Prosecution Insights
Last updated: October 02, 2026

Examiner: KOZIOL, STEPHEN R

Tech Center 4100 • Art Units: 1687 2624 2664 2665 2672 2673 4189

This examiner grants 78% of resolved cases

Analysis

Stephen R. Koziol is an examiner in Tech Center 4100 and Art Unit 1687, where he has 398 resolved cases. The data shows an allowance rate of 77.6 percent and an interview lift of 25.1 percent. This lift indicates that applicants who conduct an interview see a higher probability of allowance than the baseline. The 25.1 percent interview lift suggests that direct communication is a tool for navigating the process.

The median days to allowance for these 398 resolved cases is 1379. Practitioners should factor this 1379-day timeline into their prosecution strategy. The 77.6 percent allowance rate provides a baseline for success in this art unit. With the resolved cases, the data offers a look at the examiner's historical performance.

In Art Unit 1687, the median days to allowance represents the time required to reach a grant. The interview lift is a metric for applicants to consider when deciding whether to engage the examiner directly. These figures establish the current prosecution environment for this examiner in Tech Center 4100.

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

Performance Statistics

77.6%
Allow Rate
+17.6% vs TC avg
407
Total Applications
+25.1%
Interview Lift
1379
Avg Prosecution Days
Based on 398 resolved cases, 2023–2026

Rejection Statute Breakdown

23.2%
§101 Eligibility
17.1%
§102 Novelty
40.2%
§103 Obviousness
17.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18980100 INFORMATION PROCESSING APPARATUS, CONTROL METHOD THEREOF, AND MEDIUM Non-Final OA CANON KABUSHIKI KAISHA
18890492 IMAGE PROCESSING FOR FOVEATED IMAGING Non-Final OA QUALCOMM Incorporated
18566265 METHOD FOR TRAINING AND USING A DEEP LEARNING ALGORITHM TO COMPARE MEDICAL IMAGES BASED ON DIMENSIONALITY-REDUCED REPRESENTATIONS Non-Final OA Brainlab SE
18086849 DYNAMICALLY ALTERING TRANSPARENCY LEVEL IN SUB-VOLUMES OF ANATOMICAL MAPS Final Rejection BIOSENSE WEBSTER (ISRAEL) LTD.

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