Patents by Inventor Julie Sheung

Julie Sheung 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).

  • Ubiquitin ligase assay
    Patent number: 7781182
    Abstract: The invention relates to assays for measuring ubiquitin ligase activity and for identifying modulators of ubiquitin ligase enzymes.
    Type: Grant
    Filed: January 9, 2006
    Date of Patent: August 24, 2010
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Sarkiz D. Issakani, Jianing Huang, Julie Sheung, Todd R. Pray
  • UBIQUITIN LIGASE ASSAY
    Publication number: 20090263831
    Abstract: The invention relates to assays for measuring ubiquitin ligase activity and for identifying modulators of ubiquitin ligase enzymes.
    Type: Application
    Filed: October 4, 2006
    Publication date: October 22, 2009
    Inventors: Sarkiz D. Issakani, Jianing Huang, Julie Sheung, Todd R. Pray
  • Assays for identifying ubiquitin agents and for identifying agents that modify the activity of ubiquitin agents
    Patent number: 7524642
    Abstract: Provided are methods and compositions for assaying for ubiquitin agents that are enzymatic components of ubiquitin-mediated proteolysis and, more particularly, methods and compositions for assaying for agents that modulate the activity of such ubiquitin agents.
    Type: Grant
    Filed: October 2, 2006
    Date of Patent: April 28, 2009
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Sarkiz D. Issakani, Jianing Huang, Julie Sheung, Todd R. Pray
  • ASSAYS FOR IDENTIFYING UBIQUITIN AGENTS AND FOR IDENTIFYING AGENTS THAT MODIFY THE ACTIVITY OF UBIQUITIN AGENTS
    Publication number: 20080064117
    Abstract: Provided are methods and compositions for assaying for ubiquitin agents that are enzymatic components of ubiquitin-mediated proteolysis and, more particularly, methods and compositions for assaying for agents that modulate the activity of such ubiquitin agents.
    Type: Application
    Filed: October 2, 2006
    Publication date: March 13, 2008
    Applicant: Rigel Pharmaceuticals, Inc.
    Inventors: Sarkiz D. Issakani, Jianing Huang, Julie Sheung, Todd R. Pray
  • ASSAYS FOR IDENTIFYING UBIQUITIN AGENTS AND FOR IDENTIFYING AGENTS THAT MODIFY THE ACTIVITY OF UBIQUITIN AGENTS
    Publication number: 20080009021
    Abstract: Provided are methods and compositions for assaying for ubiquitin agents that are enzymatic components of ubiquitin-mediated proteolysis and, more particularly, methods and compositions for assaying for agents that modulate the activity of such ubiquitin agents.
    Type: Application
    Filed: October 2, 2006
    Publication date: January 10, 2008
    Inventors: Sarkiz Issakani, Jianing Huang, Julie Sheung, Todd Pray
  • Assays for identifying ubiquitin agents and for identifying agents that modify the activity of ubiquitin agents
    Publication number: 20060115864
    Abstract: Provided are methods and compositions for assaying for ubiquitin agents that are enzymatic components of ubiquitin-mediated proteolysis and, more particularly, methods and compositions for assaying for agents that modulate the activity of such ubiquitin agents.
    Type: Application
    Filed: March 25, 2005
    Publication date: June 1, 2006
    Applicant: Rigel Pharmaceuticals, Inc.
    Inventors: Sarkiz Issakani, Jianing Huang, Julie Sheung, Todd Pray
  • Ubiquitin ligase assay
    Publication number: 20060105409
    Abstract: The invention relates to assays for measuring ubiquitin ligase activity and for identifying modulators of ubiquitin ligase enzymes.
    Type: Application
    Filed: January 9, 2006
    Publication date: May 18, 2006
    Applicant: Rigel Pharmaceuticals, Incorporated
    Inventors: Sarkiz Issakani, Jianing Huang, Julie Sheung, Todd Pray
  • Ubiquitin conjugation assays
    Patent number: 7022493
    Abstract: The invention relates to assays for measuring ubiquitin ligase activity and for identifying modulators of ubiquitin ligase enzymes.
    Type: Grant
    Filed: April 28, 2004
    Date of Patent: April 4, 2006
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Sarkiz D. Issakani, Jianing Huang, Julie Sheung, Todd R. Pray
  • Assays for identifying ubiquitin agents and for identifying agents that modify the activity of ubiquitin agents
    Patent number: 6979551
    Abstract: Provided are methods and compositions for assaying for ubiquitin agents that are enzymatic components of ubiquitin-mediated proteolysis and, more particularly, methods and compositions for assaying for agents that modulate the activity of such ubiquitin agents.
    Type: Grant
    Filed: May 20, 2002
    Date of Patent: December 27, 2005
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Sarkiz D. Issakani, Jianing Huang, Julie Sheung, Todd R. Pray
  • Assays for identifying ubiquitin agents and for identifying agents that modify the activity of ubiquitin agents
    Patent number: 6919184
    Abstract: Provided are methods and compositions for assaying for ubiquitin agents that are enzymatic components of ubiquitin-mediated proteolysis and, more particularly, methods and compositions for assaying for agents that modulate the activity of such ubiquitin agents.
    Type: Grant
    Filed: March 26, 2002
    Date of Patent: July 19, 2005
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Sarkiz D. Issakani, Jianing Huang, Julie Sheung, Todd R. Pray
  • Ubiquitin conjugation assay
    Publication number: 20050032139
    Abstract: The invention relates to assays for measuring ubiquitin ligase activity and for identifying modulators of ubiquitin ligase enzymes.
    Type: Application
    Filed: April 28, 2004
    Publication date: February 10, 2005
    Applicant: Rigel Pharmaceuticals, Inc.
    Inventors: Sarkiz Issakani, Jianing Huang, Julie Sheung, Todd Pray
  • Ubiquitin ligase assay
    Patent number: 6740495
    Abstract: The invention relates to assays for measuring ubiquitin ligase activity and for identifying modulators of ubiquitin ligase enzymes.
    Type: Grant
    Filed: April 3, 2000
    Date of Patent: May 25, 2004
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Sarkiz D. Issakani, Jianing Huang, Julie Sheung
  • Ubiquitin ligase assay
    Patent number: 6737244
    Abstract: The invention relates to assays for measuring ubiquitin ligase activity and for identifying modulators of ubiquitin ligase enzymes.
    Type: Grant
    Filed: April 3, 2001
    Date of Patent: May 18, 2004
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Sarkiz D. Issakani, Jianing Huang, Julie Sheung, Todd R. Pray
  • Assays for identifying ubiquitin agents and for identifying agents that modify the activity of ubiquitin agents
    Publication number: 20030108947
    Abstract: Provided are methods and compositions for assaying for ubiquitin agents that are enzymatic components of ubiquitin-mediated proteolysis and, more particularly, methods and compositions for assaying for agents that modulate the activity of such ubiquitin agents.
    Type: Application
    Filed: May 20, 2002
    Publication date: June 12, 2003
    Inventors: Sarkiz D. Issakani, Jianing Huang, Julie Sheung, Todd R. Pray
  • Assays for identifying ubiquitin agents and for identifying agents that modify the activity of ubiquitin agents
    Publication number: 20030104474
    Abstract: Provided are methods and compositions for assaying for ubiquitin agents that are enzymatic components of ubiquitin-mediated proteolysis and, more particularly, methods and compositions for assaying for agents that modulate the activity of such ubiquitin agents.
    Type: Application
    Filed: March 26, 2002
    Publication date: June 5, 2003
    Inventors: Sarkiz D. Issakani, Jianing Huang, Julie Sheung, Todd R. Pray
  • Ubiquitin ligase assay
    Publication number: 20020042083
    Abstract: The invention relates to assays for measuring ubiquitin ligase activity and for identifying modulators of ubiquitin ligase enzymes.
    Type: Application
    Filed: April 3, 2001
    Publication date: April 11, 2002
    Applicant: RIGEL PHARMACEUTICALS, INC.
    Inventors: Sarkiz D. Issakani, Jianing Huang, Julie Sheung, Todd R. Pray