Prosecution Insights
Last updated: October 26, 2026

Hung S Bui, USPTO Patent Examiner

Listed by the USPTO as BUI, HUNG S

Tech Center 2800 • Art Units: 2835 2841 2846

This examiner grants 87% of resolved cases

Analysis

BUI, HUNG S is assigned to art unit 2835 within tech center 2800 and has 1667 resolved cases. The allowance rate is 87.4%, the interview lift is 10.1%, and the median time to allowance is 785 days. The extensive case history supports using the allowance measure as a practical planning input. The interview figure indicates a limited positive measured effect, so counsel may prioritize strong claim presentation and efficient written responses.

The represented companies are LG Electronics Inc., Samsung Electronics Co., Ltd., and Apple Inc. The leading firms are SUGHRUE MION, PLLC, Treyz Law Group, and Anova Law Group, PLLC. This participant mix provides a clear electronics context for preparation and portfolio review. The median timeline supports relatively direct scheduling while still requiring attention to continuation and commercial objectives.

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

Performance Statistics

87.4%
Allow Rate
+19.4% vs TC avg
1,702
Total Applications
+10.1%
Interview Lift
785
Avg Prosecution Days
Based on 1667 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
37.9%
§102 Novelty
56.1%
§103 Obviousness
1.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19107530 DISPLAY DEVICE Non-Final OA LG ELECTRONICS INC.
19105718 DISPLAY DEVICE Non-Final OA LG ELECTRONICS INC.
19073786 ELECTRONIC DEVICE INCLUDING SHIELD CAN Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
19056367 DISPLAY DEVICE OPERATING IN LANDSCAPE MODE OR PORTRAIT MODE, AND METHOD FOR CONTROLLING SAME Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
19085967 Electronic Device With Flexible Display Structures Non-Final OA Apple Inc.
19074085 Electronic Devices Having Sliding Expandable Displays Non-Final OA Apple Inc.
19195271 DISPLAY APPARATUS Non-Final OA LG DISPLAY CO., LTD.
18886431 ELECTRONIC DEVICE Non-Final OA Samsung Display Co., LTD.
18653134 TERMINAL BLOCK FOR MOUNTING DC LINK CAPACITOR Non-Final OA Rivian IP Holdings, LLC
19085724 HOUSING AND ELECTRONIC DEVICE Non-Final OA Lenovo Enterprise Solutions (Singapore) Pte. Ltd.
18998242 POWER MODULE AND METHOD FOR PRODUCING THE POWER MODULE Non-Final OA MAGNA Powertrain GmbH & Co KG
19179505 PASSIVE COOLING DEVICE FOR HEAD-WEARABLE DEVICES, AND SYSTEMS AND METHODS OF USE THEREOF Non-Final OA Meta Platforms Technologies, LLC
19103391 ELECTRONIC CONTROL DEVICE Non-Final OA HITACHI ASTEMO, LTD.
19132443 PORTABLE ELECTRONIC DEVICE Non-Final OA Razer (Asia-Pacific) Pte. Ltd.
19226916 WIRELESS REMOTE CONTROL AND MOUNT SYSTEM Non-Final OA ABL IP Holding, LLC
18748385 COMPUTING DEVICE CARD SYSTEM Final Rejection Dell Products L.P.

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Frequently Asked Questions

What is examiner Hung S Bui's allowance rate?

87.4% of resolved applications examined by Hung S Bui were allowed (1,667 resolved cases), compared with 56.2% across Art Unit 2835 over the last five years.

Does an interview help with examiner Hung S Bui?

This examiner's interview lift is +10.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Hung S Bui take to allow a patent?

Applications allowed by Hung S Bui took 785 days on average from filing to allowance.

Which art unit does examiner Hung S Bui work in?

Hung S Bui examines applications in Art Unit 2835 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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