Prosecution Insights
Last updated: October 02, 2026

Examiner: CHA, GRACE YEH-EUN SAET

Tech Center 2800 • Art Units: 2811 2897

This examiner grants 96% of resolved cases

Analysis

Grace Yeh-Eun Saet Cha operates as an examiner in Tech Center 2800 and Art Unit 2811. The data shows 46 resolved cases for this examiner. The allowance rate is 95.7 percent, which represents the proportion of applications that are granted. The median days to allowance is 1273, providing a timeline for the prosecution process in this specific unit.

The interview lift is 5.9 percent. This figure indicates that conducting an interview is associated with a 5.9 percent change in the likelihood of allowance. With 46 resolved cases, this lift is a factor in the examiner's profile. The 95.7 percent allowance rate and the 1273 median days to allowance are the available figures for developing a prosecution strategy. Practitioners can use these numbers to set expectations.

The Art Unit 2811 designation and the Tech Center 2800 location define the scope of this profile. The 95.7 percent allowance rate provides a statistical baseline, while the 5.9 percent interview lift highlights the impact of verbal negotiation. These resolved cases define the current data for this examiner based on the provided prosecution history.

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

Performance Statistics

95.7%
Allow Rate
+27.7% vs TC avg
71
Total Applications
+5.9%
Interview Lift
1273
Avg Prosecution Days
Based on 46 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
25.0%
§102 Novelty
68.2%
§103 Obviousness
6.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18530342 SEMICONDUCTOR MEMORY DEVICE Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18034048 DISPLAY SUBSTRATES, DISPLAY PANELS AND DISPLAY APPARATUSES Non-Final OA BOE Technology Group Co., Ltd.
18044806 DISPLAY SUBSTRATE AND DISPLAY DEVICE WITH NARROWED LOWER BORDER Non-Final OA BOE TECHNOLOGY GROUP CO., LTD.
18022924 DISPLAY BASE PLATE AND METHOD FOR MANUFACTURING THE SAME, AND DISPLAY PANEL Non-Final OA BOE TECHNOLOGY GROUP CO., LTD.
18099676 DISPLAY DEVICE IN WHICH FIRST AND SECOND BARS SEPARATED BY SLIT OVERLAP BENDABLE PORTION Non-Final OA Samsung Display Co., Ltd.
17944313 DISPLAY DEVICE INCLUDING LAYERS HAVING PARTICULAR REFRACTIVE INDEXES Non-Final OA Samsung Display Co., LTD.
17855036 Thin-Film Transistor Array Substrate and Display Device Non-Final OA LG Display Co., Ltd.
18265090 Display Device, Method For Manufacturing Display Device, and Electronic Device Final Rejection Semiconductor Energy Laboratory Co., LTD.
18624206 COAXIAL VIA FORMATION WITH SIDEWALL CONTACTS Non-Final OA International Business Machines Corporation
18501872 SEMICONDUCTOR DEVICE INCLUDING MEMORY CELLS STACKED IN VERTICAL DIRECTION Non-Final OA SK hynix Inc.
18464508 INTEGRATED CIRCUIT, SYSTEM AND METHOD OF FORMING THE SAME Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
18474158 THERMALLY AWARE STACKING TOPOLOGY Non-Final OA Xilinx, Inc.

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