Patents by Inventor Lilley Leong

Lilley Leong 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: 10266583
    Abstract: This disclosure relates to variant Factor VIII polypeptides comprising an amino acid substitution at one or more positions within one or both of the thrombin cleavage site and the activation loop. In certain embodiments, the variant Factor VIII polypeptide comprises one or more amino acid substitutions within both the thrombin cleavage site and the activation loop. In further embodiments, the variant factor VIII polypeptide further comprises one or more amino acid substitutions within the A1-A2 domain interface and the A2-A3 domain interface. The present disclosure further relates to methods of producing and/or using such variant Factor VIII polypeptides; nucleic acids encoding the polypeptides; vectors and/or recombinant cells, tissues, or organisms containing such nucleic acids; and kits and pharmaceutical compositions containing such polypeptides and/or nucleic acids.
    Type: Grant
    Filed: January 23, 2018
    Date of Patent: April 23, 2019
    Assignee: BAYER HEALTHCARE, LLC
    Inventors: Uwe Gritzan, Peter Kretschmer, Lilley Leong, Chandra Patel
  • Publication number: 20180148495
    Abstract: This disclosure relates to variant Factor VIII polypeptides comprising an amino acid substitution at one or more positions within one or both of the thrombin cleavage site and the activation loop. In certain embodiments, the variant Factor VIII polypeptide comprises one or more amino acid substitutions within both the thrombin cleavage site and the activation loop. In further embodiments, the variant factor VIII polypeptide further comprises one or more amino acid substitutions within the A1-A2 domain interface and the A2-A3 domain interface. The present disclosure further relates to methods of producing and/or using such variant Factor VIII polypeptides; nucleic acids encoding the polypeptides; vectors and/or recombinant cells, tissues, or organisms containing such nucleic acids; and kits and pharmaceutical compositions containing such polypeptides and/or nucleic acids.
    Type: Application
    Filed: January 23, 2018
    Publication date: May 31, 2018
    Applicant: BAYER HEALTHCARE LLC
    Inventors: Uwe GRITZAN, Peter KRETSCHMER, Lilley LEONG, Chandra PATEL
  • Patent number: 9914764
    Abstract: This disclosure relates to variant Factor VIII polypeptides comprising an amino acid substitution at one or more positions within one or both of the thrombin cleavage site and the activation loop. In certain embodiments, the variant Factor VIII polypeptide comprises one or more amino acid substitutions within both the thrombin cleavage site and the activation loop. In further embodiments, the variant factor VIII polypeptide further comprises one or more amino acid substitutions within the A1-A2 domain interface and the A2-A3 domain interface. The present disclosure further relates to methods of producing and/or using such variant Factor VIII polypeptides; nucleic acids encoding the polypeptides; vectors and/or recombinant cells, tissues, or organisms containing such nucleic acids; and kits and pharmaceutical compositions containing such polypeptides and/or nucleic acids.
    Type: Grant
    Filed: March 14, 2014
    Date of Patent: March 13, 2018
    Assignee: BAYER HEALTHCARE, LLC
    Inventors: Uwe Gritzan, Peter Kretschmer, Lilley Leong, Chandra Patel
  • Publication number: 20160031968
    Abstract: This disclosure relates to variant Factor VIII polypeptides comprising an amino acid substitution at one or more positions within one or both of the thrombin cleavage site and the activation loop. In certain embodiments, the variant Factor VIII polypeptide comprises one or more amino acid substitutions within both the thrombin cleavage site and the activation loop. In further embodiments, the variant factor VIII polypeptide further comprises one or more amino acid substitutions within the A1-A2 domain interface and the A2-A3 domain interface. The present disclosure further relates to methods of producing and/or using such variant Factor VIII polypeptides; nucleic acids encoding the polypeptides; vectors and/or recombinant cells, tissues, or organisms containing such nucleic acids; and kits and pharmaceutical compositions containing such polypeptides and/or nucleic acids.
    Type: Application
    Filed: March 14, 2014
    Publication date: February 4, 2016
    Applicant: BAYER HEALTHCARE LLC
    Inventors: Uwe GRITZAN, Peter KRETSCHMER, Lilley LEONG, Chandra PATEL
  • Publication number: 20130344519
    Abstract: In some embodiments, a method is provided that includes (1) obtaining a plasma sample from a patient; (2) performing a coagulation assay on the plasma sample; (3) measuring a coagulation property of the plasma sample using a coagulation analyzer so as to generate measured data; (3) performing waveform analysis on the measured data so as to obtain turbidity characteristics; and (4) employing the waveform analysis to determine a coagulation status of the coagulation assay not provided by the coagulation analyzer. Numerous other embodiments are provided.
    Type: Application
    Filed: June 25, 2013
    Publication date: December 26, 2013
    Inventors: Lilley Leong, Philip Ramsey
  • Publication number: 20040121373
    Abstract: The invention relates to methods and compositions for the fragmentation of DNA.
    Type: Application
    Filed: September 18, 2003
    Publication date: June 24, 2004
    Inventors: Ernest J. Friedlander, Lilley Leong