Prosecution Insights
Last updated: May 29, 2026

Examiner: STOFFA, WYATT A

Tech Center 2800 • Art Units: 2872 2881 2892

This examiner grants 80% of resolved cases

Performance Statistics

79.9%
Allow Rate
+11.9% vs TC avg
1,095
Total Applications
+22.4%
Interview Lift
836
Avg Prosecution Days
Based on 1016 resolved cases, 2023–2026

Rejection Statute Breakdown

0.8%
§101 Eligibility
9.5%
§102 Novelty
61.8%
§103 Obviousness
20.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18131485 PET CARE ROBOT STATION Non-Final OA Samsung Electronics Co., Ltd.
18029736 STORAGE ASSEMBLY HAVING AT LEAST ONE STORAGE COMPARTMENT Non-Final OA MERCEDES-BENZ GROUP AG
18339705 CONTACTLESS SCREENING OF A QUBIT Final Rejection International Business Machines Corporation
18103736 LOW PROFILE LIGHT DELIVERY SYSTEM Final Rejection UV Partners, Inc.
18424564 METHODS AND SYSTEMS FOR PHASE GATES IN QUANTUM COMPUTERS Non-Final OA Universal Quantum Ltd
18518273 METHOD AND SYSTEM FOR COMPOUND DETERMINATION BY MASS SPECTROMETRY Non-Final OA SHIMADZU CORPORATION
18695398 LIQUID CRYSTAL ELASTOMER PRECURSOR SOLUTION MATERIAL AND PHOTOPOLYMERIZATION APPARATUS FOR PREPARING LIQUID CRYSTAL ELASTOMER WITH THE SAME Final Rejection Seoul National University R&DB Foundation
18202197 MULTI-ELEMENT ATOM ARRAY Non-Final OA The University of Chicago
18228599 DEVICES AND PROCESSES FOR MASS SPECTROMETRY UTILIZING VIBRATING SHARP-EDGE SPRAY IONIZATION Non-Final OA West Virginia University Board of Governors on Behalf of West Virginia University
18681404 Charged Particle Beam Device Non-Final OA Hitachi High-Tech Corporation
18397896 CHARGED PARTICLE ASSESSMENT SYSTEM AND METHOD OF ALIGNING A SAMPLE IN A CHARGED PARTICLE ASSESSMENT SYSTEM Non-Final OA ASML Netherlands B.V.
18038206 SEMICONDUCTOR CHARGED PARTICLE DETECTOR FOR MICROSCOPY Final Rejection ASML Netherlands B.V.
18111503 SYSTEM AND METHOD FOR ALIGNING ELECTRON BEAMS IN MULTI-BEAM INSPECTION APPARATUS Non-Final OA ASML Netherlands B.V.
17961247 APERTURE ASSEMBLY, BEAM MANIPULATOR UNIT, METHOD OF MANIPULATING CHARGED PARTICLE BEAMS, AND CHARGED PARTICLE PROJECTION APPARATUS Non-Final OA ASML Netherlands B.V.
18085501 METHOD AND SYSTEM FOR PROVIDING MULTIPLE SEALS FOR A COMPACT VACUUM CELL Non-Final OA ColdQuanta, Inc.
17687643 COHERENT OSCILLATORY MATTERWAVE RESONATOR SYSTEM Final Rejection ColdQuanta, Inc.
18107942 CROSSTALK SUPPRESSION WITH LOCAL CONTROLS Non-Final OA DUKE UNIVERSITY
18510705 EXTREME ULTRAVIOLET LIGHT GENERATION SYSTEM AND ELECTRONIC DEVICE MANUFACTURING METHOD Non-Final OA Gigaphoton Inc.
18164535 EXTREME ULTRAVIOLET LIGHT GENERATION APPARATUS AND ELECTRONIC DEVICE MANUFACTURING METHOD Non-Final OA Gigaphoton Inc.
18163529 EXTREME ULTRAVIOLET LIGHT GENERATION APPARATUS AND ELECTRONIC DEVICE MANUFACTURING METHOD Non-Final OA Gigaphoton Inc.
18172489 Imager of a Magnetic Field using Josephson Junctions Non-Final OA The United States of America, as represented by the Secretary of the Navy
18042430 GRAPHENE GRID, METHOD FOR PRODUCING GRAPHENE GRID, AND METHOD FOR ANALYZING STRUCTURAL ANALYSIS TARGET SUBSTANCE Non-Final OA OSAKA UNIVERSITY
18556409 NEBULISER OUTLET Non-Final OA Micromass UK Limited
18355956 METHOD OF EXAMINING A SAMPLE USING A CHARGED PARTICLE MICROSCOPE Final Rejection FEI Company
18265897 CHARGED PARTICLE MICROSCOPY MEMS SAMPLE SUPPORT Final Rejection UNIVERSITEIT ANTWERPEN
18685534 Extending Operational Lifetime of a Mass Spectrometer Non-Final OA DH Technologies Development Pte. Ltd.
18276609 Method of Performing Ms/Ms of High Intensity Ion Beams Using a Bandpass Filtering Collision Cell to Enhance Mass Spectrometry Robustness Final Rejection DH Technologies Development Pte. Ltd.
18262852 SYSTEMS AND METHODS FOR OBTAINING SAMPLES FOR ANALYSIS Non-Final OA DH Technologies Development Pte. Ltd.
18258359 DYNAMIC EJECTION DELAY TIME FOR ACOUSTIC EJECTION MASS SPECTROMETRY Final Rejection DH Technologies Development Pte. Ltd.
18225837 Quantum Devices with Left-Handed Ring Resonators Non-Final OA Forschungszentrum Jülich GmbH

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