Prosecution Insights
Last updated: April 19, 2026

Examiner: PRIEST, AARON A

Tech Center 1600 • Art Units: 1637 1681

This examiner grants 61% of resolved cases

Performance Statistics

61.2%
Allow Rate
+1.2% vs TC avg
824
Total Applications
+26.0%
Interview Lift
1110
Avg Prosecution Days
Based on 794 resolved cases, 2023–2026

Rejection Statute Breakdown

7.0%
§101 Eligibility
21.7%
§102 Novelty
31.8%
§103 Obviousness
22.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18205668 RNA retrieval process for preparing formalin-fixed, paraffin-embedded (FFPE) tissue samples for in situ hybridization Non-Final OA Applied Materials, Inc.
17997696 QUANTITATIVE BLOCKER DISPLACEMENT AMPLIFICATION (QBDA) SEQUENCING FOR CALIBRATION-FREE AND MULTIPLEXED VARIANT ALLELE FREQUENCY QUANTITATION Non-Final OA William Marsh Rice University
18376355 CELL LYSIS ASSAY FOR CELL-FREE DNA ANALYSIS Final Rejection Natera, Inc.
18227219 METHODS FOR NON-INVASIVE PRENATAL PLOIDY CALLING Non-Final OA Natera, Inc.
18227224 METHODS FOR NON-INVASIVE PRENATAL PLOIDY CALLING Non-Final OA Natera, Inc.
17529536 METHODS FOR NON-INVASIVE PRENATAL PLOIDY CALLING Final Rejection Natera, Inc.
16803782 METHODS FOR NON-INVASIVE PRENATAL PLOIDY CALLING Final Rejection Natera, Inc.
18116138 CASCADED NUCLEIC ACID PROTOCOLS FOR ULTRA-SPECIFIC MOLECULAR DETECTION, TRANSDUCTION, AND AMPLIFICATION Non-Final OA Duke University
18235751 INTEGRATED FUNCTIONAL AND MOLECULAR PROFILING OF CELLS Non-Final OA University of Houston System
18217575 DIAGNOSTIC USE OF CELL FREE DNA CHROMATIN IMMUNOPRECIPITATION Final Rejection YISSUM RESEARCH DEVELOPMENT COMPANY OF THE HEBREW UNIVERSITY OF JERUSALEM LTD.
17305239 WORKFLOW FOR DETECTION OF LIGANDS USING NUCLEIC ACIDS Final Rejection LIFE TECHNOLOGIES CORPORATION
18224446 STAINED BIOLOGICAL SPECIMENS INCLUDING ONE OR MORE BIOMARKERS LABELED WITH ONE OR MORE DETECTABLE MOIETIES Non-Final OA Ventana Medical Systems, Inc.
17781469 METHOD OF CHARACTERISING A TARGET POLYPEPTIDE USING A NANOPORE Non-Final OA Oxford Nanopore Technologies PLC
17612606 METHOD Non-Final OA Oxford Nanopore Technologies plc
18465952 METHODS OF LOWERING THE ERROR RATE OF MASSIVELY PARALLEL DNA SEQUENCING USING DUPLEX CONSENSUS SEQUENCING Non-Final OA UNIVERSITY OF WASHINGTON THROUGH ITS CENTER FOR COMMERCIALIZATION
18450006 SINGLE-PARTICLE ANALYSIS METHOD, AND SYSTEM FOR PERFORMING SAID ANALYSIS Final Rejection ON-CHIP BIOTECHNOLOGIES CO., LTD.
18023177 METHOD OF ASSESSING THE CIRCADIAN RHYTHM OF A SUBJECT AND/OR ASSESSING AND PREDICTING THE ATHLETIC PERFORMANCE OF SAID SUBJECT Non-Final OA MOREIRA BORRALHO RELÓGIO, Angela
18146051 METHODS AND SYSTEMS FOR ANALYZING NUCLEIC ACIDS USING INCREASED IFRET WITH MULTIPLE ACCEPTOR FLUOROPHORES Non-Final OA Co-Diagnostics, Inc.
17878339 CHIMERIC ANTIGEN RECEPTORS (CARs), COMPOSITIONS AND METHODS THEREOF Non-Final OA iCell Gene Therapeutics LLC

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