Prosecution Insights
Last updated: April 19, 2026

Kla Corporation

62 pending office actions

Portfolio Summary

62
Total Pending OAs
14
Final Rejections
48
Non-Final OAs

Pending Office Actions

App #TitleExaminerArt UnitStatusFiled
18812757 METHOD TO PERFORM IN-SITU VACUUM CONTAMINATION MEASUREMENT AND IDENTIFICATION IN ARBITRARILY LARGE CHAMBERS LE, MINH Q 3753 Non-Final OA Aug 22, 2024
18793162 HEAT EXCHANGER FOR UVO CLEANING SYSTEM WEILAND, HANS R. 3763 Non-Final OA Aug 02, 2024
18793570 SPATIALLY-VARYING SPECTRAL METROLOGY FOR LOCAL VARIATION DETECTION PERSAUD, DEORAM 2882 Non-Final OA Aug 02, 2024
18755644 WAVEPLATE COMPENSATOR DESIGN UNDERWOOD, JARREAS C 2877 Non-Final OA Jun 26, 2024
18743118 Multiple Pass Optical Measurements Of Semiconductor Structures KIM, PETER B 2882 Non-Final OA Jun 14, 2024
18652438 DYNAMIC FREEFORM OPTICS FOR LITHOGRAPHY ILLUMINATION BEAM SHAPING KIM, PETER B 2882 Non-Final OA May 01, 2024
18642417 SYSTEM AND METHOD FOR DETERMINING OVERLAY MEASUREMENT OF A SCANNING TARGET USING MULTIPLE WAVELENGTHS YAZBACK, MAHER 2877 Non-Final OA Apr 22, 2024
18642348 HIGH-PRECISION ALIGNABLE OPTICAL MOUNTING DUONG, HENRY ABRAHAM 2872 Non-Final OA Apr 22, 2024
18624444 PARALLEL SCANNING OVERLAY METROLOGY WITH OPTICAL META-SURFACES PEREZ-GUZMAN, CARLOS GABRIEL 2877 Non-Final OA Apr 02, 2024
18618280 SINGLE GRAB PUPIL LANDSCAPE VIA OUTSIDE THE OBJECTIVE LENS BROADBAND ILLUMINATION WHITESELL, STEVEN H 1759 Final Rejection Mar 27, 2024
18612383 SYSTEM AND METHOD FOR DEVICE-LIKE OVERLAY TARGETS MEASUREMENT STOCK JR, GORDON J 2877 Final Rejection Mar 21, 2024
18611299 FLUORESCENCE MODE FOR WORKPIECE INSPECTION COOK, JONATHON 2877 Non-Final OA Mar 20, 2024
18603002 DEEP LEARNING MODEL DIAGNOSTICS TOOLS USING STACKED IMAGES DHOOGE, DEVIN J 2677 Non-Final OA Mar 12, 2024
18594991 METHOD AND SYSTEM FOR BONDING HIGH FLUENCE OPTICS TO OPTOMECHANICAL ASSEMBLIES STONER, KILEY SHAWN 1735 Non-Final OA Mar 04, 2024
18590913 FLATNESS PRECISION IMPROVEMENT WITH SYSTEMATIC ERROR REDUCTION VIA INDUCED WAFER TILT VARIATION LYONS, MICHAEL A 2877 Non-Final OA Feb 28, 2024
18588822 SYSTEM AND METHOD FOR GROWTH OF QUASI-PHASE MATCHED STRONTIUM TETRABORATE AND LITHIUM TRIBORATE CRYSTALS FOR FREQUENCY CONVERSION KUNEMUND, ROBERT M 1714 Non-Final OA Feb 27, 2024
18587703 SIDE-BY-SIDE OFF-CENTER DIE OVERLAY TARGET LAPAGE, MICHAEL P 2877 Non-Final OA Feb 26, 2024
18438384 ADAPTIVE AND ROBUST DETECTION OF LARGE DEFECTS AND IMAGE MISALIGNMENT ALLEN, KYLA GUAN-PING TI 2661 Non-Final OA Feb 09, 2024
18424069 SYSTEM AND METHOD FOR DYNAMIC ABERRATION CORRECTION KIM, ROBERT H 2881 Non-Final OA Jan 26, 2024
18421580 OVERLAY MARK DESIGN ENABLING LARGE OVERLAY MEASUREMENT SOHRABY, PARDIS 2664 Non-Final OA Jan 24, 2024
18421454 OVERLAY METROLOGY TARGET FOR DIE-TO-WAFER OVERLAY METROLOGY WHITESELL, STEVEN H 1759 Final Rejection Jan 24, 2024
18408395 OPTICAL BEAM SENSOR WITH CENTER TRANSMISSIVE CUT-OUT FAYE, MAMADOU 2884 Final Rejection Jan 09, 2024
18391595 Boron-Coated Back-Illuminated Image Sensor With Fluoride-Based Anti-Reflection Coating GREER, RIANNA BLISS 2814 Non-Final OA Dec 20, 2023
18542072 Optics for In-Situ Scanning Electron Microscope Repair MCCORMACK, JASON L 2881 Non-Final OA Dec 15, 2023
18535159 SYSTEM AND METHOD OF FINDING PIXEL-TO-DESIGN TARGET FOR DRAM INSPECTION CONNER, SEAN M 2663 Non-Final OA Dec 11, 2023
18529854 SYSTEM AND METHOD FOR DURATION-BASED SAMPLE PATH ADJUSTMENT NIMOX, RAYMOND LONDALE 2857 Non-Final OA Dec 05, 2023
18387015 Methods And Systems For Measurement Of Semiconductor Structures With Active Tilt Correction FABIAN JR, ROBERTO 2877 Non-Final OA Nov 04, 2023
18375920 Magnetically Opposed, Iron Core Linear Motor Based Motion Stages For Semiconductor Wafer Positioning DESAI, NAISHADH N 2834 Non-Final OA Oct 02, 2023
18375512 IMAGING THOUSANDS OF ELECTRON BEAMS DURING WORKPIECE INSPECTION KALISZEWSKI, ALINA ROSE 2881 Non-Final OA Sep 30, 2023
18369609 SYSTEMS AND METHODS FOR GENERATING A FLAT-TOP ILLUMINATION BEAM BASED ON INTERLACING, INCOHERENTLY OVERLAPPING SPOTS CHANG, AUDREY Y 2872 Non-Final OA Sep 18, 2023
18467371 ANGLE RESOLVED REFLECTOMETRY FOR THICK FILMS AND HIGH ASPECT RATIO STRUCTURES STOCK JR, GORDON J 2877 Final Rejection Sep 14, 2023
18234773 MULTI-PITCH GRID OVERLAY TARGET FOR SCANNING OVERLAY METROLOGY XING, CHRISTINA ILONA 2877 Final Rejection Aug 16, 2023
18231688 Methods And Systems For Scatterometry Based Metrology Of Structures Fabricated On Transparent Substrates GRAY, SUNGHEE Y 2877 Non-Final OA Aug 08, 2023
18353098 METROLOGY SAMPLING PLANS FOR ONLY OUT OF SPECIFICATION DETECTION STEAR, RYAN JAMES 2857 Non-Final OA Jul 16, 2023
18138709 HEIGHT SENSING SYSTEM FOR ELECTRON BEAM METROLOGY TOOL TSAI, HSIEN C 2881 Non-Final OA Apr 24, 2023
18136747 Full Wafer Measurement Based On A Trained Full Wafer Measurement Model HENSON, MISCHITA L 2857 Non-Final OA Apr 19, 2023
18136772 Combined Spectroscopic Reflectometry And Pattern Recognition Based Measurements Of Semiconductor Structures UNDERWOOD, JARREAS C 2877 Non-Final OA Apr 19, 2023
18128125 MULTI-MODE OPTICAL INSPECTION DULANEY, KATHLEEN YUAN 2666 Non-Final OA Mar 29, 2023
18178528 DEEP LEARNING MODEL-BASED ALIGNMENT FOR SEMICONDUCTOR APPLICATIONS LU, ZHIYU 2665 Non-Final OA Mar 05, 2023
18116187 INTERFACE-BASED THIN FILM METROLOGY USING SECOND HARMONIC GENERATION GARBER, ERIN R 2878 Non-Final OA Mar 01, 2023
18090447 PATTERN SEGMENTATION FOR NUISANCE SUPPRESSION SUMMERS, GEOFFREY E 2669 Final Rejection Dec 28, 2022
17993565 Methods And Systems For Data Driven Parameterization And Measurement Of Semiconductor Structures DINH, PAUL 2851 Non-Final OA Nov 23, 2022
17982472 PLASMA HYPERMODEL INTEGRATED WITH FEATURE-SCALE PROFILE MODEL FOR ACCELERATED ETCH PROCESS DEVELOPMENT KIM, EUNHEE 2188 Non-Final OA Nov 07, 2022
18049863 METHOD AND APPARATUS FOR DYNAMIC SEALING BETWEEN ZONES OF ULTRA-CLEAN VACUUM SYSTEM JOERGER, KAITLIN S 3652 Final Rejection Oct 26, 2022
17956643 Spectroscopic Reflectometry And Ellipsometry Measurements With Electroreflectance Modulation YAZBACK, MAHER 2877 Non-Final OA Sep 29, 2022
17948151 HIGH-RESOLUTION EVALUATION OF OPTICAL METROLOGY TARGETS FOR PROCESS CONTROL WHITESELL, STEVEN H 1759 Final Rejection Sep 19, 2022
17944009 METHOD AND SYSTEM FOR CLEANING OPTICAL ELEMENTS IN EUV OPTICAL SYSTEMS COCCHI, MICHAEL EDWARD 2188 Non-Final OA Sep 13, 2022
17862052 MINIATURE ELECTRON OPTICAL COLUMN WITH A LARGE FIELD OF VIEW TANDY, LAURA ELOISE 2881 Final Rejection Jul 11, 2022
17850888 Method and System for Providing a Quality Metric for Improved Process Control KAY, DOUGLAS 2857 Non-Final OA Jun 27, 2022
17834767 SENSORS, IMAGING SYSTEMS, AND METHODS FOR FORMING A SENSOR SWANSON, WALTER H 2815 Non-Final OA Jun 07, 2022
17713017 METHOD AND SYSTEM FOR MIXED MODE WAFER INSPECTION BALI, VIKKRAM 2663 Non-Final OA Apr 04, 2022
17762030 CALIBRATED MEASUREMENT OF OVERLAY ERROR USING SMALL TARGETS SCHNASE, PAUL DANIEL 2877 Non-Final OA Mar 18, 2022
17696636 SYSTEM AND METHOD FOR ION-ASSISTED DEPOSITION OF OPTICAL COATINGS OTT, PATRICK S 1794 Non-Final OA Mar 16, 2022
17591569 COMBINING FOCUSED ION BEAM MILLING AND SCANNING ELECTRON MICROSCOPE IMAGING TANDY, LAURA ELOISE 2881 Non-Final OA Feb 02, 2022
17590116 Methods And Systems For Accurate Measurement Of Deep Structures Having Distorted Geometry JEFFERSON, QUOVAUNDA 2899 Non-Final OA Feb 01, 2022
17466703 WAFER ALIGNMENT IMPROVEMENT THROUGH IMAGE PROJECTION-BASED PATCH-TO-DESIGN ALIGNMENT DHOOGE, DEVIN J 2677 Non-Final OA Sep 03, 2021
17408106 Coolant Microleak Sensor for a Vacuum System VILLALUNA, ERIKA J 2852 Final Rejection Aug 20, 2021
17321263 SYSTEM AND METHOD FOR AUTOMATICALLY IDENTIFYING DEFECT-BASED TEST COVERAGE GAPS IN SEMICONDUCTOR DEVICES SULTANA, DILARA 2858 Non-Final OA May 14, 2021
17228543 Plasma Cell for Providing VUV Filtering in a Laser-Sustained Plasma Light Source HORIKOSHI, STEVEN Y 2875 Final Rejection Apr 12, 2021
17099476 MULTI-COLUMN SCANNING ELECTRON MICROSCOPY SYSTEM LOGIE, MICHAEL J 2881 Non-Final OA Nov 16, 2020
16935432 Systems and Methods for MOKE Metrology with Consistent MRAM Die Orientation SCHINDLER, DAVID M 2858 Final Rejection Jul 22, 2020
16864972 Wave-Front Aberration Metrology of Extreme Ultraviolet Mask Inspection Systems ANGEBRANNDT, MARTIN J 1737 Final Rejection May 01, 2020

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