Prosecution Insights
Last updated: October 27, 2026

Shih Tsun A Chou, USPTO Patent Examiner

Listed by the USPTO as CHOU, SHIH TSUN A

Tech Center 2800 • Art Units: 2800 2811 2814 2817

This examiner grants 78% of resolved cases

Analysis

CHOU, SHIH TSUN A works in Tech Center 2800 and Art Unit 2800. The record reports 489 resolved cases, a 77.7% allowance rate, and a median of 904 days to allowance. Interview lift is 15.9%, reflecting a positive association between interviews and allowance outcomes in the available cases.

The leading companies are Samsung Display Co., Ltd., Samsung Electronics Co., Ltd., and BOE Technology Group Co., Ltd. The principal firms are Harrity & Harrity , LLP, IPro, PLLC, and CANTOR COLBURN LLP. The allowance record supports focused claim prosecution, while the median timing indicates that applicants should maintain a deliberate response schedule through examination.

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

Performance Statistics

77.7%
Allow Rate
+9.7% vs TC avg
521
Total Applications
+15.9%
Interview Lift
904
Avg Prosecution Days
Based on 489 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
21.7%
§102 Novelty
51.4%
§103 Obviousness
26.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18585468 SEMICONDUCTOR PACKAGE AND METHOD OF MANUFACTURING THE SEMICONDUCTOR PACKAGE Non-Final OA Samsung Electronics Co., Ltd.
18657498 ELECTRONIC DEVICE Non-Final OA Samsung Display Co., Ltd.
18636348 DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME Non-Final OA Samsung Display Co., LTD.
18434198 DISPLAY PANEL Non-Final OA Samsung Display Co., Ltd.
18579889 LIGHT-EMITTING DEVICE, LIGHT-EMITTING SUBSTRATE AND DISPLAY DEVICE Non-Final OA BOE Technology Group Co., Ltd.
18579851 DISPLAY BASEPLATE, MOULD ASSEMBLY, SPLICED DISPLAY MODULE AND DISPLAY APPARATUS Non-Final OA BOE Technology Group Co., Ltd.
18649407 SEMICONDUCTOR DEVICES WITH INCREASED BREAKDOWN VOLTAGE CHARACTERISTICS Non-Final OA Avago Technologies International Sales Pte. Limited
18407675 Array Of Capacitors, Array Of Memory Cells, And Methods Used In Forming An Array Of Capacitors Non-Final OA Micron Technology, Inc.
18466868 MAGNETIC MEMORY DEVICE Final Rejection Kioxia Corporation
18710293 ELECTRONIC DEVICE AND METHOD FOR MANUFACTURING AN ELECTRONIC DEVICE Final Rejection ams-OSRAM International GmbH
18731201 TENSILE STRESSED NFET NANOSHEETS Non-Final OA International Business Machines Corporation
18627570 METAL-INSULATOR-METAL DEVICE STRUCTURES AND METHODS OF FORMING THE SAME Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
18398925 SEMICONDUCTOR DEVICE AND METHODS OF FORMATION Final Rejection Taiwan Semiconductor Manufacturing Company, Ltd.
18731921 DISPLAY DEVICE AND MANUFACTURING METHOD OF DISPLAY DEVICE Non-Final OA Magnolia White Corporation
18631682 ELECTRONIC PACKAGE AND MANUFACTURING METHOD THEREOF Non-Final OA SILICONWARE PRECISION INDUSTRIES CO., LTD.

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Frequently Asked Questions

What is examiner Shih Tsun A Chou's allowance rate?

77.7% of resolved applications examined by Shih Tsun A Chou were allowed (489 resolved cases), compared with 69.7% across Art Unit 2800 over the last five years.

Does an interview help with examiner Shih Tsun A Chou?

This examiner's interview lift is +15.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Shih Tsun A Chou take to allow a patent?

Applications allowed by Shih Tsun A Chou took 904 days on average from filing to allowance.

Which art unit does examiner Shih Tsun A Chou work in?

Shih Tsun A Chou examines applications in Art Unit 2800 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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