Prosecution Insights
Last updated: October 26, 2026

Sunghyoun Park, USPTO Patent Examiner

Listed by the USPTO as PARK, SUNGHYOUN

Tech Center 2400 • Art Units: 2484

This examiner grants 75% of resolved cases

Analysis

Examiner Sunghyoun Park is assigned to Tech Center 2400 and Art Unit 2484. The profile shows 639 resolved cases with an allowance rate of 75.4 percent. This allowance rate is higher than the interview lift of 9.3 percent. The median days to allowance for cases that reach a grant is 1000.

The 75.4 percent allowance rate indicates the proportion of the 639 resolved cases that result in a patent grant. An interview lift of 9.3 percent suggests that direct engagement with the examiner is a factor in the prosecution process. Practitioners should evaluate the 1000 median days to allowance when determining the expected timeline for their applications.

Top companies appearing in this record include Samsung Electronics Co., Ltd., Sony Group Corporation, and Adeia Technologies Inc. Representation is provided by firms such as HG Law LLP (Adeia), BANNER & WITCOFF, LTD., and BIRCH STEWART KOLASCH & BIRCH, LLP. These firms navigate the 75.4 percent allowance rate and the 1000 median days to allowance while managing their clients' intellectual property assets.

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

Performance Statistics

75.4%
Allow Rate
+17.4% vs TC avg
680
Total Applications
+9.3%
Interview Lift
1000
Avg Prosecution Days
Based on 639 resolved cases, 2023–2026

Rejection Statute Breakdown

7.1%
§101 Eligibility
23.6%
§102 Novelty
53.1%
§103 Obviousness
6.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19177623 INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND PROGRAM Final Rejection FUJIFILM Corporation
18567485 ARTIFICIAL INTELLIGENCE DEVICE, AND METHOD FOR OPERATING ARTIFICIAL INTELLIGENCE DEVICE Non-Final OA LG ELECTRONICS INC.
19307859 ELECTRONIC APPARATUS AND METHOD FOR CONTROLLING THEREOF Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
19208166 HEAD MOUNTED DEVICE INCLUDING DISPLAY MODULE Final Rejection Samsung Electronics Co., Ltd.
19046007 Re-Timing Objects in Video Via Layered Neural Rendering Final Rejection Google LLC
18728898 INFORMATION PROCESSING METHOD, INFORMATION PROCESSING SYSTEM, AND PROGRAM Non-Final OA Sony Group Corporation
18574202 IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, AND PROGRAM Non-Final OA Sony Group Corporation
18558295 IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND PROGRAM Final Rejection Sony Group Corporation
19024819 Method and Apparatus for Generating Video with 3D Effect, Method and Apparatus for Playing Video with 3D Effect, and Device Non-Final OA Tencent Technology (Shenzhen) Company Limited
18126518 AUGMENTING PLAYBACK OF A RECORDING THROUGH USER INTERACTION Non-Final OA International Business Machines Corporation
18278930 MONITORING SYSTEM, MONITORING DEVICE, AND CONSTRUCTION MACHINE Non-Final OA HITACHI CONSTRUCTION MACHINERY CO., LTD.

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Who Appears Before This Examiner

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Frequently Asked Questions

What is examiner Sunghyoun Park's allowance rate?

75.4% of resolved applications examined by Sunghyoun Park were allowed (639 resolved cases), compared with 65.7% across Art Unit 2484 over the last five years.

Does an interview help with examiner Sunghyoun Park?

This examiner's interview lift is +9.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

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

Applications allowed by Sunghyoun Park took 1,000 days on average from filing to allowance.

Which art unit does examiner Sunghyoun Park work in?

Sunghyoun Park examines applications in Art Unit 2484 in Tech Center 2400 (Networking & Security).

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