Prosecution Insights
Last updated: April 19, 2026

Guardant Health Inc.

29 pending office actions

Portfolio Summary

29
Total Pending OAs
10
Final Rejections
19
Non-Final OAs

Pending Office Actions

App #TitleExaminerArt UnitStatusFiled
19362169 SYSTEMS AND METHODS TO DETECT RARE MUTATIONS AND COPY NUMBER VARIATION HORLICK, KENNETH R 1681 Non-Final OA Oct 17, 2025
19342223 DATA PROCESSING ABSTRACTION FOR HIGH PERFORMANCE COMPUTING SYSTEMS RUIZ, ANGELICA 2154 Non-Final OA Sep 26, 2025
19342153 DATA PROCESSING ABSTRACTION FOR HIGH PERFORMANCE COMPUTING SYSTEMS RUIZ, ANGELICA 2154 Final Rejection Sep 26, 2025
19256936 PREDICTIVE MODEL FOR DETERMINING CHANGES IN MOLECULAR STATE LIN, JERRY 1685 Non-Final OA Jul 01, 2025
19018456 METHODS FOR EARLY DETECTION OF CANCER GUSSOW, ANNE 1683 Final Rejection Jan 13, 2025
18920396 GENOMIC AND METHYLATION BIOMARKERS FOR DETERMINING PATIENT RISK OF HEART DISEASE AND NOVEL GENOMIC AND EPIGENOMIC DRUG TARGETS TO DECREASE RISK OF HEART DISEASE AND/OR IMPROVE PATIENT OUTCOME AFTER MYOCARDIAL INFARCTION OR CARDIAC INJURY KHATTAR, RAJESH 3684 Non-Final OA Oct 18, 2024
18506858 METHODS AND COMPOSITIONS FOR COPY-NUMBER INFORMED TISSUE-OF-ORIGIN ANALYSIS JONES, CHRISTINE MICHELLE 1682 Non-Final OA Nov 10, 2023
18470187 METHODS AND COMPOSITIONS FOR QUANTIFYING IMMUNE CELL DNA DAUNER, JOSEPH G 1682 Non-Final OA Sep 19, 2023
18339116 METHODS AND SYSTEMS FOR ANALYZING METHYLATED POLYNUCLEOTIDES WILDER, CYNTHIA B 1681 Non-Final OA Jun 21, 2023
18325759 COMPOSITIONS AND METHODS FOR ENRICHING METHYLATED POLYNUCLEOTIDES YU, TIAN NMN 1681 Non-Final OA May 30, 2023
18152042 METHODS OF DETECTING GENOMIC REARRANGEMENTS USING CELL FREE NUCLEIC ACIDS GRAY, JESSICA 1682 Final Rejection Jan 09, 2023
18050855 METHODS AND SYSTEMS FOR IMPROVING PATIENT MONITORING AFTER SURGERY SALMON, KATHERINE D 1682 Non-Final OA Oct 28, 2022
17693744 Machine Learning for Somatic Single Nucleotide Variant Detection in Cell-free Tumor Nucleic acid Sequencing Applications ZEMAN, MARY K 1686 Final Rejection Mar 14, 2022
17691049 DETECTING THE PRESENCE OF A TUMOR BASED ON OFF-TARGET POLYNUCLEOTIDE SEQUENCING DATA KALLAL, ROBERT JAMES 1685 Non-Final OA Mar 09, 2022
17682759 DETERMINING CELL TYPE ORIGIN OF CIRCULATING CELL-FREE DNA WITH MOLECULAR COUNTING HANEY, AMANDA MARIE 1682 Non-Final OA Feb 28, 2022
17489677 METHODS AND SYSTEMS TO IMPROVE THE SIGNAL TO NOISE RATIO OF DNA METHYLATION PARTITIONING ASSAYS SALMON, KATHERINE D 1682 Non-Final OA Sep 29, 2021
17462906 DETECTION AND TREATMENT OF DISEASE EXHIBITING DISEASE CELL HETEROGENEITY AND SYSTEMS AND METHODS FOR COMMUNICATING TEST RESULTS WOITACH, JOSEPH T 1687 Final Rejection Aug 31, 2021
17459743 COMPUTATIONAL DETECTION OF COPY NUMBER VARIATION AT A LOCUS IN THE ABSENCE OF DIRECT MEASUREMENT OF THE LOCUS ANDERSON-FEARS, KEENAN NEIL 1687 Final Rejection Aug 27, 2021
17407000 METHODS AND SYSTEMS FOR DETERMINING THE CELLULAR ORIGIN OF CELL-FREE DNA ZEMAN, MARY K 1686 Non-Final OA Aug 19, 2021
17219338 DETERMINING TUMOR FRACTION FOR A SAMPLE BASED ON METHYL BINDING DOMAIN CALIBRATION DATA HAYES, JONATHAN EDWARD 1685 Non-Final OA Mar 31, 2021
17199286 METHODS FOR CLASSIFYING GENETIC MUTATIONS DETECTED IN CELL-FREE NUCLEIC ACIDS AS TUMOR OR NON-TUMOR ORIGIN SKIBINSKY, ANNA 1635 Final Rejection Mar 11, 2021
17162897 SIGNIFICANCE MODELING OF CLONAL-LEVEL ABSENCE OF TARGET VARIANTS VASSELL, MEREDITH ABBOTT 1687 Non-Final OA Jan 29, 2021
17135826 METHODS AND SYSTEMS FOR ANALYSIS OF CTCF BINDING REGIONS IN CELL-FREE DNA BAILEY, STEVEN WILLIAM 1687 Final Rejection Dec 28, 2020
17000010 DETECTION AND TREATMENT OF DISEASE EXHIBITING DISEASE CELL HETEROGENEITY AND SYSTEMS AND METHODS FOR COMMUNICATING TEST RESULTS WOITACH, JOSEPH T 1687 Final Rejection Aug 21, 2020
16560752 METHODS AND SYSTEMS FOR DETECTING ALLELIC IMBALANCE IN CELL-FREE NUCLEIC ACID SAMPLES VASSELL, MEREDITH ABBOTT 1687 Non-Final OA Sep 04, 2019
16557931 METHODS AND SYSTEMS FOR DETECTING CONTAMINATION BETWEEN SAMPLES SCHULTZHAUS, JANNA NICOLE 1685 Non-Final OA Aug 30, 2019
16315573 METHODS FOR FRAGMENTOME PROFILING OF CELL-FREE NUCLEIC ACIDS ZEMAN, MARY K 1686 Non-Final OA Jan 04, 2019
15796642 DIAGNOSTIC METHODS WOITACH, JOSEPH T 1687 Final Rejection Oct 27, 2017
15431395 DETECTION AND TREATMENT OF DISEASE EXHIBITING DISEASE CELL HETEROGENEITY AND SYSTEMS AND METHODS FOR COMMUNICATING TEST RESULTS WOITACH, JOSEPH T 1687 Non-Final OA Feb 13, 2017

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