Patent assignee · US · COMPANY

Genpharm International

30Patents
3Active
30Granted
37Portfolio score

Filing activity: Dec 5, 1988 → Apr 29, 2010 · 3 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US5545806A Ransgenic non-human animals for producing heterologous antibodies Chemistry; Metallurgy 1,831 Expired
US5569825A Transgenic non-human animals capable of producing heterologous antibodies of various isotypes Chemistry; Metallurgy 1,648 Expired
US5633425A Transgenic non-human animals capable of producing heterologous antibodies Chemistry; Metallurgy 1,583 Expired
US5625126A Transgenic non-human animals for producing heterologous antibodies Chemistry; Metallurgy 1,510 Expired
US5661016A Transgenic non-human animals capable of producing heterologous antibodies of various isotypes Chemistry; Metallurgy 1,447 Expired
US5770429A Transgenic non-human animals capable of producing heterologous antibodies Chemistry; Metallurgy 887 Expired
US5814318A Transgenic non-human animals for producing heterologous antibodies Chemistry; Metallurgy 641 Expired
US5877397A Transgenic non-human animals capable of producing heterologous antibodies of various isotypes Chemistry; Metallurgy 567 Expired
US5789650A Transgenic non-human animals for producing heterologous antibodies Chemistry; Metallurgy 504 Expired
US5591669A Transgenic mice depleted in a mature lymphocytic cell-type Chemistry; Metallurgy 474 Expired
US5789215A Gene targeting in animal cells using isogenic DNA constructs Chemistry; Metallurgy 393 Expired
US5874299A Transgenic non-human animals capable of producing heterologous antibodies Chemistry; Metallurgy 347 Expired
US5612205A Homologous recombination in mammalian cells Chemistry; Metallurgy 226 Expired
US5304489A DNA sequences to target proteins to the mammary gland for efficient secretion Chemistry; Metallurgy 201 Expired
US6255458A High affinity human antibodies and human antibodies against digoxin Chemistry; Metallurgy 195 Expired
US6300129A Transgenic non-human animals for producing heterologous antibodies Chemistry; Metallurgy 175 Expired
US5175384A Transgenic mice depleted in mature T-cells and methods for making transgenic mice Chemistry; Metallurgy 174 Expired
US5643763A Method for making recombinant yeast artificial chromosomes by minimizing diploid doubling during mating Chemistry; Metallurgy 146 Expired
US6023010A Transgenic non-human animals depleted in a mature lymphocytic cell-type Chemistry; Metallurgy 106 Expired
US5434340A Transgenic mice depleted in mature T-cells and methods for making transgenic mice Chemistry; Metallurgy 77 Expired
US7084260B1 High affinity human antibodies and human antibodies against human antigens Chemistry; Metallurgy 76 Expired
US5981175A Methods for producing recombinant mammalian cells harboring a yeast artificial chromosome Human Necessities 57 Expired
US7041871B1 Transgenic non-human animals capable of producing heterologous antibodies Chemistry; Metallurgy 54 Expired
US6794132B2 Human antibodies Chemistry; Metallurgy 54 Expired
US6653113B1 High efficiency gene targeting in mouse embryonic stem cells Chemistry; Metallurgy 46 Expired

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