US Patent No: 7,070,996

Number of patents in Portfolio can not be more than 2000

Production of cultured human mast cells and basophils for high throughput small molecule drug discovery

ALSO PUBLISHED AS: 20030077824

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Abstract

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Provided are methods for producing and screening proliferated populations of CD34-negative progenitor cells, mucosal mast cells, connective tissue-type mast cells and basophil cells. The methods generate uniform proliferated populations of cells. The proliferated populations contain a uniform population of a size suitable for use in high throughput screening methods, for example, screening for agents that alter exocytosis. The invention includes screening the proliferated populations with at least one candidate bioactive agent, and evaluating the cells to detect a cell with an altered phenotype. The invention also includes isolating a candidate bioactive agent that causes the altered phenotype. Additionally, cells formed according to the described methods are also encompassed by the invention.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
RIGEL PHARMACEUTICALS, INC.SOUTH SAN FRANCISCO, CA285

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Rossi, Alexander B San Francisco, CA 42 774

Cited Art Landscape

Patent Info (Count) # Cites Year
 
CELLDEX THERAPEUTICS, INC. (3)
5,554,512 Ligands for flt3 receptors 29 1994
5,843,423 Methods of stimulating hematopoietic cells with flt3-ligand 50 1997
6,190,655 Methods of using Flt-3 ligand for exogenous gene transfer 14 1998
 
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (1)
6,225,044 Method for gene transfer into cells activated from a quiescent state 4 1999
 
DANA-FARBER CANCER INSTITUTE, INC. (1)
4,559,310 Assay methods and systems utilizing mast cell clones 14 1983
 
NORTHWESTERN UNIVERSITY (1)
6,261,841 Compositions, kits, and methods for modulating survival and differentiation of multi-potential hematopoietic progenitor cells 3 2000

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
RIGEL PHARMACEUTICALS, INC. (11)
7,557,210 2,4-pyrimidinediamine compounds and their uses 34 2003
8,178,671 Methods of treating or preventing autoimmune diseases with 2, 4-pyrimidinediamine compounds 5 2004
7,521,560 2-substituted quinoline compounds and their uses 0 2005
7,435,814 2,4-Pyrimidinediamine compounds and their uses 19 2005
7,582,648 Methods of treating or preventing autoimmune diseases with 2,4-pyrimidinediamine compounds 28 2006
7,452,879 Methods of treating or preventing autoimmune diseases with 2,4-pyrimidinediamine compounds 34 2006
7,659,280 2,4-pyrimidinediamine compounds for treating or preventing autoimmune diseases 6 2007
7,655,797 Intermediates for making 2,4-pyrimidinediamine compounds 13 2008
7,803,939 2,4-pyrimidinediamine compounds and their uses 11 2008
8,334,296 2,4-pyrimidinediamine compounds and their uses 0 2008
8,314,093 2,4-pyrimidinediamine compounds for treating or preventing autoimmune diseases 0 2009

Maintenance Fees

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11.5 Year Payment $7400.00 $3700.00 $1850.00 Jan 4, 2018
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Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00

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