION SYSTEMS AND METHODS | Chemical engineering | Repligen Corporation · patent 12,220,665 granted from it |
What it applied for, 2024 to 2025: Chemical engineering 6 · Mechanical elements 3 · Biotechnology 2 · Measurement 2 · Engines, pumps, turbines 1 · Other special machines 1.
A patent is counted where the owner printed on it when it was granted carries the company’s own name, a former name, the name of a subsidiary its annual report lists, or its own name with a patent-holding phrase (Technology Licensing, Intellectual Property and the like), once the legal form, case and punctuation are set aside, and prints a country that name counts in. PatentsView’s data are published under the Creative Commons Attribution 4.0 licence. Source: PatentsView's granted patents and pre-grant publications, disambiguated, from the USPTO's Open Data Portal, through Dec 31, 2025, read Oct 27, 2026.