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Merck & Co., Inc. (MRK)

NYSE: MRK · Pharmaceutical Preparations · Rahway, NJ · filing with the SEC since 1994
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Patents

US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 2026

8,403 patents granted to the 100 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 Merck & Co., Inc.’s names, not what it holds today.

Patents granted
8,403
8,328 utility, 56 design, 19 reissue, 1976 to Dec 31, 2025
Granted in 2025
146
Against 118 in 2024 and 94 in 2023
Applications published
3,784
183 of them in 2025
Names they are printed under
100
its own name, a subsidiary, a former name
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
Pharmaceuticals341
Organic fine chemistry140
Biotechnology59
Computer technology29
Medical technology24
Other special machines24
Measurement8
Analysis of biological materials5
Chemical engineering5
Audio-visual technology3
Handling2
Machine tools1
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name100 counted
MERCK & CO., INC. its own name
US, as the owner printed on each patent. 24 more under the same name are not counted (printed in DE, printed in JP)
4,795 granted
221 published
Merck Sharp & Dohme LLC a subsidiary
US, as the owner printed on each patent. 377 more under the same name are not counted (printed in GB)
2,044 granted
1,585 published
Intervet Inc. a subsidiary
US, as the owner printed on each patent. 3 more under the same name are not counted (printed in JE, printed in NL)
237 granted
303 published
Merck Sharp & Dohme Corp. a subsidiary
named as the applicant on its applications, in US. 12 more under the same name are not counted (printed in GB, printed in CA)
0 granted
424 published
Merck Frosst Canada Ltd. a subsidiary
CA, as the owner printed on each patent. 2 more under the same name are not counted (printed in US)
295 granted
34 published
Acceleron Pharma Inc. a subsidiary
US, as the owner printed on each patent. 5 more under the same name are not counted (printed in GB)
167 granted
118 published
Acceleron Pharma Inc. a subsidiary
named as the applicant on its applications, in US
0 granted
198 published
ArQule, Inc. a subsidiary
US, as the owner printed on each patent
106 granted
58 published
INTERVET INTERNATIONAL B.V a subsidiary
NL, as the owner printed on each patent
104 granted
58 published
Canji, Inc. a subsidiary
US, as the owner printed on each patent
43 granted
66 published
Rosetta Inpharmatics LLC a subsidiary
US, as the owner printed on each patent
48 granted
43 published
Cubist Pharmaceuticals LLC a subsidiary
US, as the owner printed on each patent. 2 more under the same name are not counted (printed in CH, printed in GB)
59 granted
28 published
MERCK SHARP & DOHME B.V. a subsidiary
NL, as the owner printed on each patent
56 granted
20 published
GLYCOFI, INC. a subsidiary
US, as the owner printed on each patent
42 granted
33 published
MSD K.K. a subsidiary
JP, as the owner printed on each patent
47 granted
14 published
Harpoon Therapeutics, Inc. a subsidiary
named as the applicant on its applications, in US. 1 more under the same name are not counted (printed in CN)
0 granted
46 published
Schering-Plough Corporation a former name
US, as the owner printed on each patent. 7 more under the same name are not counted (printed in CH, printed in FR, printed in JP)
26 granted
16 published
Cubist Pharmaceuticals, Inc. a subsidiary
named as the applicant on its applications, in US
0 granted
41 published
ONCOIMMUNE, INC. a subsidiary
US, as the owner printed on each patent
12 granted
22 published
IMMUNE DESIGN CORP. a subsidiary
US, as the owner printed on each patent
17 granted
16 published
SMARTCELLS, INC. a subsidiary
US, as the owner printed on each patent
19 granted
13 published
Intervet Inc. a subsidiary
named as the applicant on its applications, in US. 1 more under the same name are not counted (printed in JP)
0 granted
30 published
Peloton Therapeutics, Inc. a subsidiary
US, as the owner printed on each patent
18 granted
12 published
S.C.R. (ENGINEERS) LIMITED a subsidiary
IL, as the owner printed on each patent
24 granted
5 published
Verona Pharma PLC a subsidiary
GB, as the owner printed on each patent. 1 more under the same name are not counted (printed in CA)
17 granted
12 published
PROMETHEUS BIOSCIENCES, INC. a subsidiary
named as the applicant on its applications, in US
0 granted
28 published
Afferent Pharmaceuticals, Inc. a subsidiary
US, as the owner printed on each patent
12 granted
15 published
Allflex Europe a subsidiary
FR, as the owner printed on each patent
14 granted
13 published
ALLFLEX EUROPE SAS a subsidiary
FR, as the owner printed on each patent
18 granted
7 published
ArQule, Inc. a subsidiary
named as the applicant on its applications, in US
0 granted
25 published
Harpoon Therapeutics, Inc. a subsidiary
US, as the owner printed on each patent
23 granted
1 published
Pandion Operations, Inc. a subsidiary
US, as the owner printed on each patent
11 granted
12 published
Merck Canada Inc. a subsidiary
CA, as the owner printed on each patent
19 granted
3 published
S.C.R. (ENGINEERS) LIMITED a subsidiary
named as the applicant on its applications, in IL
0 granted
22 published
IOmet Pharma Ltd. a subsidiary
GB, as the owner printed on each patent. 1 more under the same name are not counted (printed in US)
9 granted
12 published
Verona Pharma PLC a subsidiary
named as the applicant on its applications, in GB
0 granted
20 published
Allflex USA LLC a subsidiary
US, as the owner printed on each patent
13 granted
6 published
Imago Biosciences, Inc. a subsidiary
named as the applicant on its applications, in US
0 granted
18 published
PROMETHEUS BIOSCIENCES, INC. a subsidiary
US, as the owner printed on each patent
15 granted
3 published
IMMUNE DESIGN CORP. a subsidiary
named as the applicant on its applications, in US
0 granted
16 published
ONCOETHIX GMBH a subsidiary
CH, as the owner printed on each patent
4 granted
10 published
Peloton Therapeutics, Inc. a subsidiary
named as the applicant on its applications, in US
0 granted
14 published
Imago Biosciences, Inc. a subsidiary
US, as the owner printed on each patent
11 granted
2 published
MSD International GmbH a subsidiary
named as the applicant on its applications, in CH. 2 more under the same name are not counted (printed in SG)
0 granted
13 published
Merck HDAC Research, LLC a subsidiary
US, as the owner printed on each patent
12 granted
0 published
SureFlap Ltd. a subsidiary
GB, as the owner printed on each patent
9 granted
3 published
PANDION THERAPEUTICS, INC. a subsidiary
named as the applicant on its applications, in US
0 granted
11 published
ALLFLEX AUSTRALIA PTY LIMITED a subsidiary
AU, as the owner printed on each patent
5 granted
5 published
VELOSBIO INC. a subsidiary
US, as the owner printed on each patent
3 granted
7 published
Allflex Europe a subsidiary
named as the applicant on its applications, in FR
0 granted
9 published
Harrisvaccines, Inc. a subsidiary
US, as the owner printed on each patent
4 granted
5 published
MSD INTERNATIONAL GMBH a subsidiary
CH, as the owner printed on each patent. 3 more under the same name are not counted (printed in SG, printed in US)
4 granted
5 published
Abmaxis, Inc. a subsidiary
US, as the owner printed on each patent
6 granted
2 published
GlycoFi, Inc. a subsidiary
named as the applicant on its applications, in US
0 granted
8 published
Allflex New Zealand Limited a subsidiary
NZ, as the owner printed on each patent
7 granted
0 published
CCAM BIOTHERAPEUTICS LTD. a subsidiary
IL, as the owner printed on each patent
2 granted
4 published
INTERVET INTERNATIONAL B.V. a subsidiary
named as the applicant on its applications, in NL
0 granted
6 published
IdentiGEN Limited a subsidiary
named as the applicant on its applications, in IE
0 granted
6 published
Werthenstein Biopharma GMBH a subsidiary
CH, as the owner printed on each patent
2 granted
4 published
ALLFLEX AUSTRALIA PTY LTD a subsidiary
named as the applicant on its applications, in AU
0 granted
4 published
IdentiGEN Limited a subsidiary
IE, as the owner printed on each patent
3 granted
1 published
Merck Canada Inc. a subsidiary
named as the applicant on its applications, in CA
0 granted
4 published
ONCOIMMUNE, INC. a subsidiary
named as the applicant on its applications, in US
0 granted
4 published
PANDION OPERATIONS, INC. a subsidiary
named as the applicant on its applications, in US
0 granted
4 published
BioMark, LLC a subsidiary
US, as the owner printed on each patent
3 granted
0 published
ONCOETHIX GmbH a subsidiary
named as the applicant on its applications, in CH
0 granted
3 published
PANDION THERAPEUTICS, INC. a subsidiary
US, as the owner printed on each patent. 1 more under the same name are not counted (printed in GB)
3 granted
0 published
Rigontec GmbH a subsidiary
DE, as the owner printed on each patent
1 granted
2 published
SureFlap Ltd a subsidiary
named as the applicant on its applications, in GB
0 granted
3 published
ALLFLEX UK GROUP LTD a subsidiary
GB, as the owner printed on each patent
2 granted
0 published
Allflex USA, Inc. a subsidiary
named as the applicant on its applications, in US
0 granted
2 published
Canji Inc. a subsidiary
named as the applicant on its applications, in US
0 granted
2 published
Caraway Therapeutics, Inc. a subsidiary
US, as the owner printed on each patent
0 granted
2 published
Harrisvaccines, Inc. a subsidiary
named as the applicant on its applications, in US
0 granted
2 published
MSD ITALIA S.R.L. a subsidiary
IT, as the owner printed on each patent
2 granted
0 published
MSD International Business GmbH a subsidiary
named as the applicant on its applications, in CH
0 granted
2 published
Merck & Co., Inc. its own name
named as the applicant on its applications, in US
0 granted
2 published
Merck Frosst Company a subsidiary
CA, as the owner printed on each patent
2 granted
0 published
VREE HEALTH ITALIA S.R.L. a subsidiary
IT, as the owner printed on each patent
1 granted
1 published
Vence, Inc. a subsidiary
named as the applicant on its applications, in US
0 granted
2 published
ALLFLEX UK GROUP LTD a subsidiary
named as the applicant on its applications, in GB
0 granted
1 published
Afferent Pharmaceuticals, Inc. a subsidiary
named as the applicant on its applications, in US
0 granted
1 published
BioMark, LLC a subsidiary
named as the applicant on its applications, in US
0 granted
1 published
Caraway Therapeutics, Inc. a subsidiary
named as the applicant on its applications, in US
0 granted
1 published
IOmet Pharma Ltd. a subsidiary
named as the applicant on its applications, in GB
0 granted
1 published
MERCK SHARP & DOHME ANIMAL HEALTH, S.L. a subsidiary
named as the applicant on its applications, in ES
0 granted
1 published
MSD B.V. a subsidiary
NL, as the owner printed on each patent
0 granted
1 published
MSD K.K. a subsidiary
named as the applicant on its applications, in JP. 2 more under the same name are not counted (printed in US)
0 granted
1 published
MSD Korea Co., Ltd. a subsidiary
KR, as the owner printed on each patent
0 granted
1 published
MSD R&D (China) Co. Ltd. a subsidiary
CN, as the owner printed on each patent
1 granted
0 published
Merck Frosst Canada L.L.C. a subsidiary
CA, as the owner printed on each patent
1 granted
0 published
Merck Sharp & Dohme (UK) a subsidiary
GB, as the owner printed on each patent
1 granted
0 published
Modifi Biosciences, Inc. a subsidiary
named as the applicant on its applications, in US
0 granted
1 published
Multilan AG a subsidiary
CH, as the owner printed on each patent
1 granted
0 published
Multilan S.A. a subsidiary
CH, as the owner printed on each patent
1 granted
0 published
ONCOETHIX SA a subsidiary
CH, as the owner printed on each patent
0 granted
1 published
SmartCells, Inc. a subsidiary
named as the applicant on its applications, in US
0 granted
1 published
Tilos Therapeutics, Inc. a subsidiary
US, as the owner printed on each patent
1 granted
0 published
Tilos Therapeutics, Inc. a subsidiary
named as the applicant on its applications, in US
0 granted
1 published
VENCE, CORP. a subsidiary
US, as the owner printed on each patent
1 granted
0 published
Names not counted (11)
Schering-Plough Animal Health Limited
Most of its patents print US; this name counts in NZ. 30 granted and 35 published under it are not counted.
Merck & Co., Inc.
Most of its patents print DE; this name counts in US. 28 granted and 9 published under it are not counted.
MSD R&D (China) Co., Ltd.
Every patent under it that falls to this company prints another country (AU). 0 granted and 19 published under it are not counted.
SOL Limited
Most of its patents print KR; this name counts in BM. 9 granted and 9 published under it are not counted.
MSD (I.A.) B.V.
Most of its patents print US; this name counts in GB, JP, NL. 11 granted and 0 published under it are not counted.
SOL Limited
Most of its patents print KR; this name counts in BM. 0 granted and 8 published under it are not counted.
SOL Limited
Most of its patents print IT; this name counts in BM. 3 granted and 0 published under it are not counted.
Merck & Co., Inc.
Most of its patents print FR; this name counts in US. 2 granted and 0 published under it are not counted.
SCHERING PLOUGH CORP
Most of its patents print AU; this name counts in US. 0 granted and 2 published under it are not counted.
Merck Patents GmbH
Most of its patents print DE; this name counts in US. 0 granted and 1 published under it are not counted.
Merck and Company LLC
One word once its "& Company" is set aside.
Newest grantseach row opens the USPTO’s own copy
GrantedPatentTitleFieldOwner as printed
Dec 30, 202512,509,509Solution formulations of engineered anti-IL-23p19 antibodiesPharmaceuticalsMerck Sharp & Dohme LLC
Dec 30, 202512,509,449Anthelmintic compounds comprising a quinoline structureOrganic fine chemistryIntervet Inc.
Dec 30, 202512,507,670Sampling device for storing at least one sample of animal tissue, corresponding method for collecting and system for identifying an animalOther special machinesALLFLEX EUROPE SAS
Dec 23, 202512,502,426Inactivated piscine orthoreovirus vaccinePharmaceuticalsIntervet Inc.
Dec 16, 202512,497,454Anti-ROR1 antibodies and compositionsBiotechnologyVELOSBIO INC.
Dec 16, 202512,497,405Bicyclic heterocycle compounds methods of use thereof for the treatment of herpes virusesOrganic fine chemistryMerck Sharp & Dohme LLC
Dec 16, 202512,497,403Factor XIa inhibitorsOrganic fine chemistryMerck Sharp & Dohme LLC
Dec 16, 202512,497,362Cyclopentapyrrole orexin receptor agonistsOrganic fine chemistryMerck Sharp & Dohme LLC
Dec 16, 202512,497,279Hand held device for automatically removing and replacing screw-on caps for cryogenic tubes, cryogenic vials and microtubesChemical engineeringMerck Sharp & Dohme LLC
Dec 9, 202512,492,187Factor XI activation inhibitorsOrganic fine chemistryMerck Sharp & Dohme LLC
Newest applications publishedan application is a clue, never a plan
PublishedApplicationTitleFieldOwner as printed
Dec 25, 20252025/0388654ANTIBODY NEUTRALIZING HUMAN RESPIRATORY SYNCYTIAL VIRUSPharmaceuticalsMerck Sharp & Dohme LLC
Dec 25, 20252025/0387397SUBSTITUTED AMINO TRIAZOLOPYRIMIDINE AND AMINO TRIAZOLOPYRAZINE ADENOSINE RECEPTOR ANTAGONISTS, PHARMACEUTICAL COMPOSITIONS AND THEIR USEPharmaceuticalsMerck Sharp & Dohme LLC
Dec 18, 20252025/0383363NEUTRALIZATION ANTIBODY ASSAY METHODAnalysis of biological materialsMerck Sharp & Dohme LLC
Dec 18, 20252025/0382355POLYPEPTIDES EFFECTIVE AGAINST MULTIPLE CORONAVIRUSESBiotechnologyMerck Sharp & Dohme LLC
Dec 18, 20252025/0382300SUBSTITUTED AMINO TRIAZOLOPYRIMIDINE AND AMINO TRIAZOLOPYRAZINE ADENOSINE RECEPTOR ANTAGONISTS, PHARMACEUTICAL COMPOSITIONS AND THEIR USEPharmaceuticalsMerck Sharp & Dohme LLC
Dec 18, 20252025/0380673SYSTEM AND METHOD FOR FERTILITY EVALUATION IN ANIMALSOther special machinesS.C.R. (ENGINEERS) LIMITED
Dec 11, 20252025/0375577NEEDLE UNCAPPING DEVICEMedical technologyMerck Sharp & Dohme Corp.
Dec 11, 20252025/0375510VACCINE FOR PROTECTION AGAINST LEPTOSPIRA SEROVAR GRIPPOTYPHOSAPharmaceuticalsIntervet Inc.
Dec 11, 20252025/0375509VACCINE FOR PROTECTION AGAINST LEPTOSPIRA SEROVAR ICTEROHAEMORRHAGIAEPharmaceuticalsIntervet Inc.
Dec 11, 20252025/0375258ENCLOSURE FOR MITIGATION OF LEAKAGE BY SYRINGE ASSEMBLYMedical technologyMerck Sharp & Dohme Corp.
What it applied for, 2024 to 2025: Pharmaceuticals 242 · Organic fine chemistry 61 · Biotechnology 57 · Other special machines 21 · Medical technology 20 · Computer technology 17.

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.

SI Assistanton MRK · research, not advice