Prosecution Insights
Last updated: April 19, 2026

Examiner: BUCHANAN, BAILEY CHEYENNE

Tech Center 1600 • Art Units: 1682

This examiner grants 54% of resolved cases

Performance Statistics

54.5%
Allow Rate
-5.5% vs TC avg
67
Total Applications
+46.7%
Interview Lift
1378
Avg Prosecution Days
Based on 11 resolved cases, 2023–2026

Rejection Statute Breakdown

15.0%
§101 Eligibility
18.6%
§102 Novelty
32.0%
§103 Obviousness
24.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17668915 MATERIALS AND METHODS FOR DETERMINING CANCER RISK Final Rejection Mayo Foundation for Medical Education and Research
18298922 TRANSMEMBRANE NANOSENSOR ARRAYS FOR RAPID, ULTRA-SENSITIVE AND SPECIFIC DIGITAL QUANTIFICATION OF INTERNAL MICRO-RNA CONTENT OF INTACT EXOSOMES Non-Final OA ARIZONA BOARD OF REGENTS ON BEHALF OF ARIZONA STATE UNIVERSITY
18246456 METHOD FOR PREDICTING IMMUNOTHERAPY RESISTANCE Non-Final OA KONINKLIJKE PHILIPS N.V.
17793382 COMPOSITIONS AND METHODS FOR DETECTION OF OVARIAN CANCER Final Rejection Mercy BioAnalytics, Inc.
18028432 NUCLEIC ACID NANOSTRUCTURES WITH TUNABLE FUNCTIONAL STABILITY Non-Final OA National University of Singapore
18323143 Double-Stranded DNA Deaminases and Uses Thereof Non-Final OA New England Biolabs, Inc.
17780926 UPPER URINARY TRACT UROTHELIAL CARCINOMA IDENTIFICATION METHOD Final Rejection KEIO UNIVERSITY
18006888 BIOMARKERS FOR DIAGNOSING AND MONITORING LUNG CANCER Non-Final OA SORBONNE UNIVERSITE
18075729 METHODS, COMPOSITIONS, AND KITS FOR DETECTING ALLELIC VARIANTS Non-Final OA LIFE TECHNOLOGIES CORPORATION
17760652 HUMAN MITOCHONDRIAL DNA SEQUENCING BY TARGETED AMPLIFICATION OF MULTIPLEX PROBES (MTDNA-STAMP) Final Rejection CORNELL UNIVERSITY
17786373 CANCER SIGNATURES, METHODS OF GENERATING CANCER SIGNATURES, AND USES THEREOF Final Rejection EDWARD VIA COLLEGE OF OSTEOPATHIC MEDICINE
17778204 METHOD FOR DOUBLE STRAND SEQUENCING Final Rejection Oxford Nanopore Technologies PLC
17384241 DETECTING CANCER, CANCER TISSUE OF ORIGIN, AND/OR A CANCER CELL TYPE Final Rejection GRAIL, LLC
17890694 METHODS AND COMPOSITIONS FOR IDENTIFYING AND TREATING SUBJECTS AT RISK OF POOR CANCER SURVIVAL Non-Final OA MEMORIAL SLOAN-KETTERING CANCER CENTER
17600531 METHOD OF CLASSIFYING A SAMPLE BASED ON DETERMINATION OF FGFR Non-Final OA UNIVERSITÄT HEIDELBERG
17640740 DETECTION OF CHLAMYDIA TRACHOMATIS NUCLEIC ACID VARIANTS Final Rejection Gen-Probe Incorporated
17632783 CANCER DETECTION AND CLASSIFICATION Final Rejection The United States of America, as represented by the Secretary, Department of Health and Human Servic
18450653 KIT FOR IDENTIFYING TUMOR TISSUE-OF-ORIGIN AND DATA ANALYSIS METHOD Non-Final OA Hangzhou ShengTing Medical Technology Ltd.
18253582 METHOD FOR ISOLATING NUCLEIC ACID USING BINDING BUFFER INCLUDING COMPOUND HAVING LOW OR INTERMEDIATE DIELECTRIC CONSTANT Non-Final OA BIONEER CORPORATION
18254179 Ribosomal profiling in single cells Non-Final OA Koninklijke Nederlandse Akademie van Wetenschappen
18036733 METHOD FOR ASSISTING DETERMINATION ON SUITABILITY OF ESOPHAGEAL CANCER FOR ENDOSCOPIC THERAPY, METHOD FOR DETERMINING SUITABILITY OF ESOPHAGEAL CANCER FOR ENDOSCOPIC THERAPY, METHOD FOR COLLECTING DATA FOR USE IN DETERMINATION ON SUITABILITY OF ESOPHAGEAL CANCER FOR ENDOSCOPIC THERAPY, METHOD FOR DIAGNOSING SUITABILITY OF ESOPHAGEAL CANCER FOR ENDOSCOPIC THERAPY, IN VITRO METHOD FOR ASSISTING DETERMINATION ON SUITABILITY OF ESOPHAGEAL CANCER FOR ENDOSCOPIC THERAPY, ... Non-Final OA Public University Corporation Nagoya City University
18246643 TREATMENT RESPONSE PREDICTIVE METHOD Non-Final OA Breast Cancer Now
17309902 METHYLATION MODIFICATION-BASED TUMOR MARKER STAMP-EP6 Non-Final OA SHANGHAI EPIPROBE BIOTECHNOLOGY CO., LTD.
17309898 TUMOR MARKER STAMP-EP3 BASED ON METHYLATION MODIFICATION Non-Final OA SHANGHAI EPIPROBE BIOTECHNOLOGY CO., LTD.
17716395 CELL-FREE DNA METHYLATION AND NUCLEASE-MEDIATED FRAGMENTATION Final Rejection GRAIL, Inc.
18075464 NOVEL TUMOR MARKER FOR HEPATOCELLULAR CARCINOMA AND CLINICAL APPLICATION THEREOF Non-Final OA The First Affiliated Hospital of Sun Yat-Sen University
17770807 SAMPLE PREPARATION AND SEQUENCING ANALYSIS FOR REPEAT EXPANSION DISORDERS AND SHORT READ DEFICIENT TARGETS Final Rejection JumpCode Genomics, Inc.
17757847 METHOD OF DETECTING EPIGENETIC MODIFICATION Final Rejection Biofidelity Ltd
17787114 COMPOSITIONS AND METHODS FOR TREATING OR AMELIORATING A MYCOBACTERIUM TUBERCULOSIS INFECTION Non-Final OA San Diego State University (SDSU )Foundation, dba San Diego State University Research Foundation
17714271 METHOD FOR DETERMINING WHETHER BIOLOGICAL SAMPLE HASORIGINATED FROM LIVER CANCER TISSUE Non-Final OA LEPIDYNE CO., LTD.

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