Prosecution Insights
Last updated: August 18, 2026

Examiner: YU, TIAN NMN

Tech Center 1600 • Art Units: 1637 1681 1682 1699

This examiner grants 55% of resolved cases

Performance Statistics

55.3%
Allow Rate
-4.7% vs TC avg
145
Total Applications
+18.7%
Interview Lift
1399
Avg Prosecution Days
Based on 85 resolved cases, 2023–2026

Rejection Statute Breakdown

10.7%
§101 Eligibility
16.9%
§102 Novelty
31.4%
§103 Obviousness
30.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18620056 METHODS FOR EARLY DETECTION OF CANCER Non-Final OA GUARDANT HEALTH, INC.
19449295 DETECTING MUTATIONS AND PLOIDY IN CHROMOSOMAL SEGMENTS Non-Final OA Natera, Inc.
17260611 POLYNUCLEOTIDE SYNTHESIS METHOD, KIT AND SYSTEM Final Rejection Oxford Nanopore Technologies PLC
18499328 DNA UNFOLDING USING A FREE-END TAG FLOW MODIFIER Non-Final OA Robert Bosch GmbH
17625687 LIPID-MODIFIED OLIGONUCLEOTIDES AND METHODS OF USING THE SAME Non-Final OA THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
17531488 CONTACTLESS DETECTION OF AN ABERRANT CONDITION Non-Final OA Singular Genomics Systems, Inc.
17438038 METHODS FOR USING SPATIAL ARRAYS FOR SINGLE CELL SEQUENCING Non-Final OA 10x Genomics, Inc.
17118429 NUCLEIC ACID AMPLIFICATION METHOD Final Rejection Keygene N.V.
17373653 cDNA SPIKE-IN CONTROL FOR SINGLE CELL ANALYSIS Non-Final OA Becton, Dickinson and Company
17619154 METHOD FOR DIAGNOSIS OF EARLY AGEING OF THE SKIN Non-Final OA L'OREAL
18489441 ASSAY FOR DETECTION OF SARS-COV-2 Non-Final OA Imam Abdulrahman Bin Faisal University
18573770 METHODS FOR PREPARING SIGNALS FOR CONCURRENT SEQUENCING Non-Final OA Illumina, Inc.
18558057 AMPLIFICATION TECHNIQUES FOR NUCLEIC ACID CHARACTERIZATION Non-Final OA ILLUMINA, INC.
17928452 USE OF MICROVESICLE SIGNATURE FOR THE DIAGNOSIS AND TREATMENT OF KIDNEY TRANSPLANT REJECTION Non-Final OA The Brigham and Women's Hospital, Inc.
17651135 SINGLE TUBE PREPARATION OF DNA AND RNA FOR SEQUENCING Non-Final OA Roche Sequencing Solutions, Inc.
17240865 EXPONENTIAL BASE-3 AND GREATER NUCLEIC ACID AMPLIFICATION WITH CYCLING PROBE Non-Final OA Cepheid
17602577 COMPOSITIONS AND METHODS FOR NUCLEOTIDE MODIFICATION-BASED DEPLETION Non-Final OA ARC BIO, LLC

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