Prosecution Insights
Last updated: May 29, 2026

Examiner: NGUYEN, HUNG

Tech Center 2800 • Art Units: 2851 2882 2899

This examiner grants 91% of resolved cases

Performance Statistics

90.7%
Allow Rate
+22.7% vs TC avg
1,483
Total Applications
+8.9%
Interview Lift
797
Avg Prosecution Days
Based on 1459 resolved cases, 2023–2026

Rejection Statute Breakdown

1.7%
§101 Eligibility
17.0%
§102 Novelty
55.9%
§103 Obviousness
8.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18899570 LITHOGRAPHY TRACK SYSTEM Non-Final OA Samsung Electronics Co., Ltd.
18906920 ARRANGEMENT, METHOD AND COMPUTER PROGRAM PRODUCT FOR CALIBRATING FACET MIRRORS Non-Final OA Carl Zeiss SMT GmbH
18437409 EUV COLLECTOR FOR USE IN AN EUV PROJECTION EXPOSURE APPARATUS Final Rejection Carl Zeiss SMT GmbH
18788179 CLEANING METHOD, METHOD FOR FORMING SEMICONDUCTOR STRUCTURE AND SYSTEM THEREOF Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
18788448 SEMICONDUCTOR PROCESSING TOOL AND METHODS OF OPERATION Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18771025 EDGE EXPOSURE APPARATUS AND EDGE EXPOSURE METHOD Non-Final OA Tokyo Electron Limited
18769841 LIQUID TREATMENT METHOD AND STORAGE MEDIUM Final Rejection Tokyo Electron Limited
18714547 OVERLAY METROLOGY BASED ON TEMPLATE MATCHING WITH ADAPTIVE WEIGHTING Non-Final OA ASML NETHERLANDS B.V.
18711842 APPARATUS FOR SUPPLYING LIQUID TARGET MATERIAL TO A RADIATION SOURCE Non-Final OA ASML Netherlands B.V.
18286327 METROLOGY TOOL CALIBRATION METHOD AND ASSOCIATED METROLOGY TOOL Non-Final OA ASML Netherlands B.V.
18890360 MULTI-CAMERA SYNCHRONIZATION FOR INSPECTION SYSTEMS Non-Final OA VIRTEK VISION INTERNATIONAL INC.
18829227 USE OF LAYOUT ANALYSIS TO ENABLE EFFICIENT AND EFFECTIVE RANDOM DEFECT INSPECTION USING A VECTOR-MODE E-BEAM INSPECTION MACHINE Non-Final OA PDF Solutions, Inc.
18838815 PHOTOETCHING MACHINE WITH OPTICAL FIBER ARRAYS Non-Final OA WESTLAKE UNIVERSITY
18398651 MICRO LED DETECTION DEVICE Non-Final OA BUENO OPTICS CO., LTD.

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