Prosecution Insights
Last updated: October 02, 2026

Examiner: HUANG, STEVEN

Tech Center 3700 • Art Units: 3723 3724

This examiner grants 48% of resolved cases

Analysis

Steven Huang is an examiner in Tech Center 3700 and Art Unit 3723. The examiner has 123 resolved cases. This history of resolutions provides a good basis for understanding the examiner's approach and the likely outcomes for patent applications.

The allowance rate for this examiner is 47.2 percent. The interview lift is 36.4 percent. This lift indicates that interviews are a beneficial strategy, providing a significant increase in the probability of allowance over the 47.2 percent baseline. Practitioners should consider the 36.4 percent lift as a strong reason to engage in direct communication with the examiner.

The median days to allowance is 1156. This figure represents the middle of the timeline for successful applications. Applicants should plan for a prosecution period of 1156 days. By utilizing the 36.4 percent interview lift, practitioners can more effectively navigate the 47.2 percent allowance rate to reach a grant within the 1156-day median timeframe.

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

Performance Statistics

47.6%
Allow Rate
-22.4% vs TC avg
163
Total Applications
+36.9%
Interview Lift
1155
Avg Prosecution Days
Based on 124 resolved cases, 2023–2026

Rejection Statute Breakdown

2.4%
§101 Eligibility
18.8%
§102 Novelty
58.6%
§103 Obviousness
17.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18292785 CLEANER Final Rejection LG Electronics Inc.
18279033 CLEANER Final Rejection LG Electronics Inc.
18014246 ROBOT CLEANER AND METHOD OF CONTROLLING THE SAME Non-Final OA LG ELECTRONICS INC.
18014256 ROBOT CLEANER AND METHOD OF CONTROLLING THE SAME Non-Final OA LG ELECTRONICS INC.
18014258 ROBOT CLEANER AND ROBOT CLEANING SYSTEM INCLUDING THE SAME Final Rejection LG ELECTRONICS INC.
18918766 VACUUM SEPARATION DEVICE Non-Final OA MILWAUKEE ELECTRIC TOOL CORPORATION
18910208 WALK-BEHIND BLOWER Non-Final OA Milwaukee Electric Tool Corporation
18203716 COPING SYSTEM Final Rejection MILWAUKEE ELECTRIC TOOL CORPORATION
18722861 SYSTEMS AND METHODS FOR MEASURING A SIZE OF A CUTTING WHEEL Non-Final OA Illinois Tool Works Inc.
18521366 CLEANING DEVICE Final Rejection Beijing Roborock Technology Co., Ltd.
18808430 POLISHING MATERIAL SUPPLY SYSTEM AND RELATED METHODS Non-Final OA Taiwan Semiconductor Manufacturing Company Limited
17874627 MINIMIZING SUBSTRATE BOW DURING POLISHING Final Rejection Applied Materials, Inc.
18923685 POLISHING APPARATUS Non-Final OA EBARA CORPORATION
18281044 METHOD FOR PROCESSING A WAFER AND WAFER Final Rejection SHIN-ETSU HANDOTAI CO., LTD.
17605463 A Hand-Held Electrically Powered Work Tool Creating an Overpressure in the Interior Space of the Support Arm Final Rejection HUSQVARNA AB
18266545 FLOOR CLEANER DOCK Non-Final OA Dyson Technology Limited
18850879 Support Base For A Handheld Vacuum Cleaner Non-Final OA SEB S.A.
17747575 METHOD FOR OPERATING A DOUBLE-SIDED PROCESSING MACHINE AND DOUBLE-SIDED PROCESSING MACHINE Final Rejection Lapmaster Wolters GmbH

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