Patent assignee · DE · COMPANY

Merck Patent GmbH

4,092Patents
2,375Active
4,092Granted
58Portfolio score

Filing activity: Dec 15, 1970 → Apr 29, 2024 · 621 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US3964974A Enzymatic determination of glucose Chemistry; Metallurgy 377 Expired
US5558864A Humanized and chimeric anti-epidermal growth factor receptor monoclonal antibodies Emerging Cross-Sectional Technologies 310 Expired
US4347234A Medicinally useful, shaped mass of collagen resorbable in the body Human Necessities 250 Expired
US4291013A Medicinally useful, shaped mass of collagen resorbable in the body Human Necessities 156 Expired
US6521250B2 Transdermal therapeutic system containing estradiol Human Necessities 153 Expired
US6495156B2 Biocements having improved compressive strength Human Necessities 152 Expired
US6099758A Broadband reflective polarizer Physics 145 Expired
US4373217A Implantation materials and a process for the production thereof Human Necessities 140 Expired
US5211878A Difluorobenzonitrile derivatives Chemistry; Metallurgy 137 Expired
US5707374A Apparatus for preparing the medullary cavity Human Necessities 118 Expired
US5997544A Process and device for producing sterile-packed bone cement Human Necessities 117 Expired
US4965294A Photoinitiator dispersions Physics 116 Expired
US5630943A Discontinuous countercurrent chromatographic process and apparatus Performing Operations; Transporting 113 Expired
US5858078A Platelet-shaped titanium dioxide pigment Chemistry; Metallurgy 111 Expired
US5621552A Electrooptical liquid crystal system containing dual frequency liquid crystal mixture Physics 109 Expired
US5844093A Anti-EGFR single-chain Fvs and anti-EGFR antibodies Chemistry; Metallurgy 109 Expired
US4347111A Photosensitive hydroxyalkylphenones Emerging Cross-Sectional Technologies 105 Expired
US5624875A Inorganic porous material and process for making same Physics 105 Expired
US6118043A Bone replacement material with FGF Human Necessities 104 Expired
US5571204A Femoral prosthesis Human Necessities 101 Expired
US6217792A Chiral dopants Chemistry; Metallurgy 101 Expired
US4024272A Tetracyclic compounds Chemistry; Metallurgy 99 Expired
US8617723B2 Metal complexes Emerging Cross-Sectional Technologies 98 Active
US4721734A Photosensitive hydroxylalkylphenones Emerging Cross-Sectional Technologies 97 Expired
US5769073A Powder inhalator Human Necessities 97 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.