Prosecution Insights
Last updated: October 27, 2026

Sophia Wei-Chun Kao, USPTO Patent Examiner

Listed by the USPTO as KAO, SOPHIA WEI-CHUN

Tech Center 3600 • Art Units: 2817 3652

This examiner grants 96% of resolved cases

Analysis

KAO, SOPHIA WEI-CHUN is assigned to tech center 3600 and art unit 2817. Her profile includes 104 resolved cases, with an allowance rate of 96.2% and a median of 1100 days to allowance. The interview lift is 4.9%, indicating a small positive association between interviews and recorded allowance outcomes. The allowance figure is the dominant signal in this prosecution record.

The listed companies are Samsung Electronics Co., Ltd., Samsung Display Co., Ltd., and Taiwan Semiconductor Manufacturing Company, Ltd. Listed firms include SUGHRUE MION, PLLC, CKC & Partners Co., LLC, and A.C. Entis-IP Ltd. The case volume supports directional review while still requiring matter-specific assessment. Counsel may view interviews as supplementary and focus on preserving the claim features associated with successful prosecution.

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

Performance Statistics

96.2%
Allow Rate
+44.2% vs TC avg
128
Total Applications
+4.9%
Interview Lift
1100
Avg Prosecution Days
Based on 104 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
28.9%
§102 Novelty
51.3%
§103 Obviousness
18.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18906800 DISPLAY DEVICE COMPRISING DISPLAY MODULE, AND MANUFACTURING METHOD THEREFOR Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18431548 IMAGE SENSOR AND MANUFACTURING METHOD OF IMAGE SENSOR Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18534223 LED-CHIP SORTING DEVICE AND LED CHIP MANUFACTURING METHOD Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18906020 DISPLAY DEVICE Non-Final OA Samsung Display Co., LTD.
18440508 LIGHT EMITTING ELEMENT AND DISPLAY DEVICE Non-Final OA Samsung Display Co., LTD.
18499769 DISPLAY PANEL AND DISPLAY APPARATUS Non-Final OA Tianma Advanced Display Technology Institute (Xiamen) Co., Ltd.
18485953 SEMICONDUCTOR DEVICES WITH EMBEDDED FILLER PARTICLES AND ASSOCIATED METHODS FOR THEIR PRODUCTION Final Rejection Infineon Technologies AG
18474240 SEMICONDUCTOR DEVICE AND LAYOUT METHOD OF THE SAME Non-Final OA Realtek Semiconductor Corporation
18440671 DELAMINATION DETECTION STRUCTURE Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18497643 INTEGRATED CIRCUIT DEVICE AND METHOD FOR FABRICATING THE SAME Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
18891121 DISPLAY DEVICE Non-Final OA Magnolia White Corporation
18627993 THREE-DIMENSIONAL MEMORY DEVICE CONTAINING ETCH STOP STRUCTURES FOR WORD LINE CONTACTS AND METHODS OF EMPLOYING THE SAME Non-Final OA SANDISK TECHNOLOGIES LLC

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Frequently Asked Questions

What is examiner Sophia Wei-Chun Kao's allowance rate?

96.2% of resolved applications examined by Sophia Wei-Chun Kao were allowed (104 resolved cases), compared with 81.7% across Art Unit 2817 over the last five years.

Does an interview help with examiner Sophia Wei-Chun Kao?

This examiner's interview lift is +4.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Sophia Wei-Chun Kao take to allow a patent?

Applications allowed by Sophia Wei-Chun Kao took 1,100 days on average from filing to allowance.

Which art unit does examiner Sophia Wei-Chun Kao work in?

Sophia Wei-Chun Kao examines applications in Art Unit 2817 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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