Patent assignee · GB · COMPANY

Celltech R&D Limited

68Patents
11Active
68Granted
40Portfolio score

Filing activity: May 25, 1995 → Aug 27, 2010 · 11 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7052906B1 Synthetic transmembrane components Chemistry; Metallurgy 160 Expired
US6579983B1 5-cyano-2-aminopyrimidine derivatives Chemistry; Metallurgy 158 Expired
US6489445B1 Polypeptides associated with alterations in bone density Physics 81 Expired
US7578999B2 Antibodies specific for sclerostin Physics 54 Active
US7381409B2 Antibodies specific for sclerostin and methods of screening and use therefor Physics 53 Expired
US6511663B1 Tri- and tetra-valent monospecific antigen-binding proteins Human Necessities 53 Expired
US7566771B1 Humanised antibodies Chemistry; Metallurgy 49 Expired
US6552029B1 2-pyrimidineamine derivatives and processes for their preparation Chemistry; Metallurgy 44 Expired
US7226902B2 Ligands for TGF-beta binding proteins and uses thereof Physics 44 Expired
US6518283B1 Squaric acid derivatives Chemistry; Metallurgy 39 Expired
US6815214B2 Pharmaceutical uses and synthesis of diketopiperazines Emerging Cross-Sectional Technologies 39 Expired
US6599908B1 Fused polycyclic 2-aminopyrimidine derivatives Chemistry; Metallurgy 39 Expired
US7262050B2 Humanised antibodies Chemistry; Metallurgy 36 Expired
US7261892B2 Methods for diagnosis and treatment of epithelial-derived cancers Physics 35 Expired
US6600037B1 4,5-disubstituted-2-aminopyrimidines Chemistry; Metallurgy 33 Expired
US6750325B1 CD3 specific recombinant antibody Chemistry; Metallurgy 31 Expired
US7241877B2 Humanised antibodies Chemistry; Metallurgy 24 Expired
US7244832B2 Humanised antibodies Chemistry; Metallurgy 24 Expired
US7244615B2 Humanized antibodies Chemistry; Metallurgy 22 Expired
US6808901B1 Production of chimeric antibodies Chemistry; Metallurgy 20 Expired
US6583301B1 Lipids Chemistry; Metallurgy 12 Expired
US7332276B2 Methods to increase or decrease bone density Physics 9 Expired
US6734286B2 Interleukin-5 specific recombinant antibodies Chemistry; Metallurgy 8 Expired
US6506881B1 Anti-HMFG antibodies and processes for their production Chemistry; Metallurgy 8 Expired
US6872719B1 Phenylalanine enamide derivatives Human Necessities 7 Expired

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