USPTO Art Unit 2839 Prosecution Statistics

Recent Applications

Detailed information about the 100 most recent patent applications.

Application NumberTitleFiling DateDisposal DateDispositionTime (months)Office ActionsRestrictionsInterviewAppeal
18648440LOW POWER CONSUMPTION AND HIGH PRECISION RESISTANCE-FREE CMOS REFERENCE VOLTAGE SOURCEApril 2024July 2024Allow200YesNo
18634713MODULATION STRATEGY SUITABLE FOR BALANCING LOSSES OF POWER SWITCHES IN BRIDGE ARM OF NEUTRAL POINT CLAMPED THREE LEVEL INVERTER AND IMPLEMENTATION METHODApril 2024July 2024Allow300YesNo
18630792Curvature-Corrected Bandgap ReferenceApril 2024June 2024Allow200YesNo
18439173CONSTANT-FREQUENCY SINGLE-CARRIER SENSOR-LESS MODULATION FOR THE THREE LEVEL FLYING CAPACITOR MULTICELL CONVERTERFebruary 2024April 2024Allow6000YesNo
18434104METHOD AND DEVICE FOR DETECTING SYSTEM FAILURE, COMPUTER DEVICE, AND STORAGE MEDIUMFebruary 2024April 2024Allow300NoNo
18524484ELECTROSTATIC CHUCK ASSEMBLY FOR PLASMA PROCESSING APPARATUSNovember 2023June 2024Allow600YesNo
18509064HIGH VOLTAGE STAGE FOR SWITCHING REGULATORNovember 2023June 2024Allow700NoNo
18507031Single stage power factor correcting synchronous harmonic converterNovember 2023July 2024Allow800NoNo
18502971RESONANT CONVERTER WITH MULTIPLE RESONANT TANK CIRCUITSNovember 2023June 2024Allow800YesNo
18501494MICROGRID INVERTER CONTROLLER AND INVERTER FAULT CURRENT CONTROL METHODNovember 2023April 2024Allow500NoNo
18498471CONTROL SYSTEM OF AN ELECTROMAGNETIC RELAY AND ELECTROMAGNETIC RELAYOctober 2023April 2024Allow510NoNo
18493557AUXILIARY CIRCUIT TO INJECT FAULT CURRENT DURING GRID FAULTSOctober 2023March 2024Allow510NoNo
18492737POWER CONVERTER SYSTEM WITH HIGH CONVERSION EFFICIENCYOctober 2023December 2023Allow200YesNo
18379099SUPPLY-GLITCH-TOLERANT REGULATOROctober 2023May 2024Allow700YesNo
18553045TRANSFORMER ARRANGEMENTSeptember 2023June 2024Allow800NoNo
18371332METHOD AND APPARATUS FOR SENSING THE INPUT VOLTAGE OF A POWER CONVERTERSeptember 2023June 2024Allow900NoNo
18468745STARTUP CONTROL METHOD AND SYSTEMSeptember 2023April 2024Allow700YesNo
18468746VOLTAGE SPIKE MEASUREMENT CIRCUIT AND METHODSeptember 2023April 2024Allow700YesNo
18464220Single stage synchronous generalized regulatorSeptember 2023October 2023Allow100YesNo
18458750CHARGE PUMP STABILITY CONTROLAugust 2023April 2024Allow800NoNo
18239536System for Preventing Transformer SaturationAugust 2023March 2024Allow700YesNo
18238981Very High Efficiency Soft Switching Converter AKA the Adjud ConverterAugust 2023April 2024Allow700NoNo
18237673ELECTROSTATIC CHUCK ASSEMBLY FOR CRYOGENIC APPLICATIONSAugust 2023March 2024Allow600YesNo
18455538ELECTRICAL RECEPTACLE FAULT PROTECTIONAugust 2023March 2024Allow600YesNo
18236875Phase-Shifted Full-Bridge Topology With Current InjectionAugust 2023September 2024Abandon1310NoNo
18452423DIGITAL LOW-DROPOUT VOLTAGE REGULATORAugust 2023July 2024Allow1110YesNo
18451669FERROMAGNETIC HARMONIC ELIMINATION METHOD FOR ACTIVE MATCHED RESISTANCE VOLTAGE TRANSFORMER BASED ON PID ADJUSTMENTAugust 2023November 2023Allow300NoNo
18235004SUPPRESSION OF SIGNAL TRANSMISSION OVER A CONDUCTORAugust 2023February 2024Allow600YesNo
18234735ENERGY REDUCING KEY FOR ELECTRONIC TRIP UNITSAugust 2023February 2024Allow600YesNo
18233255METHOD AND APPARATUS FOR DIGITAL, CLOSED-LOOP CONTROL OF CRCM SWITCH-MODE POWER CONVERTERSAugust 2023April 2024Allow800NoNo
18231725ELECTRONIC DEVICE WITH MAGNETIC FIELD SENSOR DESIGN FOR DETECTION OF MULTIPLE ACCESSORIESAugust 2023March 2024Allow700YesNo
18263443VACUUM INTERRUPTERJuly 2023November 2023Allow400NoNo
18227670Electric Transmission Line Ground Fault Prevention Methods Using Multi-Parameter High Sensitivity MonitoringJuly 2023September 2023Allow200NoNo
18225325Methods and Circuits for Sensing Isolated Power Converter Output Voltage Across the Isolation BarrierJuly 2023March 2024Allow700YesNo
18273155FRACTAL POWER CONVERTER AND METHOD FOR CONSTRUCTING FRACTAL POWER CONVERTERJuly 2023April 2024Allow900YesNo
18346298ACTIVE METAL FUSES FOR DC-EOS AND SURGE PROTECTIONJuly 2023January 2024Allow700YesNo
18344725POWER CONVERTERS AND METHODS OF CONTROLLING SAMEJune 2023February 2024Allow700NoNo
18210804METHOD FOR PARALLELING OF INTERLEAVED POWER CONVERTERSJune 2023June 2024Allow1200YesNo
18209090SEMICONDUCTOR LAYOUT FOR ELECTROSTATIC DISCHARGE PROTECTION, ELECTROSTATIC DISCHARGE PROTECTION CIRCUIT, AND METHOD FOR FORMING THE SAMEJune 2023January 2024Allow700NoNo
18206931FORMING MESAS ON AN ELECTROSTATIC CHUCKJune 2023March 2024Allow910NoNo
18329465POWER CONVERTER, DISPLAY DEVICE INCLUDING POWER CONVERTER, SYSTEM INCLUDING DISPLAY DEVICE, AND METHOD OF DRIVING DISPLAY DEVICEJune 2023December 2023Allow700YesNo
18329511MULTIPHASE SERIES CAPACITOR DC-DC CONVERTER AND CONTROL METHODJune 2023September 2023Allow300NoNo
18202330POWER CONVERTING DEVICEMay 2023June 2024Abandon1310NoNo
18201919PT FERROMAGNETIC RESONANCE ELIMINATION METHOD IMPLEMENTED BY ACTIVELY INPUTTING RESISTANCE THROUGH ELECTRONIC LOADMay 2023September 2023Allow300NoNo
18318177ZERO CROSSING CONTACTOR AND METHOD OF OPERATINGMay 2023February 2024Allow900YesNo
18036537Method For Solving For Converter Valve States And Valve Currents Based On Valve-Side Current Timing CharacteristicsMay 2023July 2024Allow1420YesNo
17235164Selective Coordination of Solid-State Circuit Breakers and Mechanical Circuit Breakers in Electrical Distribution SystemsMay 2023June 2023Allow2610NoNo
18144113PROVIDING PULSES OF STIMULUS SIGNAL BETWEEN PAIRS OF ELECTRODESMay 2023June 2024Allow1310NoNo
18143277METHOD AND SYSTEM FOR DYNAMIC POWER DELIVERY TO A FLEXIBLE GROWCENTER USING UNUTILIZED ENERGY SOURCESMay 2023May 2024Allow1210YesNo
18312230HEMT-BASED DRIVER CIRCUIT AND METHOD OF OPERATING THE SAMEMay 2023December 2023Allow700YesNo
18142883SYSTEMS AND METHODS TO CABLE SHIELD FAULT DETECTION AND PROTECTIONMay 2023June 2024Allow1300NoNo
18142935QUICK BATTERY DISCONNECT SYSTEM FOR HIGH CURRENT CIRCUITSMay 2023February 2024Allow1010YesNo
18310824AUDIO ELECTRONIC SYSTEM WITH SWITCHING CONVERTERMay 2023April 2024Allow1220YesNo
18141911INTERFACE FOR PASSING CONTROL INFORMATION OVER AN ISOLATION CHANNELMay 2023December 2023Allow700YesNo
18141221APPARATUSES AND METHODS FOR PASSIVE FAULT MONITORING OF CURRENT SENSING DEVICES IN PROTECTIVE CIRCUIT INTERRUPTERSApril 2023November 2023Allow700YesNo
18308887VOLTAGE REFERENCE CIRCUIT AND METHOD FOR PROVIDING REFERENCE VOLTAGEApril 2023April 2024Allow1200NoNo
18139660ELECTROSTATIC CHUCKS WITH COOLANT GAS ZONES AND CORRESPONDING GROOVE AND MONOPOLAR ELECTROSTATIC CLAMPING ELECTRODE PATTERNSApril 2023November 2023Allow700YesNo
18307087ADAPTIVE CONTROL METHOD FOR MULTIPLE INVERTERS IN PARALLEL AND SYSTEM WITH MULTIPLE INVERTERS IN PARALLELApril 2023July 2023Allow300NoNo
18306857REDUNDANT ROBOT POWER AND COMMUNICATION ARCHITECTUREApril 2023February 2024Allow1010YesNo
18138107ELECTROSTATIC ELIMINATING DEVICE AND VEHICLEApril 2023October 2024Abandon1710NoNo
18305222CONVERTER OUTPUT STAGE WITH BIAS VOLTAGE GENERATORApril 2023December 2023Allow800YesNo
18304211SEMICONDUCTOR DEVICE AND SEMICONDUCTOR MODULEApril 2023October 2023Allow600YesNo
18135809POWER CONVERTER WITH CROSS COUPLED CAPACITORSApril 2023March 2024Allow1110YesNo
18133821STATE-INDICATING DEVICE FOR LOW CURRENT APPLICATIONS WITH WIDER OPERATING RANGEApril 2023May 2024Allow1300NoNo
18299436Self-Powered RecloserApril 2023April 2024Allow1210NoNo
18133295MULTIDIMENSIONAL SPACE VECTOR MODULATION (MDSVM) CIRCUIT AND METHOD THEREOFApril 2023May 2024Allow1320YesNo
18133382HYBRID RELAYApril 2023December 2023Allow800NoNo
18132637VOLTAGE HARVESTER FOR POWER DISTRIBUTION SYSTEM DEVICESApril 2023April 2024Allow1310NoNo
18132804Compact Modular Electrical Load Management SystemApril 2023April 2024Allow1220NoNo
18132282SPLIT BUS INVERTER ARCHITECTUREApril 2023December 2023Allow900NoNo
18131992ZERO-VOLTAGE-SWITCHING CONTROL CIRCUIT, CONTROL METHOD AND SWITCHING POWER SUPPLYApril 2023May 2024Allow1310NoNo
18191916CLOSED LOOP COMMUTATION CONTROL FOR A SWITCHING POWER CONVERTERMarch 2023May 2024Allow1310NoNo
18126520MICRO ASSEMBLER WITH FINE ANGLE CONTROLMarch 2023March 2024Allow1210NoNo
18122963POWER CONVERSION CIRCUIT AND POWER CONVERSION APPARATUS WITH SAMEMarch 2023September 2023Allow600NoNo
18121227SOLID STATE CIRCUIT INTERRUPTERMarch 2023October 2023Allow710YesNo
18181977POWER SUPPLY DEVICE, POWER SUPPLY SYSTEM AND METHOD FOR CONTROLLING THE SAMEMarch 2023January 2024Allow1110NoNo
18181629CIRCUIT AND METHOD FOR MITIGATING TRANSIENT EFFECTS IN A VOLTAGE REGULATORMarch 2023October 2023Allow710YesNo
18180550FUSIBLE LINK FOR ARC DETECTIONMarch 2023June 2024Allow1610NoNo
18178409POWER CORD WITH LEAKAGE CURRENT DETECTION AND INTERRUPTION FUNCTIONMarch 2023March 2024Allow1310NoNo
18178267CHARGING AND FIELD SUPPLEMENT CIRCUIT FOR SUPERCONDUCTING MAGNETS BASED ON PULSED CURRENTMarch 2023September 2023Allow600NoNo
18116893SERIAL ELECTRODE DEPLOYMENT FOR CONDUCTED ELECTRICAL WEAPONMarch 2023May 2024Allow1400NoNo
18177191MOTOR COOLING MEMBERMarch 2023September 2023Allow610NoNo
18174447SWITCHING DEVICE, SWITCHING POWER SUPPLY APPARATUS, AND VEHICLEFebruary 2023January 2024Allow1010NoNo
18174032VEHICLEFebruary 2023October 2023Allow800NoNo
18173859DYNAMIC BIASING CIRCUIT FOR MAIN COMPARATOR TO IMPROVE LOAD-TRANSIENT AND LINE-TRANSIENT PERFORMANCE OF BUCK CONVERTER IN 100% MODEFebruary 2023June 2023Allow400NoNo
18172751METHODS AND APPARATUS FOR BATTERY CURRENT MONITORINGFebruary 2023September 2023Allow710YesNo
18171455Photovoltaic Panel CircuitryFebruary 2023May 2024Allow1500NoNo
18108512POWER CONVERTER AND CONTROLLER FOR A POWER CONVERTER AND MANNERS OF OPERATION THEREOFFebruary 2023April 2024Allow1410NoNo
18166860CROSS-DOMAIN ELECTROSTATIC DISCHARGE PROTECTIONFebruary 2023April 2024Allow1410NoNo
18164666Multi-PATH resonant circuit and resonant converterFebruary 2023February 2024Allow1210YesNo
18164645METHOD AND APPARATUS FOR DETERMINING PHASE LOCKING OF CRITICAL ARC LIGHTFebruary 2023March 2024Allow1300NoNo
18165265LOW DROPOUT REGULATOR AND RELATED METHODFebruary 2023September 2023Allow700NoNo
18164541System for Preventing Transformer SaturationFebruary 2023May 2023Allow400NoNo
18102443One-Transistor Devices for Protecting Circuits and Autocatalytic Voltage Conversion ThereforJanuary 2023December 2023Allow1000NoNo
18102553CIRCUIT INTERRUPTING DEVICE FOR PROVIDING GROUND FAULT AND OPEN NEUTRAL PROTECTION IN TEMPORARY POWER APPLICATIONSJanuary 2023July 2023Allow600NoNo
18101941ALTERNATING CURRENT (AC) VOLTAGE REGULATOR AND METHOD OF OPERATING THE SAMEJanuary 2023May 2023Allow400NoNo
18159696SPACING-ASSURED ELECTRIC FIELD SHIELD FOR GAS DISCHARGE TUBE OF MOTOR CONTROLJanuary 2023July 2023Allow610NoNo
18099999DATA ALIGNMENT METHOD, DIFFERENTIAL PROTECTOR AND DIFFERENTIAL PROTECTION SYSTEMJanuary 2023May 2024Allow1600NoNo
18157241ELECTRICAL RECEPTACLE FAULT PROTECTIONJanuary 2023May 2023Allow400YesNo
18099238POWER CONVERTER AND CONTROL METHOD THEREOFJanuary 2023May 2023Allow400YesNo

Appeals Overview

This analysis examines appeal outcomes and the strategic value of filing appeals for art-unit 2839.

Patent Trial and Appeal Board (PTAB) Decisions

Total PTAB Decisions
52
Examiner Affirmed
30
(57.7%)
Examiner Reversed
22
(42.3%)
Reversal Percentile
84.9%
Higher than average

What This Means

With a 42.3% 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
347
Allowed After Appeal Filing
144
(41.5%)
Not Allowed After Appeal Filing
203
(58.5%)
Filing Benefit Percentile
88.1%
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, 41.5% 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 2839 - Prosecution Statistics Summary

Executive Summary

Art Unit 2839 is part of Group 2830 in Technology Center 2800. This art unit has examined 16,411 patent applications in our dataset, with an overall allowance rate of 86.9%. Applications typically reach final disposition in approximately 18 months.

Comparative Analysis

Art Unit 2839's allowance rate of 86.9% places it in the 84% percentile among all USPTO art units. This art unit has a significantly higher allowance rate than most art units at the USPTO.

Prosecution Patterns

Applications in Art Unit 2839 receive an average of 1.17 office actions before reaching final disposition (in the 7% percentile). The median prosecution time is 18 months (in the 97% percentile).

Strategic Considerations

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

  • The art unit's allowance rate suggests a more favorable examination environment compared to the USPTO average.
  • With fewer 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.