Patents by Inventor Sambaiah Thota

Sambaiah Thota has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7947698
    Abstract: The invention encompasses compounds having formula I and the compositions and methods using these compounds in the treatment of conditions in which modulation of the JAK pathway or inhibition of JAK kinases, particularly JAK3, are therapeutically useful.
    Type: Grant
    Filed: March 21, 2008
    Date of Patent: May 24, 2011
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Andy Atuegbu, Vadim Markovtsov, Somasekhar Bhamidipati, Rajinder Singh, Vanessa Taylor, Sambaiah Thota, Jeffrey Wayne Clough, David Carroll, Hui Li, Robin Cooper
  • Publication number: 20110082146
    Abstract: The invention encompasses compounds having formula I and the compositions and methods using these compounds in the treatment of conditions in which modulation of the JAK pathway or inhibition of JAK kinases, particularly JAK3, are therapeutically useful.
    Type: Application
    Filed: December 13, 2010
    Publication date: April 7, 2011
    Applicant: RIGEL PHARMACEUTICALS, INC.
    Inventors: Andy Atuegbu, Vadim Markovtsov, Somasekhar Bhamidipati, Rajinder Singh, Vanessa Taylor, Sambaiah Thota, Jeffrey Wayne Clough, David Carroll, Hui Li, Robin Cooper
  • Patent number: 7915273
    Abstract: The invention encompasses compounds having formula I and the compositions and methods using these compounds in the treatment of conditions in which modulation of the JAK pathway or inhibition of JAK kinases, particularly JAK3, are therapeutically useful.
    Type: Grant
    Filed: February 24, 2010
    Date of Patent: March 29, 2011
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Ankush Argade, Arvinder Sran, David Carroll, Jeffrey Clough, Kin Tso, Somasekhar Bhamidipati, Sambaiah Thota, Rajinder Singh, Vanessa Taylor, Hui Li, Esteban Masuda
  • Publication number: 20110027856
    Abstract: The invention encompasses compounds having formula I and the compositions and methods using these compounds in the treatment of conditions in which modulation of the JAK pathway or inhibition of JAK kinases, particularly JAK3, are therapeutically useful.
    Type: Application
    Filed: October 11, 2010
    Publication date: February 3, 2011
    Applicant: RIGEL PHARMACEUTICALS, INC.
    Inventors: Hui Li, Vanessa Taylor, Somasekhar Bhamidipati, John Ramphal, Kin Tso, Arvinder Sran, Holger Keim, Vadim Markovtsov, David Carroll, Sambaiah Thota, Ankush Argade, Jeffrey Wayne Clough, Rajinder Singh, Robin Cooper
  • Patent number: 7868013
    Abstract: The present disclosure provides 2,4-pyrimidinediamine compounds having antiproliferative activity, compositions comprising the compounds and methods of using the compounds to inhibit cellular proliferation and to treat proliferate diseases such as tumorigenic cancers.
    Type: Grant
    Filed: December 6, 2006
    Date of Patent: January 11, 2011
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Hui Li, Ankush Argade, Rajinder Singh, Sambaiah Thota, David Carroll, Kin Tso, Vanessa Taylor, John McLaughlin, Mark Markovtsov
  • Patent number: 7858633
    Abstract: The present disclosure provides 2,4-pyrimidinediamine compounds having antiproliferative activity, compositions comprising the compounds and methods of using the compounds to inhibit cellular proliferation and to treat proliferate diseases such as tumorigenic cancers.
    Type: Grant
    Filed: December 6, 2006
    Date of Patent: December 28, 2010
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Hui Li, Ankush Argade, Rajinder Singh, Sambaiah Thota, David Carroll, Kin Tso, Vanessa Taylor, John McLaughlin, Mark Markovtsov
  • Patent number: 7834024
    Abstract: The invention encompasses compounds having formula I and the compositions and methods using these compounds in the treatment of conditions in which modulation of the JAK pathway or inhibition of JAK kinases, particularly JAK3, are therapeutically useful.
    Type: Grant
    Filed: March 21, 2008
    Date of Patent: November 16, 2010
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Hui Li, Vanessa Taylor, Somasekhar Bhamidipati, John Ramphal, Kin Tso, Avinder Sran, Holger Keim, Vadim Markovtsov, David Carroll, Sambaiah Thota, Ankush Argade, Jeffrey Wayne Clough, Rajinder Singh, Robin Cooper
  • Publication number: 20100190770
    Abstract: Disclosed are compounds of formula I, compositions containing them, and methods of use for the compounds and compositions in the treatment of conditions in which modulation of the JAK pathway or inhibition of JAK kinases, particularly JAK 2 and JAK3, are therapeutically useful.
    Type: Application
    Filed: January 22, 2010
    Publication date: July 29, 2010
    Applicant: RIGEL PHARMACEUTICALS, INC.
    Inventors: Hui Li, Thilo J. Heckrodt, Yan Chen, Darren John McMurtrie, Vanessa Taylor, Rajinder Singh, Pingyu Ding, Sambaiah Thota, Rose Yen
  • Publication number: 20100179134
    Abstract: The present invention provides pyrimidinediamine compounds useful for inhibiting kinase activity, including the activity of polo-like kinase 1 (PLK1). Also provided are pharmaceutical compositions comprising these compounds and methods of treating diseases associated with kinase activity, in particular enhanced PLK1 catalytic activity, such as diseases associated with abnormal cell proliferation, including neoplastic disorders.
    Type: Application
    Filed: December 29, 2009
    Publication date: July 15, 2010
    Applicant: Rigel Pharmaceuticals, Inc.
    Inventors: Rajinder Singh, Andy Atuegbu, John Ramphal, Hui Li, Marina Gelman, Jeffrey Clough, Carlos Valdez, Somasekhar Bhamidipati, Sambaiah Thota, Darren McMurtrie
  • Patent number: 7754714
    Abstract: The present disclosure provides 2,4-pyrimidinediamine compounds having antiproliferative activity, compositions comprising the compounds and methods of using the compounds to inhibit cellular proliferation and to treat proliferate diseases such as tumorigenic cancers.
    Type: Grant
    Filed: May 18, 2005
    Date of Patent: July 13, 2010
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Hui Li, Ankush Argade, Rajinder Singh, Sambaiah Thota, David Carroll, Kin Tso, Vanessa Taylor, John McLaughlin, Vadim M. V. Markovtsov
  • Publication number: 20100152218
    Abstract: The invention encompasses compounds having formula I and the compositions and methods using these compounds in the treatment of conditions in which modulation of the JAK pathway or inhibition of JAK kinases, particularly JAK3, are therapeutically useful.
    Type: Application
    Filed: February 24, 2010
    Publication date: June 17, 2010
    Applicant: RIGEL PHARMACEUTICALS, INC.
    Inventors: Ankush Argade, Arvinder Sran, David Carroll, Jeffrey Clough, Kin Tso, Somasekhar Bhamidipati, Sambaiah Thota, Rajinder Singh, Vanessa Taylor, Hui Li, Esteban Masuda
  • Publication number: 20090258864
    Abstract: This invention is directed to compounds of formula (I): where n, m, Y, R1, R2, R3, R4 and R5 are disclosed herein, as isolated stereoisomers or mixtures thereof, or as pharmaceutically acceptable salts thereof; pharmaceutical compositions comprising the compounds of formula (I); and methods of using the compounds and the pharmaceutical compositions in treating diseases or conditions associated with JAK2 activity.
    Type: Application
    Filed: February 13, 2009
    Publication date: October 15, 2009
    Applicant: RIGEL PHARMACEUTICALS, INC.
    Inventors: Somasekhar Bhamidipati, Jeffrey Clough, Ankush Argade, Rajinder Singh, Vadim Markovtosov, Pingyu Ding, Jiaxin Yu, Andy Atuegbu, Hui Hong, Ihab Darwish, Sambaiah Thota
  • Patent number: 7569580
    Abstract: The present invention comprises tetrazoloquinoline-compounds that are inhibitors of HCV. Compositions comprising the compounds in combination with a pharmaceutically acceptable carrier are also disclosed, as are methods of using the compounds and compositions to inhibit HCV infection of a cell, particular in the form of treating HCV infection in a mammal.
    Type: Grant
    Filed: June 3, 2005
    Date of Patent: August 4, 2009
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Sambaiah Thota, Rajinder Singh, Guy Laidig, Henry Lu
  • Publication number: 20090186894
    Abstract: The present invention provides N-substituted-heterocycloalkyloxybenzamide compounds, as well as pharmaceutical compositions and methods of use. One embodiment of the invention is a compound having the structure in which R1, R2, R3, R4, T, n, w and x are as described herein. In certain embodiments of the invention, a compound of the present invention activates the AMPK pathway, and can be used to treat metabolism-related disorders and conditions.
    Type: Application
    Filed: December 21, 2007
    Publication date: July 23, 2009
    Applicant: RIGEL PHARMACEUTICALS, INC.
    Inventors: Rajinder Singh, Jiaxin Yu, Hui Hong, Sambaiah Thota, Xiang Xu, Ihab S. Darwish
  • Publication number: 20090170829
    Abstract: Disclosed are carboxamide, sulfonamide and amine compounds, as well as pharmaceutical compositions and methods of use. One embodiment is a compound having the structure in which R1, R2, R4, E, T, n and x are as described herein. In certain embodiments, a compound disclosed herein activates the AMPK pathway, and can be used to treat metabolism-related disorders and conditions.
    Type: Application
    Filed: November 17, 2008
    Publication date: July 2, 2009
    Applicant: RIGEL PHARMACEUTICALS, INC.
    Inventors: Hui Hong, Xiang Xu, Jiaxin Yu, Rajinder Singh, Ihab S. Darwish, Sambaiah Thota
  • Publication number: 20090163511
    Abstract: Disclosed are carboxamide, sulfonamide and amine compounds, as well as pharmaceutical compositions and methods of use. One embodiment is a compound having the structure in which R1, R2, R4, D, E, J, T, p, q and x are as described herein. In certain embodiments, a compound disclosed herein activates the AMPK pathway, and can be used to treat metabolism-related disorders and conditions.
    Type: Application
    Filed: December 12, 2008
    Publication date: June 25, 2009
    Applicant: RIGEL PHARMACEUTICALS, INC.
    Inventors: Ihab S. Darwish, Jiaxin Yu, Hui Hong, Rajinder Singh, Sambaiah Thota, Xiang Xu
  • Publication number: 20090041786
    Abstract: The invention encompasses compounds having formula I-V and the compositions and methods using these compounds in the treatment of conditions in which modulation of the JAK pathway or inhibition of JAK kinases, particularly JAK3, may be therapeutically useful.
    Type: Application
    Filed: August 18, 2008
    Publication date: February 12, 2009
    Inventors: Hui Li, Sambaiah Thota, David Carroll, Ankush Argade, Kin Tso, Arvinder Sran, Jeffrey Clough, Holger Keim, Somasekhar Bhamidipati, Vanessa Taylor, Robin Cooper, Rajinder Singh, Brian Wong
  • Publication number: 20080306099
    Abstract: The invention encompasses compounds having formula I-V and the compositions and methods using these compounds in the treatment of conditions in which modulation of the JAK pathway or inhibition of JAK kinases, particularly JAK3, may be therapeutically useful.
    Type: Application
    Filed: February 12, 2008
    Publication date: December 11, 2008
    Inventors: Hui Li, Sambaiah Thota, David Carroll, Ankush Argade, Kin Tso, Arvinder Sran, Jeffrey Clough, Holger Keim, Somasekhar Bhamidipati, Vanessa Taylor, Robin Cooper, Rajinder Singh, Brian Wong
  • Publication number: 20080279867
    Abstract: The invention encompasses compounds having formula I and the compositions and methods using these compounds in the treatment of conditions in which modulation of the JAK pathway or inhibition of JAK kinases, particularly JAK3, are therapeutically useful.
    Type: Application
    Filed: March 21, 2008
    Publication date: November 13, 2008
    Inventors: Andy Atuegbu, Vadim Markovtsov, Somasekhar Bhamidipati, Rajinder Singh, Vanessa Taylor, Sambaiah Thota, Jeffrey Wayne Clough, David Carroll, Hui Li, Robin Cooper
  • Publication number: 20080260754
    Abstract: The invention encompasses compounds having formula I and the compositions and methods using these compounds in the treatment of conditions in which modulation of the JAK pathway or inhibition of JAK kinases, particularly JAK3, are therapeutically useful.
    Type: Application
    Filed: March 21, 2008
    Publication date: October 23, 2008
    Inventors: Hui Li, Vanessa Taylor, Somasekhar Bhamidipati, John Ramphal, Kin Tso, Avinder Sran, Holger Keim, Vadim Markovtsov, David Carroll, Sambaiah Thota, Ankush Argade, Jeffrey Wayne Clough, Rajinder Singh, Robin Cooper