Prosecution Insights
Last updated: April 19, 2026

Examiner: PERSAUD, DEORAM

Tech Center 2800 • Art Units: 2882

This examiner grants 76% of resolved cases

Performance Statistics

76.5%
Allow Rate
+8.5% vs TC avg
784
Total Applications
+12.0%
Interview Lift
1013
Avg Prosecution Days
Based on 748 resolved cases, 2023–2026

Rejection Statute Breakdown

2.7%
§101 Eligibility
34.5%
§102 Novelty
46.3%
§103 Obviousness
5.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18659932 SUBSTRATE PROCESSING METHOD AND SUBSTRATE PROCESSING APPARATUS USING THE SAME Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18486726 SYSTEMS AND METHODS FOR DIGITAL LITHOGRAPHY SCAN SEQUENCING Non-Final OA Applied Materials, Inc.
18100698 PHASE PLATE AND FABRICATION METHOD FOR COLOR-SEPARATED LASER BACKLIGHT IN DISPLAY SYSTEMS Final Rejection Meta Platforms Technologies, LLC
18489404 FABRICATION OF NANOIMPRINT WORKING STAMPS WITH COMBINED PATTERNS FROM MULTIPLE MASTER STAMPS Non-Final OA GOOGLE LLC
18248474 RETICLE EXCHANGE DEVICE WITH RETICLE LEVITATION Final Rejection Massachusetts Institute of Technology
18648561 OPTICAL SYSTEM FOR A METROLOGY SYSTEM AND METROLOGY SYSTEM WITH SUCH AN OPTICAL SYSTEM Non-Final OA Carl Zeiss SMT GmbH
18361092 LAYER-FORMING METHOD, OPTICAL ELEMENT AND OPTICAL SYSTEM Non-Final OA Carl Zeiss SMT GmbH
18790520 EUV LITHOGRAPHY SYSTEM HAVING A GAS-BINDING COMPONENT Non-Final OA ASML Netherlands B.V.
18712671 SURROUNDING PATTERN AND PROCESS AWARE METROLOGY Non-Final OA ASML NETHERLANDS B.V.
18704337 INSPECTION APPARATUS, POLARIZATION-MAINTAINING ROTATABLE BEAM DISPLACER, AND METHOD Non-Final OA ASML Netherlands B.V.
18690871 OUT-OF-BAND LEAKAGE CORRECTION METHOD AND METROLOGY APPARATUS Final Rejection ASML NETHERLANDS B.V.
18578947 LITHOGRAPHY SYSTEM, SUBSTRATE SAG COMPENSATOR, AND METHOD Final Rejection ASML Netherlands B.V.
18567053 METHOD AND ARRANGEMENT FOR DETERMINING THERMALLY-INDUCED DEFORMATIONS Final Rejection ASML NETHERLANDS B.V.
18281614 METHOD OF DETERMINING AT LEAST A TARGET LAYOUT AND ASSOCIATED METROLOGY APPARATUS Final Rejection ASML NETHERLANDS B.V.
18242842 METHOD FOR CONTROLLING A MANUFACTURING PROCESS AND ASSOCIATED APPARATUSES Non-Final OA ASML NETHERLANDS B.V.
18277223 METHODS AND APPARATUS FOR CHARACTERIZING A SEMICONDUCTOR MANUFACTURING PROCESS Final Rejection ASML NETHERLANDS B.V.
18233263 METHOD AND SYSTEM TO MONITOR A PROCESS APPARATUS Final Rejection ASML NETHERLANDS B.V.
18237527 MEASURING DEVICE AND MACHINING DEVICE Non-Final OA Tokyo Seimitsu Co., Ltd.
18793570 SPATIALLY-VARYING SPECTRAL METROLOGY FOR LOCAL VARIATION DETECTION Non-Final OA KLA Corporation
18675653 ILLUMINATION OPTICAL SYSTEM, EXPOSURE APPARATUS, IRRADIATION METHOD, AND COMPONENT MANUFACTURING METHOD Non-Final OA Ushio Denki Kabushiki Kaisha
18558455 REAL-TIME PATTERNING HOTSPOT ANALYZER Non-Final OA Siemens Industry Software Inc.
18398919 SUBSTRATE EDGE PATTERNING TECHNIQUES Final Rejection Onto Innovation Inc.

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