Prosecution Insights
Last updated: August 18, 2026

Examiner: BUCHANAN, BAILEY CHEYENNE

Tech Center 1600 • Art Units: 1682

This examiner grants 48% of resolved cases

Performance Statistics

47.6%
Allow Rate
-12.4% vs TC avg
81
Total Applications
+50.0%
Interview Lift
1396
Avg Prosecution Days
Based on 21 resolved cases, 2023–2026

Rejection Statute Breakdown

14.4%
§101 Eligibility
18.6%
§102 Novelty
33.9%
§103 Obviousness
25.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17687536 METHODS AND RELATED ASPECTS FOR ANALYZING MOLECULAR RESPONSE Final Rejection GUARDANT HEALTH, INC.
17559511 METHODS AND COMPOSITIONS FOR ANALYTE DETECTION Non-Final OA 10x Genomics, Inc.
17187096 METHOD FOR ISOLATING NUCLEI AND CELLS FROM TISSUES Non-Final OA 10X Genomics, Inc.
18246456 METHOD FOR PREDICTING IMMUNOTHERAPY RESISTANCE Non-Final OA KONINKLIJKE PHILIPS N.V.
18298922 TRANSMEMBRANE NANOSENSOR ARRAYS FOR RAPID, ULTRA-SENSITIVE AND SPECIFIC DIGITAL QUANTIFICATION OF INTERNAL MICRO-RNA CONTENT OF INTACT EXOSOMES Final Rejection ARIZONA BOARD OF REGENTS ON BEHALF OF ARIZONA STATE UNIVERSITY
18245749 SIGNATURES IN CELL-FREE DNA TO DETECT DISEASE, TRACK TREATMENT RESPONSE, AND INFORM TREATMENT DECISIONS Final Rejection THE REGENTS OF THE UNIVERSITY OF COLORADO, A BODY CORPORATE
18278868 MEASUREMENT METHOD AND MEASUREMENT SYSTEM Non-Final OA Yokogawa Electric Corporation
17760652 HUMAN MITOCHONDRIAL DNA SEQUENCING BY TARGETED AMPLIFICATION OF MULTIPLEX PROBES (MTDNA-STAMP) Final Rejection CORNELL UNIVERSITY
18689573 MASTER MIX COMPOSITIONS, KITS, AND METHODS Non-Final OA LIFE TECHNOLOGIES CORPORATION
18038943 MODULATING TRANSCRIPTIONAL CONDENSATES Non-Final OA Whitehead Institute for Biomedical Research
17762565 MULTIMODAL ANALYSIS OF STABILIZED CELL-CONTAINING BODILY FLUID SAMPLES Final Rejection Qiagen GmbH
17556209 DETECTING A TARGET NUCLEIC ACID IN A BIOLOGICAL SAMPLE Non-Final OA Revvity Health Sciences, Inc.
18264302 METHODS FOR BASE-LEVEL DETECTION OF METHYLATION IN NUCLEIC ACIDS Non-Final OA ROCHE DIAGNOSTICS GMBH

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