Prosecution Insights
Last updated: May 29, 2026

Examiner: CHOI, JAMES J

Tech Center 2800 • Art Units: 2878 2881

This examiner grants 67% of resolved cases

Performance Statistics

66.8%
Allow Rate
-1.2% vs TC avg
439
Total Applications
+46.6%
Interview Lift
1029
Avg Prosecution Days
Based on 383 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
0.6%
§102 Novelty
98.5%
§103 Obviousness
0.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18162959 Compact Atomic Beam Generator Non-Final OA Georgia Tech Research Corporation
18454285 OPTOELECTROFLUIDIC DEVICE FOR MASSIVE PARALLEL TRAPPING AND ENHANCED SPECTROSCOPY OF SINGLE NANOSCALE OBJECTS Non-Final OA Vanderbilt University
18131271 APPARATUS, SYSTEM AND TECHNIQUES FOR MASS ANALYZED ION BEAM Final Rejection Applied Materials, Inc.
18458075 SEMICONDUCTOR DEVICE Non-Final OA Toshiba Electronic Devices & Storage Corporation
18456304 GAS INJECTION SUBSYSTEM FOR USE IN AN INSPECTION SYSTEM TO INSPECT A SAMPLE BY USE OF CHARGED PARTICLES AND INSPECTION SYSTEM HAVING SUCH GAS INJECTION SUBSYSTEM Non-Final OA Carl Zeiss SMT GmbH
18277353 Atom Beam Generation Device, Physical Package, Optical Lattice Clock Physical Package, Atomic Clock Physical Package, Atomic Interferometer Physical Package, Quantum Information Processing Device Physical Package, and Physical Package System Final Rejection RIKEN
18038476 Slow Atomic Beam Generator, Physical Package, Physical Package for Optical Lattice Clock, Physical Package for Atomic Clock, Physical Package for Atomic Interferometer, Physical Package for Quantum Information Processing Device, and Physical Package System Final Rejection RIKEN
18464243 DIRECT WRITING SYSTEM USED FOR ELECTRON BEAM LITHOGRAPHY Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
17348031 TUNING APPARATUS FOR MINIMUM DIVERGENCE ION BEAM Final Rejection Axcelis Technologies, Inc.
18128405 Charged Particle Beam Device Final Rejection Hitachi High-Tech Corporation
18127864 Charged Particle Beam System Final Rejection Hitachi High-Tech Corporation
18127858 Processing System and Charged Particle Beam Apparatus Final Rejection Hitachi High-Tech Corporation
18369619 FLOOD COLUMN AND CHARGED PARTICLE APPARATUS Final Rejection ASML Netherlands B.V.
18209445 CHARGED PARTICLE SYSTEM, METHOD OF PROCESSING A SAMPLE USING A MULTI-BEAM OF CHARGED PARTICLES Non-Final OA ASML Netherlands B.V.
18134020 APERTURE PATTERNS FOR DEFINING MULTI-BEAMS Non-Final OA ASML Netherlands B.V.
17989195 METHOD FOR FOCUSING AND OPERATING A PARTICLE BEAM MICROSCOPE Non-Final OA Carl Zeiss Microscopy GmbH
18477251 METHOD OF AUTOMATED DATA ACQUISITION FOR A TRANSMISSION ELECTRON MICROSCOPE Non-Final OA FEI Company
17957171 CHARGED PARTICLE MICROSCOPE HAVING VACUUM IN SPECIMEN CHAMBER Non-Final OA FEI COMPANY
18276172 Mass and Kinetic Energy Ordering of Ions Prior to Orthogonal Extraction Using Dipolar DC Final Rejection DH Technologies Development Pte. Ltd.
18464063 METHOD OF CONTROLLING A MULTI-POLE DEVICE TO REDUCE OMISSION OF EXITING CHARGED PARTICLES FROM DOWNSTREAM ANALYSIS Non-Final OA WATERS TECHNOLOGIES CORPORATION
18251934 Removable Ion Source Capable Of Axial Or Cross Beam Ionization Non-Final OA THERMO FINNIGAN LLC
18267356 DEVICE FOR DISINFECTING A FLUID FLOW IN A CONDUIT BY MEANS OF UV-C RADIATION Final Rejection ISTITUTO NAZIONALE DI ASTROFISICA
18352733 MASS SPECTROMETRY DEVICE WITH SEGMENTED AND GRADUAL ION TRANSPORT CHANNEL Final Rejection Hangzhou Calibra TECHNOLOGIES Co., Ltd.
17779796 ELECTRON BEAM RADIATION SYSTEM WITH ADVANCED APPLICATOR COUPLING SYSTEM HAVING INTEGRATED DISTANCE DETECTION AND TARGET ILLUMINATION Final Rejection INTRAOP MEDICAL CORPORATION

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