Prosecution Insights
Last updated: October 02, 2026

Examiner: KANG, TAE-SIK

Tech Center 1700 • Art Units: 1726 1728 1757

This examiner grants 58% of resolved cases

Analysis

Tae-Sik Kang, an examiner in Tech Center 1700 and Art Unit 1726, has handled 568 resolved cases. The data reveals an allowance rate pct of 58.1 and a median days to allowance of 1059. These 568 resolved cases establish a pattern of outcomes for applications in Art Unit 1726. The 58.1 percent allowance rate indicates the frequency of successful grants.

The interview lift pct of 27.8 shows that personal engagement provides an increase in the probability of allowance. This 27.8 percent lift suggests that interviews can be a tool for resolving specific issues. Practitioners can use the 1059 days to allowance to plan for the duration of the prosecution. The 58.1 percent allowance rate and 1059 days to allowance are the key indicators for this examiner. The 568 resolved cases provide the basis for these observations.

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

Performance Statistics

58.2%
Allow Rate
-6.8% vs TC avg
599
Total Applications
+27.8%
Interview Lift
1059
Avg Prosecution Days
Based on 570 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
18.9%
§102 Novelty
45.8%
§103 Obviousness
31.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18435379 MULTI-JUNCTION PHOTOVOLTAIC SOLAR CELL WITH AN INTEGRATED, MONOLITHIC BLOCKING DIODE Non-Final OA The Boeing Company
19406216 COUNTERBALANCE ASSEMBLIES IN PHOTOVOLTAIC SOLAR TRACKERS Non-Final OA ARRAY TECH, INC.
19169745 FUNCTIONALIZED AROMATIC PHOSPHONIC ACIDS FOR DISPLAY AND SOLAR CELL APPLICATIONS Non-Final OA THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL
19172320 SOLAR ARRAY SUPPORT STRUCTURE Final Rejection The Regents of the University of Michigan
18939337 SOLAR CELL AND PREPARATION METHOD THEREFOR Final Rejection Contemporary Amperex Technology (Hong Kong) Limited
18996262 SOLAR CELL Non-Final OA Trina Solar Co., Ltd.
19245592 LAMINATED PEROVSKITE SOLAR CELL Non-Final OA Suzhou Maxwell Technologies Co., Ltd.
18692995 METHODS FOR PREPARING PEROVSKITE SOLAR CELLS (PSCS) AND THE RESULTING PSCS Non-Final OA Alliance for Energy Innovation LLC
18094983 Auto-Engaging Electrical Connections for Solar Panels Non-Final OA Palladyne Corp.

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