Prosecution Insights
Last updated: October 01, 2026

Examiner: HAN, CHARLES J

Tech Center 3600 • Art Units: 3662 3665

This examiner grants 69% of resolved cases

Analysis

Charles J. Han serves as an examiner in Art Unit 3662 within Tech Center 3600. The examiner has 449 resolved cases and an allowance rate of 69.3 percent. This baseline provides a clear view of the prosecution landscape for applications in this transportation or electronic commerce technology area. The 69.3 percent rate suggests a favorable path to grant for many applications reaching a final disposition.

The median days to allowance for these cases is 1175. This timeline indicates that successful applications may face a moderate prosecution process. Practitioners should account for the 1175-day duration when advising clients on patent strategy and potential delays. The figure serves as a benchmark for pendency expectations for applications that ultimately reach an allowance in Art Unit 3662.

The data highlights a significant interview lift of 41.6 percent. This is a high figure, suggesting that interviews are an exceptionally effective mechanism for advancing prosecution and securing an allowance. The 41.6 percent lift indicates that a formal discussion with the examiner can dramatically improve the baseline allowance rate. For practitioners, scheduling an interview appears to be one of the most impactful tactical decisions they can make to move a case toward a positive outcome.

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

Performance Statistics

69.3%
Allow Rate
+17.3% vs TC avg
461
Total Applications
+41.6%
Interview Lift
1175
Avg Prosecution Days
Based on 449 resolved cases, 2023–2026

Rejection Statute Breakdown

6.4%
§101 Eligibility
18.9%
§102 Novelty
40.9%
§103 Obviousness
32.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18978381 AUGMENTED REALITY GUIDANCE INTERFACE Final Rejection Snap Inc.
19182373 ROAD SURFACE GENERATION METHOD AND APPARATUS, COMPUTER DEVICE, AND STORAGE MEDIUM Non-Final OA Tencent Technology (Shenzhen) Company Limited
18585893 METHOD AND SYSTEM FOR DETERMINING A PRECISE VALUE OF AT LEAST ONE POSE PARAMETER OF AN EGO VESSEL Final Rejection ABB Schweiz AG
19223877 System, Method, and Apparatus for Generating Dynamic Routes in a Transportation Network Non-Final OA Carnegie Mellon University

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