Prosecution Insights
Last updated: April 19, 2026

Examiner: KALISZEWSKI, ALINA ROSE

Tech Center 3700 • Art Units: 2881 3791

This examiner grants 81% of resolved cases

Performance Statistics

80.9%
Allow Rate
+10.9% vs TC avg
92
Total Applications
+28.1%
Interview Lift
1138
Avg Prosecution Days
Based on 47 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
15.8%
§102 Novelty
54.1%
§103 Obviousness
29.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18566484 IMAGING DEVICE AND METHOD OF OPERATING THE SAME Non-Final OA Sony Group Corporation
18279545 Remote Chamber And Dart-MS System Using Same Final Rejection LG Chem, Ltd.
18380448 ION SOURCE WITH WIRE FORM METAL DOPANT Final Rejection Applied Materials, Inc.
18508669 ION SOURCE APPARATUS AND MASS SPECTROMETER Final Rejection SHIMADZU CORPORATION
18559166 TIME-OF-FLIGHT MASS SPECTROMETER AND TIME-OF-FLIGHT MASS SPECTROMETRY METHOD Non-Final OA Shimadzu Corporation
18390046 Processor System, Correction Method, and Correction Program Non-Final OA Hitachi High-Tech Corporation
18061338 CHARGED PARTICLE BEAM GENERATION Non-Final OA Microchip Technology Incorporated
18148003 ELECTROMAGNETIC WAVE ABSORBING MATERIAL, PREPARING METHOD THEREOF AND COMPOSITE STRUCTURE FOR SUPPRESSING ELECTROMAGNETIC INTERFERENCE Final Rejection Industrial Technology Research Institute
18548062 ELECTRONIC TWEEZERS Final Rejection ZHEJIANG UNIVERSITY
18375512 IMAGING THOUSANDS OF ELECTRON BEAMS DURING WORKPIECE INSPECTION Non-Final OA KLA Corporation
18273914 Pressure Control in Vacuum Chamber of Mass Spectrometer Final Rejection DH Technologies Development Pte. Ltd.
18546528 ION SOURCE NEBULISER Final Rejection Micromass UK Limited
17998289 NEUTRON BEAM SHIELDING GYPSUM-BASED BUILDING BOARD AND METHOD OF MANUFACTURING NEUTRON BEAM SHIELDING GYPSUM-BASED BUILDING BOARD Non-Final OA YOSHINO GYPSUM CO., LTD.
18485133 DRY ELECTRON SOURCE ENVIRONMENT Non-Final OA FEI Company
18453978 DIFFERENTIAL PHASE CONTRAST MICROANALYSIS USING ENERGY LOSS SPECTROMETERS Final Rejection FEI Company
17969512 DEVICES TO REDUCE RADIATION EXPOSURE Non-Final OA Egg Medical, Inc.
18466766 TUNING A MASS SPECTROMETER FILTER Non-Final OA Thermo Fisher Scientific (Bremen) GmbH
18519810 CHARGED PARTICLE BEAM APPARATUS Non-Final OA KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE
18466925 SYSTEM FOR ANALYZING A SAMPLE Non-Final OA Analytik Jena GmbH+Co. KG
18429943 MOBILE UVC LIGHT PROJECTION UNIT Non-Final OA UVC Science, Inc.
18116036 JET IMPINGEMENT COOLING ASSEMBLY FOR PLASMA WINDOWS POSITIONED IN A BEAM ACCELERATOR SYSTEM Non-Final OA SHINE Technologies, LLC
18205711 METHOD AND SYSTEM FOR INDEXING ELECTRON DIFFRACTION PATTERNS Non-Final OA Oxford Instruments Nanotechnology Tools Limited
18210169 Electron Spectrometer and Analytical Method Final Rejection JEOL Ltd.
17966026 MULTI-BEAM CHARGED PARTICLE BEAM SYSTEM WITH ANISOTROPIC FILTERING FOR IMPROVED IMAGE CONTRAST Non-Final OA Carl Zeiss MultiSEM GmbH
18571186 SYSTEM AND METHOD FOR ADJUSTING BEAM CURRENT USING A FEEDBACK LOOP IN CHARGED PARTICLE SYSTEMS Non-Final OA HERMES MICROVISION CO. LTD. (BEIJING)
18230260 NEUTRON-CAPTURE THERAPY SYSTEM Non-Final OA NEUBORON THERAPY SYSTEM LTD.
18235469 METHOD AND DEVICE FOR SAMPLE INTRODUCTION FOR MASS SPECTROMETRY Non-Final OA JP Scientific Limited
17300329 STRUCTURED WAVE GENERATOR AND DEVICE FOR DIFFRACTING A NEUTRON BEAM INTO A STRUCTURED WAVE Non-Final OA INCOHERENT VISION INC.
18042811 MAGNETIC SECTOR WITH A SHUNT FOR A MASS SPECTROMETER Final Rejection LUXEMBOURG INSTITUTE OF SCIENCE AND TECHNOLOGY (LIST)
18015057 ELECTROSTATIC DEFLECTION CONVERGENCE-TYPE ENERGY ANALYZER, IMAGING-TYPE ELECTRON SPECTROSCOPIC DEVICE, REFLECTING IMAGING-TYPE ELECTRON SPECTROSCOPIC DEVICE, AND SPIN VECTOR DISTRIBUTION IMAGING DEVICE Non-Final OA INTER-UNIVERSITY RESEARCH INSTITUTE CORPORATION NATIONAL INSTITUTE OF NATURAL SCIENCES

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