Prosecution Insights
Last updated: August 17, 2026

Examiner: NGUYEN, HUNG

Tech Center 2800 • Art Units: 2851 2852 2882 2893 2899

This examiner grants 91% of resolved cases

Performance Statistics

90.8%
Allow Rate
+22.8% vs TC avg
1,506
Total Applications
+8.9%
Interview Lift
796
Avg Prosecution Days
Based on 1473 resolved cases, 2023–2026

Rejection Statute Breakdown

2.3%
§101 Eligibility
31.7%
§102 Novelty
40.3%
§103 Obviousness
15.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18952436 METHOD OF CORRECTING REGISTRATION ERRORS, METHOD OF MANUFACTURING MASK, AND METHOD OF MANUFACTURING INTEGRATED CIRCUIT Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18753601 CONTAMINATION PREVENTION DEVICE FOR EXTREME ULTRA-VIOLET (EUV) RETICLE AND EUV EXPOSURE APPARATUS INCLUDING THE SAME Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
19082370 EXPOSURE APPARATUS, METHOD OF CONTROLLING EXPOSURE APPARATUS, AND METHOD OF MANUFACTURING PRODUCT Non-Final OA CANON KABUSHIKI KAISHA
18984260 INSPECTION SUPPORT DEVICE, INSPECTION SUPPORT METHOD, AND INSPECTION SUPPORT PROGRAM Non-Final OA FUJIFILM Corporation
18628911 EXPOSURE METHOD, EXPOSURE DEVICE, AND METHOD OF MANUFACTURING OPTICALLY-ANISOTROPIC LAYER Final Rejection FUJIFILM Corporation
18788448 SEMICONDUCTOR PROCESSING TOOL AND METHODS OF OPERATION Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18782783 SEMICONDUCTOR SUBSTRATE STAGE FOR CARRING SUBSTRATE Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18771025 EDGE EXPOSURE APPARATUS AND EDGE EXPOSURE METHOD Final Rejection Tokyo Electron Limited
19086633 LASER PROCESSING UNIT AND METHOD AND APPARATUS FOR MANAGING MASKS Non-Final OA ORC MANUFACTURING CO., LTD.

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