USPTO Examiner CHANG DANIEL CHEOLJIN - Art Unit 2669

Recent Applications

Detailed information about the 100 most recent patent applications.

Application NumberTitleFiling DateDisposal DateDispositionTime (months)Office ActionsRestrictionsInterviewAppeal
18698020METHOD FOR ASCERTAINING AN ARTICULATION ANGLE, PROCESSING UNIT, AND VEHICLEApril 2024December 2024Allow810NoNo
18611630POLARITY DISCRIMINATION DETECTION METHOD AND APPARATUS FOR MULTIPLE STACKED ELECTRONIC COMPONENTS AND DEVICEMarch 2024May 2024Allow200NoNo
18538489IMAGE REGISTRATION METHOD AND MODEL TRAINING METHOD THEREOFDecember 2023July 2025Allow1920YesNo
18375187Corrective Lighting for Video InpaintingSeptember 2023February 2025Allow1610YesNo
18465538LEAST SIGNIFICANT BIT (LSB) INFORMATION PRESERVED SIGNAL INTERPOLATION WITH LOW BIT RESOLUTION PROCESSORSSeptember 2023February 2026Allow2910YesNo
18459332SYSTEMS AND METHODS FOR RECONSTRUCTING OBJECTS USING TRANSITIONAL IMAGESAugust 2023September 2024Allow1310NoNo
18235020METHOD AND SYSTEM FOR POINT CLOUD BASED GRASP PLANNING FRAMEWORKAugust 2023October 2025Allow2600NoNo
18366966IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND STORAGE MEDIUMAugust 2023November 2025Allow2710NoNo
18354097Image Analysis Method and Apparatus, Computer Device, and Readable Storage MediumJuly 2023January 2026Allow3010YesNo
18261620A NON-CONTACT VISUAL MONITORING SYSTEM AND METHOD FOR A FLEXIBLE PROTECTIVE STRUCTURE AGAINST ROCKFALL DISASTERJuly 2023April 2025Allow2120YesNo
18346139STEREO VISION-BASED HEIGHT CLEARANCE DETECTIONJune 2023January 2026Allow3010YesNo
18344700DEPTH ESTIMATION BASED ON EGO-MOTION ESTIMATION AND RESIDUAL FLOW ESTIMATIONJune 2023January 2025Allow1910YesNo
18344750SYSTEM AND METHOD TO IMPROVE MULTI-CAMERA MONOCULAR DEPTH ESTIMATION USING POSE AVERAGINGJune 2023March 2026Abandon3310NoNo
18143524PAVEMENT MACROTEXTURE DETERMINATION USING MULTI-VIEW SMARTPHONE IMAGESMay 2023April 2024Allow1110NoNo
18166068Layered Scene Decomposition CODEC MethodFebruary 2023February 2024Allow1210YesNo
18149678Control Method, Device, Equipment and Storage Medium for Interactive Reproduction of Target ObjectJanuary 2023January 2026Allow3720NoNo
18147371NEURAL NETWORK TRAINING METHOD, IMAGE PROCESSING METHOD, AND APPARATUSDecember 2022October 2025Allow3310NoNo
18012584Image Registration Method and Apparatus, Electronic Apparatus, and Storage MediumDecember 2022October 2025Allow3410YesNo
18080959REAL-TIME NEURAL LIGHT FIELD ON MOBILE DEVICESDecember 2022July 2025Allow3110YesNo
18076140DYNAMIC TONE-MAPPING SYSTEM NORMALIZED AROUND REFERENCE WHITEDecember 2022December 2025Allow3720YesNo
17996833METHOD, SYSTEM AND COMPUTER PROGRAM PRODUCT FOR DETERMINING ISCHEMIA REGION OF THE ORGANOctober 2022December 2025Abandon3710NoNo
17896932DEVICE MESSAGES PROVIDED IN DISPLAYED IMAGE COMPILATIONS BASED ON USER CONTENTAugust 2022November 2024Allow2600YesNo
17895857Spatially Preserving Flattening in Deep Learning Neural NetworksAugust 2022November 2025Allow3920YesNo
17813767SYSTEMS AND METHODS FOR RECONSTRUCTING OBJECTS USING TRANSITIONAL IMAGESJuly 2022June 2023Allow1010NoNo
17749754REAL-TIME, FINE-RESOLUTION HUMAN INTRA-GAIT PATTERN RECOGNITION BASED ON DEEP LEARNING MODELSMay 2022December 2025Allow4220YesNo
17746166ALCOHOL DETECTOR, INFORMATION PROCESSING DEVICE, STORAGE MEDIUM, AND ALCOHOL DETECTION SYSTEMMay 2022May 2025Abandon3601NoNo
17739987COMPUTING SYSTEM FOR WOUND TRACKINGMay 2022September 2023Allow1610NoNo
17707023METHOD AND APPARATUS WITH VIDEO SEGMENTATIONMarch 2022September 2023Allow1820YesNo
17656567DRIVER MONITORING DEVICE, DRIVER MONITORING METHOD, AND DRIVER MONITORING-USE COMPUTER PROGRAMMarch 2022September 2025Allow4230YesNo
17761183DISTANCE MEASUREMENT METHOD, DISTANCE MEASUREMENT APPARATUS, AND COMPUTER-PROGRAM PRODUCTMarch 2022November 2024Allow3210NoNo
17679949IMAGE PROCESSING METHOD, ELECTRONIC DEVICE, AND COMPUTER-READABLE STORAGE MEDIUMFebruary 2022September 2024Allow3110NoNo
17650728ENTROPY CODING FOR NEURAL-BASED MEDIA COMPRESSIONFebruary 2022October 2024Allow3210NoNo
17666649IMAGE PROCESSING APPARATUS, IMAGE PICKUP APPARATUS, IMAGE PROCESSING METHOD, AND STORAGE MEDIUMFebruary 2022September 2024Allow3110NoNo
17649960SYSTEMS AND METHODS FOR PANOPTIC SEGMENTATION OF IMAGES FOR AUTONOMOUS DRIVINGFebruary 2022October 2024Allow3210NoNo
17563146COMPUTERIZED SYSTEM AND METHOD FOR IMAGE CREATION USING GENERATIVE ADVERSARIAL NETWORKSDecember 2021February 2025Allow3711NoNo
17558923System and Method with Visual Concept Framework for Self-Supervised Semantic SegmentationDecember 2021April 2024Allow2700NoNo
17645116METHODS AND SYSTEMS FOR LOCALISED SMOKE REMOVAL AND COLOR RESTORATION OF REAL-TIME VIDEODecember 2021June 2024Allow3010NoNo
17550042SIGNAL-TO-NOISE RATIO (SNR) IDENTIFICATION WITHIN A SCENEDecember 2021February 2024Allow2600YesNo
17547269MOVEMENT DIRECTION DETERMINATION SYSTEM AND OBJECT VOLUME COMPUTATION SYSTEMDecember 2021October 2024Allow3411NoNo
17543411EXPOSURE CORRECTION FOR MACHINE VISION CAMERASDecember 2021September 2024Allow3310YesNo
17520077CAM-BASED WEAKLY SUPERVISED LEARNING OBJECT LOCALIZATION DEVICE AND METHODNovember 2021February 2024Allow2700NoNo
17604837CAMERA PARAMETER ESTIMATION APPARATUS, CAMERA PARAMETER ESTIMATION METHOD, AND COMPUTER-READABLE RECORDING MEDIUMOctober 2021November 2023Allow2500NoNo
17451252METHODS AND SYSTEMS FOR IMPROVING A QUALITY OF DIGITAL IMAGESOctober 2021December 2024Allow3811NoNo
17483635METHODS AND APPARATUS TO SYNTHESIZE SIX DEGREE-OF-FREEDOM VIEWS FROM SPARSE RGB-DEPTH INPUTSSeptember 2021September 2025Allow4820YesNo
17442075INFORMATION PROCESSING METHOD, PROGRAM, AND INFORMATION PROCESSING APPARATUSSeptember 2021November 2024Allow3720NoNo
17441276PERCEPTION UNCERTAINTYSeptember 2021July 2024Allow3410NoNo
17471223TRACKING SYSTEM AND TRACKING METHOD FOR WATER-SURFACE OBJECTS, AND MARINE VESSEL INCLUDING TRACKING SYSTEM FOR WATER-SURFACE OBJECTSSeptember 2021June 2024Allow3410NoNo
17437836SIGNAL PROCESSING DEVICE, SIGNAL PROCESSING METHOD, PROGRAM, AND MEDICAL IMAGE PROCESSING SYSTEMSeptember 2021June 2025Allow4620YesNo
17459353Re-Noising and Neural Network Based Image EnhancementAugust 2021July 2024Allow3410NoNo
17407073SCENE REPRESENTATION USING IMAGE PROCESSINGAugust 2021October 2024Allow3811NoNo
17430679COMPUTER-IMPLEMENTED METHOD FOR DETERMINING SURFACES IN MEASUREMENT DATAAugust 2021August 2024Abandon3610NoNo
17399433GROUND ENGAGING TOOL WEAR AND LOSS DETECTION SYSTEM AND METHODAugust 2021February 2024Allow3010YesNo
17393104METHOD FOR MONITORING AN IMMERSION FLUID IN A MICROSCOPEAugust 2021December 2024Allow4020NoNo
17444153HOLISTIC CAMERA CALIBRATION SYSTEM FROM SPARSE OPTICAL FLOWJuly 2021August 2024Abandon3620YesNo
17385358SELF-OCCLUSION MASKS TO IMPROVE SELF-SUPERVISED MONOCULAR DEPTH ESTIMATION IN MULTI-CAMERA SETTINGSJuly 2021September 2023Allow2610YesNo
17425028SYSTEMS AND METHOD FOR IMAGE NORMALIZATIONJuly 2021October 2024Allow3920NoNo
17377684SYSTEM AND METHOD TO IMPROVE MULTI-CAMERA MONOCULAR DEPTH ESTIMATION USING POSE AVERAGINGJuly 2021March 2023Allow2000NoNo
17373400SYSTEMS AND METHODS FOR ESTIMATING THE MOVEMENT OF A TARGET USING A UNIVERSAL DEFORMATION MODEL FOR ANATOMIC TISSUEJuly 2021January 2024Allow3111NoNo
17365249Method For Camouflaging Tonal ImperfectionsJuly 2021March 2025Abandon4510NoNo
17362645IMAGE ROTATION FOR STREAM OF INPUT IMAGESJune 2021March 2024Allow3321YesNo
17361009INFORMATION PROCESSING APPARATUS AND INFORMATION PROCESSING METHODJune 2021March 2023Allow2000NoNo
17352291Method and Apparatus for Objective Assessment of Gastrointestinal Conditions based on Images Captured in the GI TractJune 2021December 2023Allow3020YesNo
17343017IMAGE REGISTRATION METHOD AND MODEL TRAINING METHOD THEREOFJune 2021September 2023Allow2711YesNo
17343575NORMALIZATION OF FACIAL IMAGES USING DEEP NEURAL NETWORKSJune 2021October 2023Allow2810NoNo
17298421METHOD FOR MANAGING IMMERSION LEVEL AND ELECTRONIC DEVICE SUPPORTING SAMEMay 2021August 2024Abandon3811NoNo
17297381INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, PROGRAM, MOBILE-OBJECT CONTROL APPARATUS, AND MOBILE OBJECTMay 2021December 2024Allow4330NoNo
17328033IMAGE PROCESSING APPARATUS CONFIGURED TO PERFORM EDGE PRESERVING SMOOTHING AND IMAGE PROCESSING METHOD THEREOFMay 2021June 2023Allow2510YesNo
17326630OBJECT RE-IDENTIFICATION DURING IMAGE TRACKINGMay 2021April 2023Allow2310NoNo
17295493METHOD AND SYSTEM FOR CONSTRUCTING DIGITAL ROCKMay 2021January 2024Allow3210NoNo
17314929SYSTEMS AND METHODS FOR USING COMPUTER VISION TO PICK UP SMALL OBJECTSMay 2021April 2024Allow3510NoNo
17292283METHOD AND DEVICE FOR IMAGE STORAGE CONTROL, AND STORAGE MEDIUMMay 2021February 2025Allow4640YesNo
17287851POSITION DETECTION APPARATUS, POSITION DETECTION SYSTEM, REMOTE CONTROL APPARATUS, REMOTE CONTROL SYSTEM, POSITION DETECTION METHOD, AND PROGRAMApril 2021April 2023Allow2400NoNo
17235237TARGET TRACKING METHOD, DEVICE, MEDIUM AND APPARATUSApril 2021April 2023Allow2310NoNo
17230941DEPTH ESTIMATION BASED ON EGO-MOTION ESTIMATION AND RESIDUAL FLOW ESTIMATIONApril 2021March 2023Allow2310YesNo
17221063MAP SEGMENTATION METHOD AND DEVICE, MOTION ESTIMATION METHOD, AND DEVICE TERMINALApril 2021June 2023Allow2610NoNo
17218333WATER TEMPERATURE EVALUATION METHOD USING IMAGE RECOGNITION IN A LAUNDRY APPLIANCEMarch 2021October 2023Allow3000NoNo
17214813System and Method of Image Stitching using Robust Camera Pose EstimationMarch 2021June 2024Allow3930YesNo
17211953Electronic Component Evaluation Method, Electronic Component Evaluation Device, And Electronic Component Evaluation ProgramMarch 2021September 2023Allow3010YesNo
17203315TRACKING SPARSE OBJECTS AND PEOPLE IN LARGE SCALE ENVIRONMENTSMarch 2021September 2023Allow3011YesNo
17201660TRANSFORM MATRIX LEARNING FOR MULTI-SENSOR IMAGE CAPTURE DEVICESMarch 2021August 2023Allow2920NoNo
17201051PAVEMENT MACROTEXTURE DETERMINATION USING MULTI-VIEW SMARTPHONE IMAGESMarch 2021March 2023Allow2410YesNo
17199006SYSTEM ARCHITECTURE AND METHOD OF PROCESSING IMAGESMarch 2021March 2023Allow2500NoNo
17196581CORRECTIVE LIGHTING FOR VIDEO INPAINTINGMarch 2021March 2023Allow2410YesNo
17193851USER IDENTIFICATION IN STORE ENVIRONMENTSMarch 2021March 2023Abandon2510NoNo
17185556LAYERED SCENE DECOMPOSITION CODEC SYSTEM AND METHODSFebruary 2021November 2022Allow2010YesNo
17271026SPACE ALLOCATION SYSTEMS FOR ALLOCATING SPACE TO OBJECTS WITH MULTI-VARIATE CHARACTERISTICS, AND METHODS THEREOFFebruary 2021October 2022Allow1910NoNo
17171544COLLABORATIVE 3D MAPPING AND SURFACE REGISTRATIONFebruary 2021December 2023Allow3420YesNo
17167433METHOD AND APPARATUS WITH MOVING OBJECT DETECTIONFebruary 2021July 2022Allow1810YesNo
17265837IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND PROGRAMFebruary 2021September 2022Allow1910NoNo
17166990HIGH RESOLUTION TIME-OF-FLIGHT DEPTH IMAGINGFebruary 2021June 2023Allow2910YesNo
17165708ORBITTING SATELLITES WITH AUTOMATED ACCURACY FOR ORTHORECTIFIED MOSAICSFebruary 2021November 2022Allow2111YesNo
17162863DATA PROCESSINGJanuary 2021January 2023Allow2410NoNo
17158113IMAGE PROCESSING DEVICE, IMAGE PROCESSING SYSTEM, IMAGING DEVICE, IMAGE PROCESSING METHOD, AND RECORDING MEDIUM STORING PROGRAM CODEJanuary 2021January 2023Allow2410NoNo
17124367CONTEXT AWARE WORD CLOUD FOR CONTEXT ORIENTED DYNAMIC ACTIONSDecember 2020August 2024Allow4430YesNo
17119347INFORMATION PROCESSING METHOD AND TERMINAL DEVICEDecember 2020February 2024Allow3810YesNo
17115996METHOD FOR TRANSLATING IMAGE, METHOD FOR TRAINING IMAGE TRANSLATION MODELDecember 2020September 2022Allow2110NoNo
17107437IMAGE SEGMENTION VIA EFFICIENT SEMIDEFINATE-PROGRAMMING BASED INFERENCE FOR BINARY AND MULTI-CLASS MARKOV RANDOM FIELDSNovember 2020August 2022Allow2100YesNo
17106102METHOD FOR CREATING A HIGH-RESOLUTION IMAGE, DATA PROCESSING SYSTEM AND OPTICAL OBSERVATION APPARATUSNovember 2020October 2022Allow2310YesNo
17100628Computer-implemented method for segmenting measurement data from a measurement of an objectNovember 2020January 2023Allow2610NoNo
16953029METHOD, SYSTEM, AND DEVICE FOR COLOR MEASUREMENT OF A SURFACENovember 2020June 2023Allow3120YesNo

Appeals Overview

No appeal data available for this record. This may indicate that no appeals have been filed or decided for applications in this dataset.

Examiner CHANG, DANIEL CHEOLJIN - Prosecution Strategy Guide

Executive Summary

Examiner CHANG, DANIEL CHEOLJIN works in Art Unit 2669 and has examined 120 patent applications in our dataset. With an allowance rate of 90.0%, this examiner has an above-average tendency to allow applications. Applications typically reach final disposition in approximately 25 months.

Allowance Patterns

Examiner CHANG, DANIEL CHEOLJIN's allowance rate of 90.0% places them in the 73% percentile among all USPTO examiners. This examiner has an above-average tendency to allow applications.

Office Action Patterns

On average, applications examined by CHANG, DANIEL CHEOLJIN receive 1.12 office actions before reaching final disposition. This places the examiner in the 12% percentile for office actions issued. This examiner issues significantly fewer office actions than most examiners.

Prosecution Timeline

The median time to disposition (half-life) for applications examined by CHANG, DANIEL CHEOLJIN is 25 months. This places the examiner in the 79% percentile for prosecution speed. Applications move through prosecution relatively quickly with this examiner.

Interview Effectiveness

Conducting an examiner interview provides a +10.6% benefit to allowance rate for applications examined by CHANG, DANIEL CHEOLJIN. This interview benefit is in the 44% percentile among all examiners. Recommendation: Interviews provide a below-average benefit with this examiner.

Request for Continued Examination (RCE) Effectiveness

When applicants file an RCE with this examiner, 37.8% of applications are subsequently allowed. This success rate is in the 87% percentile among all examiners. Strategic Insight: RCEs are highly effective with this examiner compared to others. If you receive a final rejection, filing an RCE with substantive amendments or arguments has a strong likelihood of success.

After-Final Amendment Practice

This examiner enters after-final amendments leading to allowance in 52.9% of cases where such amendments are filed. This entry rate is in the 79% percentile among all examiners. Strategic Recommendation: This examiner is highly receptive to after-final amendments compared to other examiners. Per MPEP § 714.12, after-final amendments may be entered "under justifiable circumstances." Consider filing after-final amendments with a clear showing of allowability rather than immediately filing an RCE, as this examiner frequently enters such amendments.

Petition Practice

When applicants file petitions regarding this examiner's actions, 61.5% are granted (fully or in part). This grant rate is in the 66% percentile among all examiners. Strategic Note: Petitions show above-average success regarding this examiner's actions. Petitionable matters include restriction requirements (MPEP § 1002.02(c)(2)) and various procedural issues.

Examiner Cooperation and Flexibility

Examiner's Amendments: This examiner makes examiner's amendments in 0.0% of allowed cases (in the 22% percentile). This examiner rarely makes examiner's amendments compared to other examiners. You should expect to make all necessary claim amendments yourself through formal amendment practice.

Quayle Actions: This examiner issues Ex Parte Quayle actions in 1.9% of allowed cases (in the 67% percentile). This examiner issues Quayle actions more often than average when claims are allowable but formal matters remain (MPEP § 714.14).

Prosecution Strategy Recommendations

Based on the statistical analysis of this examiner's prosecution patterns, here are tailored strategic recommendations:

  • Consider after-final amendments: This examiner frequently enters after-final amendments. If you can clearly overcome rejections with claim amendments, file an after-final amendment before resorting to an RCE.
  • RCEs are effective: This examiner has a high allowance rate after RCE compared to others. If you receive a final rejection and have substantive amendments or arguments, an RCE is likely to be successful.

Relevant MPEP Sections for Prosecution Strategy

  • MPEP § 713.10: Examiner interviews - available before Notice of Allowance or transfer to PTAB
  • MPEP § 714.12: After-final amendments - may be entered "under justifiable circumstances"
  • MPEP § 1002.02(c): Petitionable matters to Technology Center Director
  • MPEP § 1004: Actions requiring primary examiner signature (allowances, final rejections, examiner's answers)
  • MPEP § 1207.01: Appeal conferences - mandatory for all appeals
  • MPEP § 1214.07: Reopening prosecution after appeal

Important Disclaimer

Not Legal Advice: The information provided in this report is for informational purposes only and does not constitute legal advice. You should consult with a qualified patent attorney or agent for advice specific to your situation.

No Guarantees: We do not provide any guarantees as to the accuracy, completeness, or timeliness of the statistics presented above. Patent prosecution statistics are derived from publicly available USPTO data and are subject to data quality limitations, processing errors, and changes in USPTO practices over time.

Limitation of Liability: Under no circumstances will IronCrow AI be liable for any outcome, decision, or action resulting from your reliance on the statistics, analysis, or recommendations presented in this report. Past prosecution patterns do not guarantee future results.

Use at Your Own Risk: While we strive to provide accurate and useful prosecution statistics, you should independently verify any information that is material to your prosecution strategy and use your professional judgment in all patent prosecution matters.