Prosecution Insights
Last updated: October 26, 2026

Hong Zhou, USPTO Patent Examiner

Listed by the USPTO as ZHOU, HONG

Tech Center 2800 • Art Units: 2621 2623 2629 2695 2834 2893

This examiner grants 77% of resolved cases

Analysis

ZHOU, HONG is assigned to Tech Center 2800 and Art Unit 2621. The profile includes 899 resolved cases and an allowance rate of 77.4%. The median time to allowance is 904 days, providing a useful timing reference for applicants evaluating prosecution schedules and continuation strategies.

The interview lift is 16.7%, showing a moderate association between interviews and allowance outcomes. Practitioners may use interviews to test proposed claim distinctions and focus the subsequent response on issues that remain material. The represented companies are Wacom Co., Ltd., Samsung Electronics Co., Ltd., and BOE Technology Group Co., Ltd. The listed firms are ARENTFOX SCHIFF LLP, SEED INTELLECTUAL PROPERTY LAW GROUP LLP, and SUGHRUE MION, PLLC.

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

Performance Statistics

77.4%
Allow Rate
+9.4% vs TC avg
923
Total Applications
+16.7%
Interview Lift
904
Avg Prosecution Days
Based on 899 resolved cases, 2023–2026

Rejection Statute Breakdown

2.3%
§101 Eligibility
21.9%
§102 Novelty
57.3%
§103 Obviousness
11.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19453550 SLIDABLE ELECTRONIC DEVICE FOR CONTROLLING FLEXIBLE DISPLAY PANEL, METHOD THEREFOR, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM Non-Final OA Samsung Electronics Co., Ltd.
19305368 DISPLAY APPARATUS AND CONTROLLING METHOD THEREOF Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
19298961 POSITION INDICATOR Final Rejection Wacom Co., Ltd.
18894012 TOUCH DRIVING METHOD, TOUCH MODULE AND DISPLAY DEVICE Final Rejection BOE Technology Group Co., Ltd.

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Frequently Asked Questions

What is examiner Hong Zhou's allowance rate?

77.4% of resolved applications examined by Hong Zhou were allowed (899 resolved cases), compared with 64.2% across Art Unit 2621 over the last five years.

Does an interview help with examiner Hong Zhou?

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 Hong Zhou take to allow a patent?

Applications allowed by Hong Zhou took 904 days on average from filing to allowance.

Which art unit does examiner Hong Zhou work in?

Hong Zhou examines applications in Art Unit 2621 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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