Patents by Inventor Stefanie Ann Ward MORTIMER

Stefanie Ann Ward MORTIMER 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).

  • Publication number: 20240136014
    Abstract: The present disclosure provides a method for enriching for multiple genomic regions using a first bait set that selectively hybridizes to a first set of genomic regions of a nucleic acid sample and a second bait set that selectively hybridizes to a second set of genomic regions of the nucleic acid sample. These bait set panels can selectively enrich for one or more nucleosome-associated regions of a genome, said nucleosome-associated regions comprising genomic regions having one or more genomic base positions with differential nucleosomal occupancy, wherein the differential nucleosomal occupancy is characteristic of a cell or tissue type of origin or disease state.
    Type: Application
    Filed: October 5, 2023
    Publication date: April 25, 2024
    Inventors: Darya CHUDOVA, Helmy ELTOUKHY, Stefanie Ann Ward MORTIMER, Diana ABDUEVA
  • Publication number: 20240132950
    Abstract: Disclosed herein in are methods and systems for determining genetic variants (e.g., copy number variation) in a polynucleotide sample. A method for determining copy number variations includes tagging double-stranded polynucleotides with duplex tags, sequencing polynucleotides from the sample and estimating total number of polynucleotides mapping to selected genetic loci. The estimate of total number of polynucleotides can involve estimating the number of double-stranded polynucleotides in the original sample for which no sequence reads are generated. This number can be generated using the number of polynucleotides for which reads for both complementary strands are detected and reads for which only one of the two complementary strands is detected.
    Type: Application
    Filed: December 11, 2023
    Publication date: April 25, 2024
    Inventors: AmirAli TALASAZ, Helmy ELTOUKHY, Stefanie Ann Ward MORTIMER
  • Patent number: 11959139
    Abstract: Disclosed herein in are methods and systems for determining genetic variants (e.g., copy number variation) in a polynucleotide sample. A method for determining copy number variations includes tagging double-stranded polynucleotides with duplex tags, sequencing polynucleotides from the sample and estimating total number of polynucleotides mapping to selected genetic loci. The estimate of total number of polynucleotides can involve estimating the number of double-stranded polynucleotides in the original sample for which no sequence reads are generated. This number can be generated using the number of polynucleotides for which reads for both complementary strands are detected and reads for which only one of the two complementary strands is detected.
    Type: Grant
    Filed: May 12, 2023
    Date of Patent: April 16, 2024
    Assignee: Guardant Health, Inc.
    Inventors: AmirAli Talasaz, Helmy Eltoukhy, Stefanie Ann Ward Mortimer
  • Patent number: 11952616
    Abstract: The disclosure provides methods for processing nucleic acid populations containing different forms (e.g., RNA and DNA, single-stranded or double-stranded) and/or extents of modification (e.g., cytosine methylation, association with proteins). These methods accommodate multiple forms and/or modifications of nucleic acid in a sample, such that sequence information can be obtained for multiple forms. The methods also preserve the identity of multiple forms or modified states through processing and analysis, such that analysis of sequence can be combined with epigenetic analysis.
    Type: Grant
    Filed: December 5, 2022
    Date of Patent: April 9, 2024
    Assignee: Guardant Health, Inc.
    Inventors: Andrew Kennedy, Stefanie Ann Ward Mortimer, Helmy Eltoukhy, AmirAli Talasaz, Diana Abdueva
  • Publication number: 20240087680
    Abstract: The present disclosure provides a method for enriching for multiple genomic regions using a first bait set that selectively hybridizes to a first set of genomic regions of a nucleic acid sample and a second bait set that selectively hybridizes to a second set of genomic regions of the nucleic acid sample. These bait set panels can selectively enrich for one or more nucleosome-associated regions of a genome, said nucleosome-associated regions comprising genomic regions having one or more genomic base positions with differential nucleosomal occupancy, wherein the differential nucleosomal occupancy is characteristic of a cell or tissue type of origin or disease state.
    Type: Application
    Filed: November 7, 2023
    Publication date: March 14, 2024
    Inventors: Darya CHUDOVA, Helmy ELTOUKHY, Stefanie Ann Ward MORTIMER, DIANA ABDUEVA
  • Publication number: 20240087681
    Abstract: The present disclosure provides a method for enriching for multiple genomic regions using a first bait set that selectively hybridizes to a first set of genomic regions of a nucleic acid sample and a second bait set that selectively hybridizes to a second set of genomic regions of the nucleic acid sample. These bait set panels can selectively enrich for one or more nucleosome-associated regions of a genome, said nucleosome-associated regions comprising genomic regions having one or more genomic base positions with differential nucleosomal occupancy, wherein the differential nucleosomal occupancy is characteristic of a cell or tissue type of origin or disease state.
    Type: Application
    Filed: November 10, 2023
    Publication date: March 14, 2024
    Inventors: Darya CHUDOVA, Helmy ELTOUKHY, Stefanie Ann Ward MORTIMER, DIANA ABDUEVA
  • Patent number: 11913065
    Abstract: The present disclosure provides a system and method for the detection of rare mutations and copy number variations in cell free polynucleotides. Generally, the systems and methods comprise sample preparation, or the extraction and isolation of cell free polynucleotide sequences from a bodily fluid; subsequent sequencing of cell free polynucleotides by techniques known in the art; and application of bioinformatics tools to detect rare mutations and copy number variations as compared to a reference. The systems and methods also may contain a database or collection of different rare mutations or copy number variation profiles of different diseases, to be used as additional references in aiding detection of rare mutations, copy number variation profiling or general genetic profiling of a disease.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: February 27, 2024
    Assignee: Guardent Health, Inc.
    Inventors: AmirAli Talasaz, Stefanie Ann Ward Mortimer
  • Publication number: 20240043922
    Abstract: Disclosed herein in are methods and systems for determining genetic variants (e.g., copy number variation) in a polynucleotide sample. A method for determining copy number variations includes tagging double-stranded polynucleotides with duplex tags, sequencing polynucleotides from the sample and estimating total number of polynucleotides mapping to selected genetic loci. The estimate of total number of polynucleotides can involve estimating the number of double-stranded polynucleotides in the original sample for which no sequence reads are generated. This number can be generated using the number of polynucleotides for which reads for both complementary strands are detected and reads for which only one of the two complementary strands is detected.
    Type: Application
    Filed: October 20, 2023
    Publication date: February 8, 2024
    Inventors: AmirAli TALASAZ, Helmy ELTOUKHY, Stefanie Ann Ward MORTIMER
  • Patent number: 11891653
    Abstract: Provided herein is a DNA analysis method comprising partitioning a sample into at least a first subsample and a second subsample, wherein the first subsample comprises DNA (e.g., cell-free DNA) with a cytosine modification in a greater proportion; the first subsample undergoes a procedure that affects a first nucleobase in the DNA differently from a second nucleobase in the DNA of the first subsample; and DNA is sequenced to distinguish the first nucleobase from the second nucleobase. Also provided is a combination comprising first and second populations of captured DNA, wherein the first population comprises or was derived from DNA with a cytosine modification in a greater proportion than the second population, and wherein the first population comprises a form of a first nucleobase originally present in the DNA with altered base pairing specificity and a second nucleobase without altered base pairing specificity.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: February 6, 2024
    Assignee: Guardant Health, Inc.
    Inventors: Stefanie Ann Ward Mortimer, William J. Greenleaf
  • Publication number: 20240018582
    Abstract: Disclosed herein in are methods and systems for determining genetic variants (e.g., copy number variation) in a polynucleotide sample. A method for determining copy number variations includes tagging double-stranded polynucleotides with duplex tags, sequencing polynucleotides from the sample and estimating total number of polynucleotides mapping to selected genetic loci. The estimate of total number of polynucleotides can involve estimating the number of double-stranded polynucleotides in the original sample for which no sequence reads are generated. This number can be generated using the number of polynucleotides for which reads for both complementary strands are detected and reads for which only one of the two complementary strands is detected.
    Type: Application
    Filed: May 12, 2023
    Publication date: January 18, 2024
    Inventors: AmirAli TALASAZ, Helmy ELTOUKHY, Stefanie Ann Ward MORTIMER
  • Patent number: 11827942
    Abstract: Disclosed herein are methods, compositions, and devices for use in the early detection of cancer. The methods include preparing cell-free nucleic acid molecules from a subject for sequencing, sequencing a panel of regions in the cell-free nucleic acid molecules, and detecting one or more markers that are indicative of a cancer.
    Type: Grant
    Filed: January 19, 2023
    Date of Patent: November 28, 2023
    Assignee: Guardant Health, Inc.
    Inventors: Stefanie Ann Ward Mortimer, AmirAli Talasaz, Darya Chudova, Helmy Eltoukhy
  • Patent number: 11817179
    Abstract: The present disclosure provides a method for enriching for multiple genomic regions using a first bait set that selectively hybridizes to a first set of genomic regions of a nucleic acid sample and a second bait set that selectively hybridizes to a second set of genomic regions of the nucleic acid sample. These bait set panels can selectively enrich for one or more nucleosome-associated regions of a genome, said nucleosome-associated regions comprising genomic regions having one or more genomic base positions with differential nucleosomal occupancy, wherein the differential nucleosomal occupancy is characteristic of a cell or tissue type of origin or disease state.
    Type: Grant
    Filed: January 17, 2023
    Date of Patent: November 14, 2023
    Assignee: Guardant Health, Inc.
    Inventors: Darya Chudova, Helmy Eltoukhy, Stefanie Ann Ward Mortimer, Diana Abdueva
  • Patent number: 11817177
    Abstract: The present disclosure provides a method for enriching for multiple genomic regions using a first bait set that selectively hybridizes to a first set of genomic regions of a nucleic acid sample and a second bait set that selectively hybridizes to a second set of genomic regions of the nucleic acid sample. These bait set panels can selectively enrich for one or more nucleosome-associated regions of a genome, said nucleosome-associated regions comprising genomic regions having one or more genomic base positions with differential nucleosomal occupancy, wherein the differential nucleosomal occupancy is characteristic of a cell or tissue type of origin or disease state.
    Type: Grant
    Filed: November 14, 2022
    Date of Patent: November 14, 2023
    Assignee: Guardant Health, Inc.
    Inventors: Darya Chudova, Helmy Eltoukhy, Stefanie Ann Ward Mortimer, Diana Abdueva
  • Publication number: 20230332206
    Abstract: The disclosure provides methods for processing nucleic acid populations containing different forms (e.g., RNA and DNA, single-stranded or double-stranded) and/or extents of modification (e.g., cytosine methylation, association with proteins). These methods accommodate multiple forms and/or modifications of nucleic acid in a sample, such that sequence information can be obtained for multiple forms. The methods also preserve the identity of multiple forms or modified states through processing and analysis, such that analysis of sequence can be combined with epigenetic analysis.
    Type: Application
    Filed: December 5, 2022
    Publication date: October 19, 2023
    Inventors: Andrew KENNEDY, Stefanie Ann Ward MORTIMER, Helmy ELTOUKHY, AmirAli TALASAZ, DIANA ABDUEVA
  • Patent number: 11788153
    Abstract: Disclosed herein are methods, compositions, and devices for use in the early detection of cancer. The methods include preparing cell-free nucleic acid molecules from a subject for sequencing, sequencing a panel of regions in the cell-free nucleic acid molecules, and detecting one or more markers that are indicative of a cancer.
    Type: Grant
    Filed: October 19, 2022
    Date of Patent: October 17, 2023
    Assignee: Guardant Health, Inc.
    Inventors: Stefanie Ann Ward Mortimer, AmirAli Talasaz, Darya Chudova, Helmy Eltoukhy
  • Publication number: 20230313315
    Abstract: Disclosed herein are methods, compositions, and devices for use in the early detection of cancer. The methods include preparing cell-free nucleic acid molecules from a subject for sequencing, sequencing a panel of regions in the cell-free nucleic acid molecules, and detecting one or more markers that are indicative of a cancer.
    Type: Application
    Filed: January 19, 2023
    Publication date: October 5, 2023
    Inventors: Stefanie Ann Ward MORTIMER, AmirAli TALASAZ, Darya CHUDOVA, Helmy ELTOUKHY
  • Patent number: 11767556
    Abstract: Disclosed herein in are methods and systems for determining genetic variants (e.g., copy number variation) in a polynucleotide sample. A method for determining copy number variations includes tagging double-stranded polynucleotides with duplex tags, sequencing polynucleotides from the sample and estimating total number of polynucleotides mapping to selected genetic loci. The estimate of total number of polynucleotides can involve estimating the number of double-stranded polynucleotides in the original sample for which no sequence reads are generated. This number can be generated using the number of polynucleotides for which reads for both complementary strands are detected and reads for which only one of the two complementary strands is detected.
    Type: Grant
    Filed: October 27, 2021
    Date of Patent: September 26, 2023
    Assignee: Guardant Health, Inc.
    Inventors: AmirAli Talasaz, Helmy Eltoukhy, Stefanie Ann Ward Mortimer
  • Publication number: 20230272468
    Abstract: Disclosed herein in are methods and systems for determining genetic variants (e.g., copy number variation) in a polynucleotide sample. A method for determining copy number variations includes tagging double-stranded polynucleotides with duplex tags, sequencing polynucleotides from the sample and estimating total number of polynucleotides mapping to selected genetic loci. The estimate of total number of polynucleotides can involve estimating the number of double-stranded polynucleotides in the original sample for which no sequence reads are generated. This number can be generated using the number of polynucleotides for which reads for both complementary strands are detected and reads for which only one of the two complementary strands is detected.
    Type: Application
    Filed: May 12, 2023
    Publication date: August 31, 2023
    Inventors: AmirAli TALASAZ, Helmy ELTOUKHY, Stefanie Ann Ward MORTIMER
  • Publication number: 20230260596
    Abstract: The present disclosure provides a method for enriching for multiple genomic regions using a first bait set that selectively hybridizes to a first set of genomic regions of a nucleic acid sample and a second bait set that selectively hybridizes to a second set of genomic regions of the nucleic acid sample. These bait set panels can selectively enrich for one or more nucleosome-associated regions of a genome, said nucleosome-associated regions comprising genomic regions having one or more genomic base positions with differential nucleosomal occupancy, wherein the differential nucleosomal occupancy is characteristic of a cell or tissue type of origin or disease state.
    Type: Application
    Filed: January 17, 2023
    Publication date: August 17, 2023
    Inventors: Darya CHUDOVA, Helmy ELTOUKHY, Stefanie Ann Ward MORTIMER, DIANA ABDUEVA
  • Publication number: 20230253071
    Abstract: The present disclosure provides a method for enriching for multiple genomic regions using a first bait set that selectively hybridizes to a first set of genomic regions of a nucleic acid sample and a second bait set that selectively hybridizes to a second set of genomic regions of the nucleic acid sample. These bait set panels can selectively enrich for one or more nucleosome-associated regions of a genome, said nucleosome-associated regions comprising genomic regions having one or more genomic base positions with differential nucleosomal occupancy, wherein the differential nucleosomal occupancy is characteristic of a cell or tissue type of origin or disease state.
    Type: Application
    Filed: November 14, 2022
    Publication date: August 10, 2023
    Inventors: Darya CHUDOVA, Helmy ELTOUKHY, Stefanie Ann Ward MORTIMER, DIANA ABDUEVA