Prosecution Insights
Last updated: October 26, 2026

Samuel Park, USPTO Patent Examiner

Listed by the USPTO as PARK, SAMUEL

Tech Center 4100 • Art Units: 2817 2818 4100

This examiner grants 85% of resolved cases

Analysis

This record covers 488 resolved cases in Tech Center 4100 and Art Unit 2817. The allowance rate is 84.6%, with a median of 933 days to allowance. Interview lift is 24.0%, showing a positive association that may make interviews useful when technical issues remain disputed.

The leading companies are LG Display Co., Ltd., Samsung Display Co., Ltd., and Applied Materials Inc. The leading firms are CANTOR COLBURN LLP, Chiesa Shahinian & Giantomasi PC, and CONLEY ROSE, P.C. The data supports a favorable allowance outlook combined with deliberate management of the 933-day median.

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

Performance Statistics

84.6%
Allow Rate
+24.6% vs TC avg
528
Total Applications
+24.0%
Interview Lift
933
Avg Prosecution Days
Based on 488 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%
§101 Eligibility
23.1%
§102 Novelty
54.3%
§103 Obviousness
20.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18898397 Display Device and Method for Manufacturing the Same Non-Final OA LG Display Co., Ltd.
18898445 Display Device and Method for Manufacturing the Same Non-Final OA LG Display Co., Ltd.
18884672 Display Device Non-Final OA LG Display Co., Ltd.
18808722 METHOD OF MANUFACTURING DISPLAY DEVICE Non-Final OA Samsung Display Co., Ltd.
18774484 DISPLAY DEVICE Non-Final OA Samsung Display Co., LTD.
18769129 IMAGE PICKUP ELEMENT, STACKED IMAGE PICKUP ELEMENT, AND SOLID IMAGE PICKUP APPARATUS Final Rejection SONY SEMICONDUCTOR SOLUTIONS CORPORATION
18838487 DISPLAY SUBSTRATE AND DISPLAY APPARATUS Non-Final OA BOE Technology Group Co., Ltd.
18423110 SEMICONDUCTOR MEMORY DEVICE Non-Final OA Kioxia Corporation
18417485 INTERPOSER Final Rejection Murata Manufacturing Co., Ltd.
18353211 SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE INCLUDING ELECTROSTATIC DISCHARGE PROTECTION CIRCUIT Final Rejection SK hynix Inc.
18533721 SEMICONDUCTOR DEVICE Final Rejection ROHM CO., LTD.
18590111 MICROWAVE ASSISTED PASSIVATION LAYER REMOVAL Non-Final OA Applied Materials, Inc.
18378850 SACRIFICIAL SOURCE/DRAIN FOR METALLIC SOURCE/DRAIN HORIZONTAL GATE ALL AROUND ARCHITECTURE Non-Final OA Applied Materials, Inc.
18348741 ELECTROSTATIC DISCHARGE IN GALLIUM NITRIDE DEVICES Final Rejection Taiwan Semiconductor Manufacturing Company, Ltd.
18790227 SINGULATION AND BONDING METHODS AND STRUCTURES FORMED THEREBY Non-Final OA Taiwan Semiconductor Manufacturing Co., Ltd.

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Frequently Asked Questions

What is examiner Samuel Park's allowance rate?

84.6% of resolved applications examined by Samuel Park were allowed (488 resolved cases), compared with 81.7% across Art Unit 2817 over the last five years.

Does an interview help with examiner Samuel Park?

This examiner's interview lift is +24.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Samuel Park take to allow a patent?

Applications allowed by Samuel Park took 933 days on average from filing to allowance.

Which art unit does examiner Samuel Park work in?

Samuel Park examines applications in Art Unit 2817 in Tech Center 4100.

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