USPTO Art Unit 3669 Prosecution Statistics

Art Unit Information

Art Unit: 3669
Group: 3660
Tech Center: 3600
Total Cases: 7,586
Last Active: September 2025

Recent Applications

Detailed information about the 100 most recent patent applications.

Application NumberTitleFiling DateDisposal DateDispositionTime (months)Office ActionsRestrictionsInterviewAppeal
19319712BIPEDAL ACTION MODEL FOR HUMANOID ROBOTSeptember 2025January 2026Allow410NoNo
19229196SYSTEMS AND METHODS FOR AIRCRAFT ENERGY OPTIMIZATIONJune 2025November 2025Allow610YesNo
19050023DEFORMABLE TRACKED PIPELINE ROBOT AND DIFFERENTIAL TURNING METHOD THEREOFFebruary 2025August 2025Allow601NoNo
19044215FORCE-BASED CONTROL OF ELECTRICALLY ACTUATED POWER MACHINESFebruary 2025November 2025Allow900YesNo
18881796DRIVER ASSISTANCE APPARATUS, DRIVER ASSISTANCE PROCESSING METHOD, AND RECORDING MEDIUMJanuary 2025March 2026Allow1400NoNo
18873172VEHICLE CONTROL ARRANGEMENTDecember 2024March 2026Allow1500NoNo
18969332ADAPTIVE CONTROL METHOD AND SYSTEM BASED ON TRAIN OPERATING CONDITION IDENTIFICATIONDecember 2024March 2025Allow410NoNo
18962020SYSTEM AND METHOD FOR INSPECTING VEHICLE BRAKE PADSNovember 2024February 2026Allow1500YesNo
18950971MODEL PREDICTIVE BATTERY POWER LIMIT ESTIMATION SYSTEMS AND METHODSNovember 2024January 2026Allow1410NoNo
18951161Control Circuitry for a Vehicle with Stop Control of an Internal Combustion EngineNovember 2024February 2026Allow1500YesNo
18943586ROBOTIC-THROTTLE CONTROL OF A FISHING VESSELNovember 2024February 2025Allow400NoNo
18936757SELF-ACTUATED CLEANING HEAD FOR AN AUTONOMOUS VACUUMNovember 2024March 2026Allow1600NoNo
18933046ROBOT CONTROL METHOD, ROBOT, AND RECORDING MEDIUMOctober 2024March 2026Allow1600NoNo
18908911LINT EXHAUST DUCT CLEANING TOOL AND METHOD FOR CLEANING A CLOTHES DRYER VENTILATION SYSTEMOctober 2024May 2025Allow700YesNo
18903441CONTROL SYSTEM FOR LIGHT TRANSMISSION SWITCHOctober 2024January 2026Allow1600NoNo
18902709SYSTEMS AND OPERATIONS OF TRANSFER HUBS FOR AUTONOMOUS TRUCKING SYSTEMSSeptember 2024March 2026Allow1700NoNo
18851930SYSTEM AND METHOD FOR CONTROLLING ACTUATORS IN AN AIRCRAFTSeptember 2024February 2026Allow1700NoNo
18845017Work MachineSeptember 2024December 2025Allow1500NoNo
18818189TECHNIQUES FOR USING A SERIES OF MAGNETIC MEASUREMENTS TO AIDE POSITION DETERMINATIONAugust 2024November 2025Allow1500NoNo
18816217Mobile Object Evacuation Path Planning Apparatus, Method, and MediumAugust 2024January 2026Allow1700NoNo
18815159SYSTEM FOR A BICYCLE INCLUDING AN ENERGY STORAGE DEVICEAugust 2024October 2025Allow1400NoNo
18813033HIERARCHICAL CONTROL METHOD OF TORQUE DISTRIBUTION FOR WHEEL HUB MOTOR-DRIVEN ELECTRIC VEHICLESAugust 2024November 2024Allow300NoNo
18808179VEHICULAR MULTI-SENSOR SENSING SYSTEMAugust 2024February 2026Allow1810NoNo
18808069Motion Planning for Autonomous Vehicle Driving Using Vehicle-to-Infrastructure CommunicationAugust 2024May 2025Allow920YesNo
18805606AUTOMATED METHOD FOR SELECTING MUSIC IN A VEHICLEAugust 2024February 2026Allow1810NoNo
18805648ENERGY MANAGEMENT IN HEAVY DUTY TRUCKS USING INEFFICIENT MOTOR OPERATIONAugust 2024October 2025Allow1400NoNo
18798755Autonomous Vehicle Formation System and Method for Herding AnimalsAugust 2024October 2024Allow200NoNo
18796657INFORMATION PROCESSING DEVICEAugust 2024February 2026Allow1810NoNo
18794628FIXED DRONE VISUALIZATION IN SECURITY SYSTEMSAugust 2024October 2025Allow1500NoNo
18791476TRAVELING SYSTEM, TRAVELING METHOD, AND RECORDING MEDIUM IN WHICH TRAVELING PROGRAM IS RECORDEDAugust 2024October 2025Allow1500NoNo
18791377METHOD FOR SCHEDULING CHARGING AND DISCHARGING AND CHARGE-DISCHARGE SYSTEMJuly 2024November 2025Allow1500NoNo
18788374Method, Apparatus and System for Detecting an Agricultural Vehicle PathJuly 2024February 2026Allow1910NoNo
18833933SERVICE QUALITY ENHANCEMENT FOR UNMANNED AERIAL VEHICLES (UAVS)July 2024March 2026Allow1910NoNo
18786013LOW-BRIDGE DETECTION BY ROAD SEGMENTJuly 2024October 2025Allow1430YesNo
18729507ELECTRIC VEHICLE AND ELECTRIC-MACHINERY CONTROL METHOD THEREFOR, APPARATUS AND STORAGE MEDIUMJuly 2024October 2025Allow1500NoNo
18774667SENSOR SYSTEMJuly 2024October 2025Allow1500NoNo
18774235METHOD AND APPARATUS FOR MANAGING POWER BATTERY OF A VEHICLE, STORAGE MEDIUM AND ELECTRONIC DEVICEJuly 2024October 2024Allow300NoNo
18771322SYSTEMS AND METHODS FOR COMMUNICATING WITH VEHICLES USING RADARJuly 2024January 2026Allow1810NoNo
18728494Electrified Motor Vehicle With a Central Component-Specific Energy Monitoring FunctionJuly 2024March 2026Allow2010NoNo
18727597CRANKSET WITH HAPTIC FEEDBACK GENERATORJuly 2024January 2026Allow1910NoNo
18767445VEHICLE CONTROL DEVICEJuly 2024February 2026Allow1910NoNo
18766169AUTONOMOUS DRIVING DEVICE AND VEHICLE CONTROL METHODJuly 2024November 2025Allow1600NoNo
18765809IN-VEHICLE CONTROL DEVICEJuly 2024March 2026Allow2010NoNo
18727124POWER SUPPLY SYSTEM, HEATING CONTROL METHOD, AND HEATING CONTROL PROGRAMJuly 2024January 2026Allow1910YesNo
18764511GLASS POLISHING APPARATUS AND GLASS POLISHING METHOD USING THE SAMEJuly 2024September 2025Allow1510NoNo
18763097METHOD AND DEVICE FOR PREDICTING POTENTIAL ACCIDENT OF AGRICULTURAL MACHINE THAT PERFORMS AUTONOMOUS DRIVING AND OPERATES PTO, AND CONTROLLING OPERATION TO AVOID POTENTIAL ACCIDENT, IN COMMUNICATION SYSTEMJuly 2024September 2024Allow300NoNo
18761360Distributed Motion Planning and Control of Autonomous Ground and Aerial VehiclesJuly 2024March 2026Allow2100NoNo
18757833METHOD AND SYSTEM FOR ESTIMATING IMPLEMENT CONNECTED TO WORK VEHICLEJune 2024March 2026Allow2110NoNo
18753800AUTO-CALIBRATION FOR PERSONALIZED SELF-DRIVING EXPERIENCEJune 2024November 2025Allow1600YesNo
18751556REFUSE VEHICLE WITH RANGE EXTENSIONJune 2024April 2025Allow1010NoNo
18747262Systems and Methods for Graph-Based AI TrainingJune 2024August 2025Allow1410NoNo
18744820AGRICULTURAL MACHINEJune 2024February 2026Allow2010NoNo
18745868CLUTTER TIDYING ROBOT UTILIZING FLOOR SEGMENTATION FOR MAPPING AND NAVIGATION SYSTEMJune 2024February 2026Allow2010NoNo
18745367MAP UPDATING METHOD AND COMPUTER PROGRAM RECORDED ON RECORDING MEDIUM TO EXECUTE THE SAMEJune 2024November 2024Allow510NoNo
18744840METHOD FOR CONTROLLING A ROTORCRAFT, ASSOCIATED ROTORCRAFT AND COMPUTER PROGRAMJune 2024December 2025Allow1810NoNo
18719841Vehicle, method and control device for activating a vehicle function of a vehicleJune 2024January 2026Allow2010NoNo
18743841CONTROLLING DRIVING MODES OF SELF-DRIVING VEHICLESJune 2024January 2026Allow1900NoNo
18720274METHOD FOR TRACTION CONTROL OF A VEHICLE OR A VEHICLE COMBINATIONJune 2024September 2025Allow1500NoNo
18741935Computer-implemented method, wearable device, computer program and computer readable medium for assisting the movement of a visually impaired userJune 2024November 2025Allow1710NoNo
18719563METHOD FOR ESTIMATING THE ROTOR TORQUES OF AN AIRCRAFT CAPABLE OF HOVERING AND CONTROL UNIT FOR AN AIRCRAFT CAPABLE OF HOVERINGJune 2024March 2026Allow2110NoNo
18736201REFUSE VEHICLE WITH INDEPENDENTLY OPERATIONAL ACCESSORY SYSTEMJune 2024March 2025Allow910NoNo
18734277METHODS AND SYSTEM FOR HYBRID VEHICLE ADAPTIVE MOTOR UTILIZATIONJune 2024February 2026Allow2001NoNo
18734473INTELLIGENT ADAPTIVE CRUISE CONTROL SYSTEM AND METHODJune 2024March 2026Allow2110YesNo
18731749MULTI-MODAL MULTI-OBJECTIVE TESTING DATA GENERATION METHOD BASED ON TOPOLOGY ADAPTIVE RESONANCE THEORYJune 2024July 2025Allow1300NoNo
18715170METHOD FOR CONTROLLING A FLIGHT-CAPABLE DRONE IN AN ELEVATOR SHAFT OF AN ELEVATOR SYSTEM, AND ELEVATOR SYSTEM INSPECTION ARRANGEMENTMay 2024October 2025Allow1710NoNo
18678994METHOD OF CONTROLLING CLEANING ROBOT TO AVOID LIQUID OBJECT, AND CLEANING ROBOT THEREFORMay 2024January 2026Allow2010YesNo
18677273REMOTE CONTROL DEVICEMay 2024February 2025Allow820YesNo
18677810METHOD AND INTERNET OF THINGS SYSTEM FOR SAFETY INSPECTION BASED ON SMART GAS GEOGRAPHIC INFORMATION SYSTEMMay 2024June 2025Allow1210YesNo
18675412AUTONOMOUS AGRICULTURAL SYSTEMMay 2024March 2026Allow2210NoNo
18673783AUXILIARY POWER UNIT POWER COMPENSATION USING GLOBAL POSITIONING SYSTEM FOR ALTITUDEMay 2024February 2026Allow2110YesNo
18673551PRIORITIZED POWER DELIVERY FOR FACILITATING TRANSPORT CLIMATE CONTROLMay 2024March 2025Allow1010NoNo
18672747MULTI-OBJECTIVE SYSTEMS AND METHODS FOR OPTIMALLY ASSIGNING TRAIN BLOCKS AT A RAILROAD MERCHANDISE YARDMay 2024September 2024Allow410YesNo
18672006VEHICLE DISPLAY DEVICEMay 2024November 2025Abandon1710NoNo
18672004VEHICLE DISPLAY DEVICEMay 2024October 2025Allow1620YesNo
18712930CONTROL METHOD FOR VEHICLE AND CONTROL DEVICE FOR VEHICLEMay 2024March 2025Allow1010NoNo
18670949SYSTEM AND METHOD OF NEURAL RADIANCE FIELDS-BASED AUGMENTATION FOR ROBUST DETECTIONMay 2024February 2026Allow2100NoNo
18668754METHODS, DEVICES, AND SYSTEMS FOR RECORDING A FLIGHT SEGMENTMay 2024October 2025Allow1720YesNo
18667924VEHICLE TRIP BUILDER SYSTEM AND METHOD THEREOFMay 2024October 2025Allow1700NoNo
18667918VEHICLE TO VEHICLE COMMUNICATIONMay 2024June 2025Allow1310YesNo
18666534SYSTEM AND METHOD FOR IMPLEMENTING ADDED SERVICES FOR OBD2 SMART VEHICLE CONNECTIONMay 2024February 2026Allow2110NoNo
18664954METHOD FOR MONITORING THE WEAR OF A POWERTRAIN OF AN ELECTRIC VEHICLE AND ELECTRIC VEHICLE IMPLEMENTING SAID METHODMay 2024February 2026Allow2110NoNo
18663285CIRCUIT, BASE STATION, METHOD, AND RECORDING MEDIUMMay 2024August 2025Allow1520NoNo
18701006BRAKING CONTROL METHODMay 2024March 2026Allow2310YesNo
18660237STAGGERING DETERMINATION DEVICE, STAGGERING DETERMINATION METHOD, AND STORAGE MEDIUMMay 2024December 2025Allow1910NoNo
18661114DETECTION OF SLIP BETWEEN A SELF-PROPELLED ROBOTIC TOOL AND A GRASS SURFACEMay 2024February 2026Allow2110NoNo
18657032METHOD AND SYSTEM FOR PREDICTING BATTERY CAPACITY DEGRADATION FOR ELECTRIC VEHICLEMay 2024January 2026Allow2010NoNo
18656970LOCALIZATION OF USER(S) IN ENVIRONMENT(S)May 2024March 2026Allow2210YesNo
18657627ELECTRIC DELIVERY TRUCK CONTROL SYSTEM FOR ELECTRIC POWER MANAGEMENTMay 2024January 2026Allow2120NoNo
18656055VSLAM WITH IMAGE BUFFER AND EXTRACTIONMay 2024January 2026Allow2010NoNo
18655616ENABLING CONTENT PLAYING IN AUTONOMOUS VEHICLES OF A TRANSPORTATION SERVICEMay 2024August 2025Allow1610NoNo
18654209CONTROL APPARATUS FOR ELECTRIC VEHICLESMay 2024August 2025Allow1600NoNo
18649127HIGH VOLTAGE BATTERY TEMPERATURE PERFORMANCE PAGESApril 2024March 2026Allow2210NoNo
18649130VEHICLE COLLISION AVOIDANCE ASSIST APPARATUSApril 2024January 2026Allow2110NoNo
18649678DYNAMIC DELIVERY OF VEHICLE EVENT DATAApril 2024February 2025Allow1010NoNo
18704849RETRAINING NEURAL NETWORK MODEL BASED ON SENSOR DATA FILTERED FOR CORNER CASEApril 2024March 2026Allow2210NoNo
18642679CONTROL OF ACCELERATOR LIFT-PEDAL DECELERATION IN AN ELECTRIC VEHICLEApril 2024March 2025Allow1110YesNo
18642810FLIGHT MANAGEMENT SYSTEM FOR UAVSApril 2024February 2026Allow2210YesNo
18639218SAFE DRIVING SUPPORT SYSTEM AND SAFE DRIVING SUPPORT METHODApril 2024September 2025Allow1700NoNo
18639112Vehicle Control Unit for Power Management of a VehicleApril 2024November 2025Allow1910NoNo
18639627CONTRAIL SUPPRESSIONApril 2024January 2026Allow2010YesNo

Appeals Overview

This analysis examines appeal outcomes and the strategic value of filing appeals for art-unit 3669.

Patent Trial and Appeal Board (PTAB) Decisions

Total PTAB Decisions
161
Examiner Affirmed
101
(62.7%)
Examiner Reversed
60
(37.3%)
Reversal Percentile
71.1%
Higher than average

What This Means

With a 37.3% reversal rate, the PTAB reverses the examiner's rejections in a meaningful percentage of cases. This reversal rate is above the USPTO average, indicating that appeals have better success here than typical.

Strategic Value of Filing an Appeal

Total Appeal Filings
415
Allowed After Appeal Filing
163
(39.3%)
Not Allowed After Appeal Filing
252
(60.7%)
Filing Benefit Percentile
85.6%
Higher than average

Understanding Appeal Filing Strategy

Filing a Notice of Appeal can sometimes lead to allowance even before the appeal is fully briefed or decided by the PTAB. This occurs when the examiner or their supervisor reconsiders the rejection during the mandatory appeal conference (MPEP § 1207.01) after the appeal is filed.

In this dataset, 39.3% of applications that filed an appeal were subsequently allowed. This appeal filing benefit rate is in the top 25% across the USPTO, indicating that filing appeals is particularly effective here. The act of filing often prompts favorable reconsideration during the mandatory appeal conference.

Strategic Recommendations

✓ Appeals to PTAB show good success rates. If you have a strong case on the merits, consider fully prosecuting the appeal to a Board decision.

✓ Filing a Notice of Appeal is strategically valuable. The act of filing often prompts favorable reconsideration during the mandatory appeal conference.

Art Unit 3669 - Prosecution Statistics Summary

Executive Summary

Art Unit 3669 is part of Group 3660 in Technology Center 3600. This art unit has examined 7,586 patent applications in our dataset, with an overall allowance rate of 75.7%. Applications typically reach final disposition in approximately 29 months.

Comparative Analysis

Art Unit 3669's allowance rate of 75.7% places it in the 48% percentile among all USPTO art units. This art unit has a below-average allowance rate compared to other art units.

Prosecution Patterns

Applications in Art Unit 3669 receive an average of 2.04 office actions before reaching final disposition (in the 62% percentile). The median prosecution time is 29 months (in the 62% percentile).

Strategic Considerations

When prosecuting applications in this art unit, consider the following:

  • The art unit's allowance rate suggests a more challenging examination environment compared to the USPTO average.
  • With more office actions than average, plan for relatively streamlined prosecution.
  • The median prosecution time is shorter than average and should be factored into your continuation and client communication strategies.
  • Review individual examiner statistics within this art unit to identify examiners with particularly favorable or challenging prosecution patterns.

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.