Prosecution Insights
Last updated: October 02, 2026

Examiner: DUNN, MCKENZIE A

Tech Center 1600 • Art Units: 1632 1636 1678 1686

This examiner grants 54% of resolved cases

Analysis

McKenzie A. Dunn has overseen 80 resolved cases in Art Unit 1632, resulting in an allowance rate of 53.8%. This indicates a moderate level of difficulty for applicants in Tech Center 1600. However, the interview lift of 56.3% is exceptionally high, suggesting that examiner interviews are an extremely effective tool for securing an allowance.

The median days to allowance is 1432, which is a long prosecution cycle. Given the 53.8% baseline allowance rate, the 56.3% lift from interviews is a vital statistic for practitioners to consider. The 1432-day median pendency suggests a long road to allowance, but the effectiveness of interviews provides a clear strategy for success.

With 80 resolved cases, the 53.8% allowance rate is a reliable indicator of the examiner's approach. The 56.3% interview lift is a powerful tool for moving toward a successful outcome. Understanding the 1432-day median pendency allows for better planning and management of the prosecution process.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

53.8%
Allow Rate
-6.2% vs TC avg
121
Total Applications
+56.3%
Interview Lift
1432
Avg Prosecution Days
Based on 80 resolved cases, 2023–2026

Rejection Statute Breakdown

14.3%
§101 Eligibility
18.3%
§102 Novelty
41.1%
§103 Obviousness
19.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18257838 ANTITHROMBIN HEPARAN SULFATE FOR DETECTION AND TREATMENT OF CANCER Final Rejection The Regents of the University of California
18263899 METHODS OF ADJUSTING THE PH OF A CELL CULTURE MEDIUM Non-Final OA Bayer HealthCare LLC
17798514 CSF PHOSPHORYLATED TAU AND AMYLOID BETA PROFILES AS BIOMARKERS OF TAUOPATHIES Final Rejection Washington University
17422051 MULTIPLEXED ASSAY AND METHODS OF USE THEREOF Non-Final OA Washington University
18048673 A SYNTHENTIC POLY-TRANSTHYRETIN AFFINITY TRAP FOR DETECTING AMYLOIDOGENIC TRANSTHYRETIN FORMS IN PLASMA SAMPLES OFTRANTHYRETIN AMYLOIDOSIS PATIENTS Final Rejection Northwestern University
18541476 METHOD FOR IMMUNOSENSING ON A LIPID LAYER Non-Final OA Roche Diagnostics Operations, Inc.
18426938 IMMUNOHISTOCHEMISTRY (IHC) MAGE-A4 SCORING PROTOCOLS AND METHODS FOR AIDING CANCER TREATMENTS Non-Final OA Agilent Technologies, Inc.
18140177 PREDICTING IMMUNOTHERAPY RESPONSE Non-Final OA TECHNION RESEARCH & DEVELOPMENT FOUNDATION LIMITED
17288849 COMPOSITIONS AND METHODS FOR SELECTING BIALLELIC GENE EDITING Final Rejection United States Government As Represented By The Department of Veterans Affairs
18681004 METHODS FOR SELECTING A CANCER PATIENT FOR TREATMENT Non-Final OA UNIVERSITY OF VERMONT AND STATE AGRICULTURAL COLLEGE
18359300 DETECTION OF AIRBORNE ANALYTES USING IMPRINTED MICELLES Non-Final OA Battelle Memorial Institute
15963271 DIAGNOSING MULTIPLE SCLEROSIS Final Rejection Oxford University Innovation Limited
17895953 TRIAGING METHOD USING CELL FREE NUCLEOSOME LEVELS Non-Final OA Belgian Volition SRL (BE/BE)

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