Prosecution Insights
Last updated: April 19, 2026

Grail, Inc.

16 pending office actions

Portfolio Summary

16
Total Pending OAs
5
Final Rejections
11
Non-Final OAs

Pending Office Actions

App #TitleExaminerArt UnitStatusFiled
18628166 Anomalous Fragment Detection and Classification LIU, GUOZHEN 1686 Non-Final OA Apr 05, 2024
18605798 Models for Targeted Sequencing FRUMKIN, JESSE P 1685 Non-Final OA Mar 14, 2024
18538995 TISSUE-SPECIFIC METHYLATION MARKER SITTON, JEHANNE SOUAYA 1682 Final Rejection Dec 13, 2023
18267769 PREPARATION OF NUCLEIC ACID SAMPLES FOR SEQUENCING WILDER, CYNTHIA B 1681 Non-Final OA Jun 15, 2023
18147647 COMPOSITIONS AND METHODS FOR IDENTIFYING CELL TYPES KIM, YOUNG J 1681 Non-Final OA Dec 28, 2022
17993597 SAMPLE CONTAMINATION DETECTION OF CONTAMINATED FRAGMENTS FOR CANCER CLASSIFICATION NEGIN, RUSSELL SCOTT 1686 Non-Final OA Nov 23, 2022
17931016 METHODS FOR ANALYSIS OF TARGET MOLECULES IN BIOLOGICAL FLUIDS HAQ, SHAFIQUL 1678 Non-Final OA Sep 09, 2022
17845930 METHODS OF IDENTIFYING SOMATIC MUTATIONAL SIGNATURES FOR EARLY CANCER DETECTION LIU, GUOZHEN 1686 Final Rejection Jun 21, 2022
17714062 CONDITIONAL TISSUE OF ORIGIN RETURN FOR LOCALIZATION ACCURACY LUO, JAMMY NMN 1686 Non-Final OA Apr 05, 2022
17638904 SYSTEMS AND METHODS FOR PREDICTING AND MONITORING TREATMENT RESPONSE FROM CELL-FREE NUCLEIC ACIDS PLAYER, ROBERT AUSTIN 1686 Non-Final OA Feb 28, 2022
17393609 DETECTING CANCER, CANCER TISSUE OF ORIGIN, AND/OR A CANCER CELL TYPE DAUNER, JOSEPH G 1682 Final Rejection Aug 04, 2021
17384241 DETECTING CANCER, CANCER TISSUE OF ORIGIN, AND/OR A CANCER CELL TYPE BUCHANAN, BAILEY CHEYENNE 1682 Final Rejection Jul 23, 2021
17119606 CANCER CLASSIFICATION USING PATCH CONVOLUTIONAL NEURAL NETWORKS BAILEY, STEVEN WILLIAM 1687 Non-Final OA Dec 11, 2020
17050372 SYSTEMS AND METHODS FOR USING PATHOGEN NUCLEIC ACID LOAD TO DETERMINE WHETHER A SUBJECT HAS A CANCER CONDITION PLAYER, ROBERT AUSTIN 1686 Non-Final OA Oct 23, 2020
16460588 MACHINE LEARNING VARIANT SOURCE ASSIGNMENT LIU, GUOZHEN 1686 Non-Final OA Jul 02, 2019
16417336 INFERRING SELECTION IN WHITE BLOOD CELL MATCHED CELL-FREE DNA VARIANTS AND/OR IN RNA VARIANTS VASSELL, MEREDITH ABBOTT 1687 Final Rejection May 20, 2019

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