Prosecution Insights
Last updated: October 02, 2026

Examiner: KADING, JOSHUA A

Tech Center 3900 • Art Units: 2121 2413 2479 2915 2916 3993

This examiner grants 78% of resolved cases

Analysis

Joshua A. Kading is an examiner in Tech Center 3900 and Art Unit 2121, where he has handled 398 resolved cases. He maintains an allowance rate of 77.9 percent, which is higher than the 24.6 percent interview lift. The median days to allowance is 1019, suggesting that the process typically spans a significant period. This 77.9 percent allowance rate across 398 resolved cases provides a statistical basis for expecting a positive outcome in this art unit.

Interviews appear to be a productive strategy with this examiner, as evidenced by an interview lift of 24.6 percent. This lift provides an increase to the probability of success, suggesting that verbal discussions can help resolve remaining issues. For the 398 resolved cases in Art Unit 2121, the combination of a 24.6 percent interview lift and 1019 median days to allowance suggests that proactive prosecution is effective. Practitioners should utilize interviews to capitalize on the 77.9 percent allowance rate and navigate Tech Center 3900.

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

Performance Statistics

77.9%
Allow Rate
+17.9% vs TC avg
417
Total Applications
+24.6%
Interview Lift
1019
Avg Prosecution Days
Based on 398 resolved cases, 2023–2026

Rejection Statute Breakdown

6.8%
§101 Eligibility
16.5%
§102 Novelty
41.4%
§103 Obviousness
27.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18601940 TWT BASED MULTI-AP COOPERATION Final Rejection Samsung Electronics Co., Ltd.
18651535 DEVICES, SYSTEMS AND METHODS FOR THE TREATMENT OF MEDICAL DISORDERS Non-Final OA The Regents of the University of California
17736017 DEVICES, SYSTEMS AND METHODS FOR THE TREATMENT OF MEDICAL DISORDERS Non-Final OA THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
18029044 MONITORING CIRCULATING TUMOR DNA TO IMPROVE SUBCLONE PENETRATION OF FOLLOW-UP NEOANTIGEN CANCER VACCINES Final Rejection Amazon Technologies, Inc.
18561969 VARIABLE OPTIMIZATION SYSTEM Non-Final OA NIPPON TELEGRAPH AND TELEPHONE CORPORATION
18298356 SIMULATION METHOD, SIMULATION APPARATUS, AND NON-TRANSITORY COMPUTER READABLE MEDIUM STORING PROGRAM Non-Final OA SUMITOMO HEAVY INDUSTRIES, LTD.
18260182 PREDICTING EXCHANGE-CORRELATION ENERGIES OF ATOMIC SYSTEMS USING NEURAL NETWORKS Non-Final OA DeepMind Technologies Limited
18458876 METHOD AND SYSTEM FOR CONTROLLING A WASHOUT AREA Non-Final OA ARAMCO SERVICES COMPANY

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