USPTO Technology Center 3900 Prosecution Statistics

Recent Applications

Detailed information about the 100 most recent patent applications.

Application NumberTitleFiling DateDisposal DateDispositionTime (months)Office ActionsRestrictionsInterviewAppeal
19363802FRACTURING PUMP ARRANGEMENT USING A PLUNGER WITH AN INTERNAL FLUID PASSAGEOctober 2025November 2025Abandon100NoNo
19358295SCREENSHOT METHOD, ELECTRONIC DEVICE, AND STORAGE MEDIUMOctober 2025January 2026Abandon300NoNo
19352954LIGHTWEIGHT PLASTIC CONTAINER AND PREFORMOctober 2025March 2026Abandon500NoNo
19347692AI-BASED SECURITY RISK PREDICTION SYSTEM AND METHOD FOR TARGETS TO BE PROTECTED IN CLOUD ENVIRONMENTOctober 2025January 2026Abandon300NoNo
19333503ANTICOCCIDIAL AGENT AND METHOD FOR USING THE SAMESeptember 2025March 2026Abandon500NoNo
19332953HAIR EXTENSION APPARATUS AND METHOD OF MANUFACTURING SAMESeptember 2025January 2026Abandon400NoNo
19331670DISTANCE MEASURING DEVICESeptember 2025January 2026Abandon400NoNo
19326615CERCLAGE OPERATION DEVICE PROVIDED WITH POSITION FIXING DEVICESeptember 2025December 2025Abandon400NoNo
19326033ALLOCATING SYSTEM RESOURCESSeptember 2025March 2026Abandon600NoNo
19321965FOR MULTI-LINE INTRA PREDICTIONSeptember 2025January 2026Abandon500NoNo
19316719AUTOPLAY CONFIGURATIONSeptember 2025March 2026Abandon600NoNo
19315903IMAGING SYSTEM, MATRIX DATA, AND MATRIX DATA GENERATION METHODSeptember 2025February 2026Abandon500NoNo
19315689WIRELESS CHARGING METHOD FOR INTELLIGENT QUADRUPED ROBOTSeptember 2025October 2025Abandon100NoNo
19314996SMART POWER SELECTION FOR MULTI-ELECTRODE RF ABLATION SYSTEMAugust 2025December 2025Abandon400NoNo
19310877Spot Detection Control Method, Device, and Spot Detection SystemAugust 2025March 2026Abandon700NoNo
19307089PHOTOELECTRIC CONVERSION ELEMENT AND IMAGING DEVICEAugust 2025December 2025Abandon400NoNo
19304351Using a Trained Model to Predict a User's Price Sensitivity Based on Data Acquired from In-Store SensorsAugust 2025February 2026Abandon600NoNo
19301916Massage DeviceAugust 2025October 2025Abandon200NoNo
19300783MULTI-LAYERED STRUCTUREAugust 2025January 2026Abandon500NoNo
19299909THREE-LAYER STRUCTURE INCLUDING EXTRA-CELLULAR MATRIX, SHEET-SHAPED CELL CULTURE, AND BIODEGRADABLE GELAugust 2025December 2025Abandon500NoNo
19297748REPLACEMENT AIR-CONDITIONING SYSTEM AND INFORMATION PROCESSING METHODAugust 2025February 2026Abandon600NoNo
19296377LIGHTWEIGHT PLASTIC CONTAINER AND PREFORMAugust 2025March 2026Abandon700NoNo
19292935METHOD FOR DETECTING AND ANALYZING TIME-SERIES DATA BASED ON CYBER THREAT FRAMEWORKAugust 2025January 2026Abandon500NoNo
19290567CONNECTORAugust 2025February 2026Abandon600NoNo
19288900GENERATING OR MODIFYING TEXT USING A DIGITAL ASSISTANT AND/OR LANGUAGE MODELAugust 2025December 2025Abandon400NoNo
19283272VISION-BASED TRACKING CONTROL METHOD FOR QUADRUPED ROBOT, AND QUADRUPED ROBOT SYSTEMJuly 2025October 2025Abandon200NoNo
19283265INTELLIGENT SECURITY METHOD, SYSTEM, AND STORAGE MEDIUM BASED ON QUADRUPED ROBOTJuly 2025October 2025Abandon200NoNo
19281346Artificial Intelligence Systems and Methods for Recommending Advertising Content to UsersJuly 2025October 2025Abandon300NoNo
19280796Modified Graphite-Coated Soft Particle and Method for Preparing Same, and Profile Control and Water Shutoff Agent and Application ThereofJuly 2025September 2025Abandon200NoNo
19280707CENTRIFUGAL COMPRESSOR WITH LABYRINTH SEALJuly 2025January 2026Abandon600NoNo
19277034X-RAY GENERATION APPARATUS AND X-RAY IMAGING APPARATUSJuly 2025March 2026Abandon800NoNo
19276559X-RAY GENERATION APPARATUS AND X-RAY IMAGING APPARATUSJuly 2025March 2026Abandon800NoNo
19275926OPTICAL COMMUNICATION OF COMBINED HIGH-SPEED AND LOW-SPEED DATAJuly 2025February 2026Abandon700NoNo
18861697CORROSION-RESISTANT MEMBERJuly 2025September 2025Abandon1000NoNo
19268993VEHICLE CARBON CAPTURE SYSTEMJuly 2025October 2025Abandon300NoNo
19265568PASSIVATED PHOTODIODE COMPRISING A FERROELECTRIC PERIPHERAL PORTIONJuly 2025October 2025Abandon400NoNo
19255594METHOD FOR TRAINING LLMS BASED RECOMMENDER SYSTEMS USING KNOWLEDGE DISTILLATION, RECOMMENDATION METHOD FOR HANDLING CONTENT RECENCY WITH LLMS, SOLVING IMBALANCED DATA WITH SYNTHETIC DATA IN IMPERSONATION AND DEPLOYING STATE OF THE ART GENERATIVE AI MODELS FOR RECOMMENDATION SYSTEMSJune 2025January 2026Abandon700NoNo
19255737NON-INVASIVE SKIN COLLECTION SYSTEMJune 2025November 2025Abandon500NoNo
19252377IMAGING DEVICE AND CAMERA SYSTEMJune 2025December 2025Abandon600NoNo
19250817COMPOSITION CONTAINING ANTITUMOR DRUG, AND PREPARATION METHOD THEREOF AND USE THEREOFJune 2025March 2026Abandon800NoNo
19246248IMAGING DEVICE AND CAMERA SYSTEMJune 2025December 2025Abandon600NoNo
19244596CONFIGURING COMMUNICATIONS NETWORK PARAMETERSJune 2025January 2026Abandon700NoNo
19244975IMAGE GENERATION DEVICE AND HEAD-MOUNTED DISPLAYJune 2025January 2026Abandon700NoNo
19140055METHOD AND DEVICE FOR THE AUTOMATED HANDLING OF FOODSTUFFSJune 2025January 2026Abandon700NoNo
19235751ELECTRON BEAM MASK INSPECTION APPARATUSJune 2025September 2025Abandon300NoNo
19234531ELECTRO-MAGNETIC COUPLED PIEZOLECTRIC POWERING OF ELECTRIC VEHICLESJune 2025September 2025Abandon300NoNo
19232275IMAGE GENERATION DEVICEJune 2025January 2026Abandon700NoNo
19230936DETECTION CIRCUIT AND IMAGE GENERATION DEVICEJune 2025January 2026Abandon800NoNo
19229154ULTRASONIC BONDING DEVICE AND TERMINAL-FITTED ELECTRIC WIREJune 2025March 2026Abandon900NoNo
19228431WEARABLE DEVICE AND METHOD FOR INCREASING PHYSIOLOGICAL INDICATOR MEASUREMENT ACCURACYJune 2025February 2026Abandon800NoNo
19225290TUNING-FORK-TYPE DRIVING ELEMENT AND LIGHT DEFLECTION ELEMENTJune 2025January 2026Abandon800NoNo
18854709Mass SpectrometerMay 2025December 2025Abandon1400NoNo
19218190VEHICLE DISPLAY DEVICE AND IMAGE DISPLAY METHODMay 2025October 2025Abandon500NoNo
19217183COIL COMPONENT AND FILTER CIRCUIT INCLUDING THE SAMEMay 2025January 2026Abandon800NoNo
19215483MULTI-BEAM IMAGE ACQUISITION APPARATUS AND DRIFT CORRECTION METHOD FOR MULTIPLE SECONDARY ELECTRON BEAMSMay 2025September 2025Abandon400NoNo
19213067OPTICAL REFLECTION ELEMENT AND METHOD FOR MANUFACTURING OPTICAL REFLECTION ELEMENTMay 2025January 2026Abandon800NoNo
19213924EQUIPPING MACHINE LEARNING MODELS WITH SOCIAL NETWORK KNOWLEDGE, VIDEO EDITING VIA FACTORIZED DIFFUSION DISTILLATION & EFFICIENT DEPTH STABILIZER FOR MIXED REALITY & AUGMENTED REALITYMay 2025January 2026Abandon800NoNo
19212757IMAGING DEVICEMay 2025December 2025Abandon700NoNo
19212837CONNECTORMay 2025December 2025Abandon700NoNo
19210494Herbicidal compositions comprising diclosulamMay 2025November 2025Abandon600NoNo
19209271CHARGING DEVICE AND SYSTEMMay 2025February 2026Abandon900NoNo
19207008OPTICAL REFLECTION ELEMENTMay 2025January 2026Abandon800NoNo
19205059CONNECTORMay 2025December 2025Abandon700NoNo
19204924ADDITIVE FOR POSITIVE ELECTRODE, POSITIVE ELECTRODE INCLUDING THE SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAMEMay 2025August 2025Abandon400NoNo
19204442CELLULOSE SYNTHASE INHIBITORS AS A NEW CLASS OF HERBICIDE AND NON-GMO CROPS THAT ARE RESISTANT TO THE HERBICIDEMay 2025August 2025Abandon400NoNo
19199946TECHNOLOGIES FOR RE-PROGRAMMABLE HARDWARE IN AUTONOMOUS VEHICLESMay 2025October 2025Abandon500NoNo
19193775SUPPRESSOR CONNECTOR FOR FIREARMSApril 2025June 2025Abandon100NoNo
19188493PHASE DETECTOR AND OPERATION METHOD THEREOF, CLOCK AND DATA RECOVERY CIRCUIT, AND ELECTRONIC DEVICEApril 2025September 2025Abandon500NoNo
19188826LOAD SENSOR AND LOAD DETECTING DEVICEApril 2025December 2025Abandon700NoNo
18842291THICK CONDUCTOR BUILT-IN TYPE PRINTED WIRING BOARD AND METHOD FOR MANUFACTURING SAMEApril 2025September 2025Abandon1200NoNo
19185317WATER ELECTROLYZER AND METHOD OF OPERATING WATER ELECTROLYZERApril 2025November 2025Abandon700NoNo
19186181LIGHT DETECTORApril 2025December 2025Abandon700NoNo
19179275Display System with a Shared Catadioptric Collimating LensApril 2025November 2025Abandon700NoNo
18836230VEHICLE-MOUNTED DRAIN SEPARATOR, AND VEHICLE-MOUNTED EXHAUST GAS ANALYSIS DEVICEApril 2025March 2026Abandon1900NoNo
19173793LOWER ARM ASSEMBLY OF A ROBOTApril 2025July 2025Abandon300NoNo
19172958LED LIGHTING METHODS AND APPARATUSApril 2025January 2026Abandon1000NoNo
19173371APPARATUS AND METHOD FOR GROWTH OF GADOLINIUM GALLIUM GARNET CRYSTALApril 2025July 2025Abandon400NoNo
19169562OPTICAL COHERENCE TOMOGRAPHY SYSTEM FOR OPHTHALMOLOGYApril 2025August 2025Abandon500NoNo
19117884LEARNING SYSTEM, LEARNING METHOD, AND PROGRAMApril 2025January 2026Abandon1000NoNo
19091236MEASUREMENT DEVICE AND LOAD DETECTION SYSTEMMarch 2025February 2026Abandon1100NoNo
19089896METHODS AND REAGENTS FOR TUMOR TARGETING WITH GREATER EFFICACY AND LESS TOXICITYMarch 2025December 2025Abandon900NoNo
19114362VEHICLE TEMPERATURE CONTROL SYSTEMMarch 2025January 2026Abandon1000NoNo
19086449ELECTRICAL CONNECTOR APPARATUS AND METHODMarch 2025October 2025Abandon700NoNo
19086886METHODS AND SYSTEMS FOR FIBER CAN OPTIMIZATION AND PATCHING HARDWARE IN ACTIVE RACKS WITH CABLE ROUTING AND CABLE MANAGEMENT FUNCTIONSMarch 2025February 2026Abandon1100NoNo
19084930CLASSIFICATION OF CANCER FOR TREATMENT AND/OR MANAGEMENT BASED ON MACHINE LEARNING MODELSMarch 2025April 2025Abandon100NoNo
19113730TRANSFORMER AND POWER SUPPLY DEVICEMarch 2025February 2026Abandon1100NoNo
19082965APPARATUS AND METHOD FOR RECOMMENDING WHEN TO DISCARD DENTAL FILE DURING USEMarch 2025May 2025Abandon200NoNo
19081999METHODS FOR NUCLEIC ACID ANALYSISMarch 2025October 2025Abandon700NoNo
19081056TEMPERATURE REGULATORMarch 2025February 2026Abandon1100NoNo
19112527HANDHELD WORK APPARATUS, AND EXHAUST GAS AFTER-TREATMENT UNIT FOR A HANDHELD WORK APPARATUS, AND EXHAUST MUFFLERMarch 2025October 2025Abandon700NoNo
19079180VIRTUAL SYSTEM MANAGEMENT SYSTEMMarch 2025February 2026Abandon1100NoNo
19078993LOAD DETECTING DEVICE AND DETECTING CIRCUITMarch 2025February 2026Abandon1100NoNo
19078056STORAGE SYSTEMMarch 2025February 2026Abandon1100NoNo
19076116INFRARED LED ELEMENTMarch 2025February 2026Abandon1100NoNo
19074560MANUFACTURING FACILITYMarch 2025January 2026Abandon1000NoNo
19110386PROCESSING DEVICE, OUTPUT DEVICE, AND PROCESSING SYSTEMMarch 2025February 2026Abandon1100NoNo
19110024VEHICULAR TEMPERATURE CONTROL SYSTEM AND TEMPERATURE CONTROL METHODMarch 2025January 2026Abandon1100NoNo
19109878VEHICLE TEMPERATURE CONTROL SYSTEM AND TEMPERATURE CONTROL METHODMarch 2025January 2026Abandon1100NoNo
19109694TEMPERATURE CONTROL SYSTEM AND TEMPERATURE CONTROL METHOD FOR VEHICLEMarch 2025January 2026Abandon1100NoNo
19072871ARTIFICIAL INTELLIGENCE DRIVEN MONITORING SYSTEM FOR AGING WHISKEYMarch 2025August 2025Abandon500NoNo

Appeals Overview

This analysis examines appeal outcomes and the strategic value of filing appeals for tech-center 3900.

Patent Trial and Appeal Board (PTAB) Decisions

Total PTAB Decisions
41
Examiner Affirmed
23
(56.1%)
Examiner Reversed
18
(43.9%)
Reversal Percentile
90.0%
Higher than average

What This Means

With a 43.9% reversal rate, the PTAB reverses the examiner's rejections in a meaningful percentage of cases. This reversal rate is in the top 25% across the USPTO, indicating that appeals are more successful here than in most other areas.

Strategic Value of Filing an Appeal

Total Appeal Filings
145
Allowed After Appeal Filing
58
(40.0%)
Not Allowed After Appeal Filing
87
(60.0%)
Filing Benefit Percentile
81.8%
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, 40.0% 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.

Technology Center 3900 - Mechanical Engineering, Manufacturing, and Products

Executive Summary

Technology Center 3900 covers Mechanical Engineering, Manufacturing, and Products. This technology center has examined 5,487 patent applications in our dataset, with an overall allowance rate of 30.9%. Applications typically reach final disposition in approximately 15 months.

Prosecution Patterns

Applications in Technology Center 3900 receive an average of 0.64 office actions before reaching final disposition. The median prosecution time is 15 months.

Technology-Specific Considerations

This technology center encompasses a broad range of technical subject matter. Prosecution strategies should be tailored based on the specific art unit and examiner assigned to your application. Review the group, art unit, and examiner-level statistics for more targeted strategic insights.

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.