Prosecution Insights
Last updated: April 19, 2026

Examiner: NGUYEN, SANG H

Tech Center 3700 • Art Units: 2877 2886 3791

This examiner grants 88% of resolved cases

Performance Statistics

88.5%
Allow Rate
+18.5% vs TC avg
1467
Total Applications
+11.9%
Interview Lift
812
Avg Prosecution Days
Based on 1440 resolved cases, 2023–2026

Rejection Statute Breakdown

11.4%
§101 Eligibility
22.6%
§102 Novelty
44.2%
§103 Obviousness
13.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18774117 DEPOSITION APPARATUS, MASK FOR DEPOSITION APPARATUS, AND METHOD OF MEASURING GAP BETWEEN MASK FOR DEPOSITION APPARATUS AND SUBSTRATE Non-Final OA Samsung Display Co., LTD.
18890304 CASCADED DFOS TO REDUCE SYSTEM COST AND INCREASE SENSING REACH Non-Final OA NEC Laboratories America, Inc.
18732498 OPTICAL PARTICLE COUNTER AND METHODS Final Rejection ENTEGRIS, INC.
18895175 MULTI-WAVELENGTH ABSORPTION WATER SENSOR WITH HIGH ULTRAVIOLET WAVELENGTH RESOLUTION AND EXTENDED VISIBLE AND NEAR INFRARED MEASUREMENT RANGE Non-Final OA ABB Schweiz AG
18899086 INSPECTION METHOD AND INSPECTION DEVICE OF OPTICAL FIBER RIBBON Non-Final OA SUMITOMO ELECTRIC INDUSTRIES, LTD.
18898318 APPARATUS AND METHOD FOR DETERMINING THREE-DIMENSIONAL SHAPE OF OBJECT Non-Final OA KOH YOUNG TECHNOLOGY INC.
18899560 PATTERN MEASUREMENT DEVICE, PATTERN MEASUREMENT PROGRAM, AND PATTERN MEASUREMENT METHOD Non-Final OA HORIBA STEC, Co., Ltd.
17946204 Endoscopic System with Electrical Bridge in Distal Tip Non-Final OA KARL STORZ Endovision, Inc.
18426319 METHOD AND SYSTEM FOR OPTICAL CHARACTERIZATION OF PATTERNED SAMPLES Final Rejection NOVA LTD.
18804743 SYSTEM FOR MEASURING ROUGHNESS OF CORE SIDEWALL OF OPTICAL WAVEGUIDE BASED ON MODE EXCITATION Non-Final OA Shanghai University
18834341 OPTICAL SYSTEM FOR SAMPLE PROCESSING INSTRUMENT AND SAMPLE PROCESSING INSTRUMENT Non-Final OA Beckman Coulter Biotechnology (Suzhou) Co., Ltd.
18762267 INSPECTION SYSTEM Non-Final OA WIT CO., LTD.
18391620 LENS LOOSENING TEST DEVICE AND LENS LOOSENING TEST METHOD Non-Final OA AAC Optics (Suzhou) Co., Ltd.
18597174 METHOD AND SYSTEM FOR DETERMINING AN OPTIC CENTER OF A LENS BLANK Non-Final OA Benz Research and Development Corp.
18434204 OVERLAY MEASUREMENT APPARATUS AND OVERLAY MEASUREMENT METHOD Non-Final OA AUROS Technology, Inc.

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