Prosecution Insights
Last updated: October 26, 2026

Sanghyuk Park, USPTO Patent Examiner

Listed by the USPTO as PARK, SANGHYUK

Tech Center 2600 • Art Units: 2618 2621 2623 2629 2691

This examiner grants 71% of resolved cases

Analysis

This record includes 745 resolved cases in Tech Center 2600 and Art Unit 2618. The allowance rate is 71.4%, and the median time to allowance is 968 days. Interview lift is 16.7%, indicating a positive association that can support direct discussion of claim and prior-art issues.

The listed companies are Samsung Electronics Co., Ltd., LG Display Co., Ltd., and Google LLC. The listed firms are BRAKE HUGHES BELLERMANN LLP, Brooks Kushman P.C., and COLLARD & ROE, P.C. Practitioners should view interviews as a useful complement to written prosecution in a record with substantial case volume.

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

Performance Statistics

71.4%
Allow Rate
+9.4% vs TC avg
759
Total Applications
+16.7%
Interview Lift
968
Avg Prosecution Days
Based on 745 resolved cases, 2023–2026

Rejection Statute Breakdown

1.1%
§101 Eligibility
22.7%
§102 Novelty
56.8%
§103 Obviousness
17.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19412288 ELECTRONIC DEVICE, METHOD, AND STORAGE MEDIUM FOR CHANGING DISPLAY MODE OF DISPLAY Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18887681 DISPLAY DRIVING CIRCUIT, HOST, DISPLAY SYSTEM INCLUDING THE SAME AND METHOD OF OPERATING THE DISPLAY DRIVING CIRCUIT Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
19093973 DISPLAY APPARATUS Final Rejection LG Display Co., Ltd.
19385361 MOVEMENT DETECTION IN AN EXTENDED REALITY ENVIRONMENT Non-Final OA GOOGLE LLC

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Frequently Asked Questions

What is examiner Sanghyuk Park's allowance rate?

71.4% of resolved applications examined by Sanghyuk Park were allowed (745 resolved cases), compared with 57.3% across Art Unit 2618 over the last five years.

Does an interview help with examiner Sanghyuk Park?

This examiner's interview lift is +16.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

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

Applications allowed by Sanghyuk Park took 968 days on average from filing to allowance.

Which art unit does examiner Sanghyuk Park work in?

Sanghyuk Park examines applications in Art Unit 2618 in Tech Center 2600 (Communications).

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