USPTO Group 1720 Prosecution Statistics

Recent Applications

Detailed information about the 100 most recent patent applications.

Application NumberTitleFiling DateDisposal DateDispositionTime (months)Office ActionsRestrictionsInterviewAppeal
19391887SYSTEMS AND METHODS FOR MINIMIZING AND PREVENTING DENDRITE FORMATION IN ELECTROCHEMICAL CELLSNovember 2025February 2026Allow300YesNo
19378409BOLT FASTENED FUEL ASSEMBLY FOR BIOFUELSNovember 2025March 2026Allow400NoNo
19355220REACTIVE SINTERING OF CERAMIC LITHIUM-ION SOLID ELECTROLYTESOctober 2025February 2026Allow410NoNo
19328272ENERGY STORAGE POWER SUPPLYSeptember 2025March 2026Allow610YesNo
19328892Pouch Type Case And Battery Pack Including The SameSeptember 2025December 2025Allow300NoNo
19327507SYSTEM FOR SUPPLYING POWER TO A PORTABLE BATTERY USING AT LEAST ONE SOLAR PANELSeptember 2025December 2025Allow410NoNo
19327004NEGATIVE ELECTRODE SHEET AND PREPARATION METHOD THEREFOR, SECONDARY BATTERY, AND ELECTRIC DEVICESeptember 2025March 2026Allow610NoNo
19326263PORTABLE POWER CASE WITH LITHIUM IRON PHOSPHATE BATTERYSeptember 2025December 2025Allow310NoNo
19321760MONITORING AND EARLY WARNING SYSTEM FOR POWER LITHIUM ION BATTERY TRANSPORT CASE AND MONITORING AND EARLY WARNING METHODSeptember 2025January 2026Allow410NoNo
19321313BATTERY CELL COMPRISING INSULATING MEMBER COVERING TAB, BATTERY, AND ELECTRIC APPARATUSSeptember 2025March 2026Allow610NoNo
19317225SYSTEM FOR ADJUSTMENT OF A SOLAR PANELSeptember 2025February 2026Allow510YesNo
19317145BATTERY CELL WITH ALUMINUM COMPONENTS, BATTERY, AND ELECTRIC APPARATUSSeptember 2025January 2026Allow501NoNo
19317114CASING ASSEMBLY, BATTERY CELL, BATTERY, AND ELECTRIC APPARATUSSeptember 2025March 2026Allow610NoNo
19313125END PLATE, CASE, BATTERY, ELECTRIC DEVICE, AND ASSEMBLING METHOD FOR CASEAugust 2025January 2026Allow510NoNo
19311597PHOTOVOLTAIC MODULE MOUNT WITH INTEGRATED CABLE MANAGEMENT FEATUREAugust 2025February 2026Allow610YesNo
19307065POSITIVE ELECTRODE ACTIVE MATERIAL AND PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE SHEET, SECONDARY BATTERY, AND ELECTRICAL DEVICEAugust 2025February 2026Allow601NoNo
19303392SEPARATOR, BATTERY CELL, BATTERY AND ELECTRICAL APPARATUSAugust 2025March 2026Allow610NoNo
19303381BATTERY CELL, BATTERY, AND ELECTRICAL APPARATUSAugust 2025January 2026Allow510NoNo
19299349BATTERY CELL, BATTERY, AND ELECTRIC DEVICEAugust 2025January 2026Allow510YesNo
19299369CURRENT COLLECTOR, BATTERY CELL, BATTERY AND ELECTRICAL DEVICEAugust 2025February 2026Allow611YesNo
19299251Increased Capacity Battery Cell Using Reservoir Replenishing AdditivesAugust 2025March 2026Allow720NoNo
19297092ELECTRIC LIFTING PHOTOVOLTAIC PANEL POWER GENERATION DEVICEAugust 2025December 2025Allow410NoNo
19297579SEPARATOR, BATTERY CELL, BATTERY, AND ELECTRIC DEVICEAugust 2025January 2026Allow610NoNo
19295713BATTERY CELL, BATTERY, AND POWER CONSUMING APPARATUSAugust 2025October 2025Allow300NoNo
19296899BATTERY CELL, BATTERY, AND ELECTRICAL APPARATUSAugust 2025February 2026Allow710NoNo
19295673BATTERY AND ELECTRIC APPARATUSAugust 2025January 2026Allow510NoNo
19295353PROCESS FOR PREPARING ELECTROACTIVE MATERIALS FOR METAL-ION BATTERIESAugust 2025January 2026Allow500YesNo
19294530SYSTEM FOR SUPPLYING POWER TO AT LEAST ONE POWER DISTRIBUTION AND DATA HUB USING A PORTABLE BATTERY PACKAugust 2025January 2026Allow610NoNo
19294326POSITIVE ELECTRODE ACTIVE MATERIAL COMPOSITION, POSITIVE ELECTRODE PLATE, BATTERY, AND ELECTRICAL APPARATUSAugust 2025March 2026Allow720NoNo
19293001BATTERY, THERMAL RUNAWAY EARLY-WARNING METHOD AND APPARATUS THEREFOR, AND STORAGE MEDIUMAugust 2025December 2025Allow510NoNo
19291617BATTERY CELL, BATTERY, ELECTRIC APPARATUS, AND ENERGY STORAGE APPARATUSAugust 2025January 2026Allow510NoNo
19290915ZINC BROMINE CELL HAVING ENCLOSED ELECTRODESAugust 2025January 2026Allow611NoNo
19286843HIGH-EFFICIENCY AND SCALABLE ELECTRIC PHOTOVOLTAIC DEVICEJuly 2025January 2026Allow601YesNo
19287118PORTABLE POWER CASE WITH HEAT-RESISTANT MATERIALJuly 2025October 2025Allow310NoNo
19284734POSITIVE ELECTRODE PLATE AND PREPARATION METHOD THEREFOR, BATTERY, AND ELECTRICAL APPARATUSJuly 2025March 2026Allow721NoNo
19285390ARRANGEMENTS FOR INHIBITING INTRUSION INTO BATTERY PACK ELECTRICAL COMPONENTSJuly 2025March 2026Allow710NoNo
19282526Thermophotovoltaic Receivers Comprising Extruded Cores and Integrated Submount Assemblies Supporting Thermophotovoltaic CellsJuly 2025March 2026Allow711YesNo
19279676FUEL CELL ASSEMBLY FOR BIOFUELSJuly 2025October 2025Allow300NoNo
19277050APPARATUS AND METHODS FOR EFFICIENT CONVERSION OF HEAT TO ELECTRICITY VIA EMISSION OF CHARACTERISTIC RADIATIONJuly 2025December 2025Allow510NoNo
19274089POSITIVE ELECTRODE ACTIVE MATERIAL, PREPARATION METHOD THEREOF, POSITIVE ELECTRODE PLATE, SECONDARY BATTERY, AND ELECTRIC APPARATUSJuly 2025December 2025Allow510NoNo
19261925Back-Contact Solar Cell, Battery Assembly and Photovoltaic SystemJuly 2025February 2026Allow710NoNo
19260204ALUMINUM-CASED CYLINDRICAL BATTERY STRUCTURE WITH ELECTROLYTE INJECTED AT POLE TERMINALJuly 2025October 2025Allow400NoNo
19256208TOOL BATTERY PACKJuly 2025December 2025Allow520NoNo
19254087FUNCTIONAL POLYCRYSTALLINE SILICON TUNNELING SILICON OXIDE PASSIVATED CONTACT STRUCTURE AND PREPARATION METHOD THEREOFJune 2025January 2026Allow720YesNo
19254025HEAT EXCHANGE ASSEMBLY, BATTERY APPARATUS, ELECTRIC DEVICE, AND ENERGY STORAGE DEVICEJune 2025October 2025Allow410NoNo
19255588ELECTRODE SHEET AND PREPARATION METHOD THEREFOR, BATTERY CELL, BATTERY, AND ELECTRIC DEVICEJune 2025August 2025Allow200NoNo
19254021ELECTRODE SHEET, PREPARATION METHOD THEREFOR, BATTERY CELL, BATTERY, AND ELECTRIC DEVICEJune 2025August 2025Allow200NoNo
19249552SPACE-BASED SOLAR POWER SYSTEMJune 2025September 2025Allow310NoNo
19246611PHOTOVOLTAIC ARRAY CLEANING SYSTEMJune 2025August 2025Allow100YesNo
19246590PHOTOVOLTAIC PANEL AIR SPRAY CLEANING SYSTEMJune 2025August 2025Allow100YesNo
19246520PRESSURE AND ELECTROSTATIC PHOTOVOLTAIC CLEANING SYSTEMJune 2025August 2025Allow200YesNo
19241883TOOL BATTERY PACKJune 2025October 2025Allow410NoNo
19241850TOOL BATTERY PACKJune 2025July 2025Allow100NoNo
19242841PASSIVATED CONTACT STRUCTURE, SOLAR CELL, MODULE AND SYSTEMJune 2025December 2025Allow600NoNo
19237736SYSTEM FOR SUPPLYING POWER TO A PORTABLE BATTERY USING AT LEAST ONE SOLAR PANELJune 2025August 2025Allow210NoNo
19237048DETECTION METHOD AND APPARATUS FOR INVERTER SYSTEM AND INVERTER SYSTEMJune 2025October 2025Allow501NoNo
19233526CATHODE ACTIVE MATERIAL PRECURSOR, CATHODE ACTIVE MATERIAL, LITHIUM SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAMEJune 2025November 2025Allow510YesNo
19232230SYSTEM FOR SUPPLYING POWER TO A PORTABLE BATTERY USING AT LEAST ONE SOLAR PANELJune 2025October 2025Allow420NoNo
19230302Material for Dissipating Heat From and/or Reducing Heat Signature of Electronic Devices and ClothingJune 2025September 2025Allow310NoNo
19230312RADIO BATTERY LIDJune 2025November 2025Allow510NoNo
19229016PURLIN, PURLIN ASSEMBLY AND PHOTOVOLTAIC BRACKETJune 2025October 2025Allow410NoNo
19136188SOLAR ENERGY SYSTEM ON LAND AND WATERJune 2025December 2025Allow600YesNo
19229830TERRAIN-FOLLOWING SOLAR TRACKER SYSTEMJune 2025January 2026Allow810NoNo
19228398BATTERY ACTIVE MATERIAL LAYER WITH CONDUCTIVE ACTIVE MATERIAL PARTICLESJune 2025January 2026Allow710NoNo
19226446BATTERY CELL HAVING A PROTECTIVE MEMBER, BATTERY, AND POWER CONSUMING DEVICEJune 2025February 2026Allow920NoNo
19223220WARM-UP AND TEMPERATURE PRESERVATION APPARATUS FOR ENERGY STORAGE BATTERIES IN COLD REGIONSMay 2025August 2025Allow200NoNo
19223024BATTERY CELL, BATTERY, AND ELECTRIC DEVICEMay 2025December 2025Allow610NoNo
19134130LOCALIZED HIGH SALT CONCENTRATION ELECTROLYTEMay 2025December 2025Allow700NoNo
19134127LOCALIZED HIGH SALT CONCENTRATION ELECTROLYTEMay 2025January 2026Allow810NoNo
19220156SOLAR PANEL ASSEMBLY METHODMay 2025March 2026Allow900YesNo
19218884BATTERYMay 2025January 2026Allow820NoNo
19218546SOLAR CELL AND PHOTOVOLTAIC MODULEMay 2025March 2026Allow900NoNo
19215962THIN-FILM SOLAR MODULE AND MANUFACTURING METHOD THEREOFMay 2025October 2025Allow511YesNo
19216486DIMENSIONAL CONSTRAINTS FOR THREE-DIMENSIONAL BATTERIESMay 2025January 2026Allow820YesNo
19216009BATTERY CELL, BATTERY, AND ELECTRICAL DEVICEMay 2025August 2025Allow200NoNo
19213027METHOD AND SYSTEM FOR PAIRING BARE CELLSMay 2025December 2025Allow710YesNo
19212735BATTERY CELL COMPRISING PROTECTIVE MEMBER FOR PREVENTING SHORT CIRCUIT, BATTERY COMPRISING THE BATTERY CELL, AND ELECTRIC APPARATUS COMPRISING THE BATTERYMay 2025October 2025Allow510NoNo
19211647THERMAL INSULATION SHEET BETWEEN BATTERY CELLS FOR ELECTRIC AUTOMOBILEMay 2025November 2025Allow611NoNo
19211299NON-AQUEOUS ELECTROLYTE, SECONDARY BATTERY, AND ELECTRICAL APPARATUSMay 2025December 2025Allow702YesNo
19210797POSITIVE ELECTRODE ACTIVE MATERIAL COMPOSITION, POSITIVE ELECTRODE PLATE, BATTERY, AND ELECTRIC APPARATUSMay 2025September 2025Allow410NoNo
19209930CELL FEEDING SYSTEM AND METHOD, CELL GROUPING SYSTEM AND METHOD, AND OPERATION SYSTEMMay 2025July 2025Allow200NoNo
19210930SYSTEMS AND METHODS FOR MINIMIZING AND PREVENTING DENDRITE FORMATION IN ELECTROCHEMICAL CELLSMay 2025November 2025Allow620YesNo
19209590BATTERYMay 2025October 2025Allow510NoNo
19209209DEPOSITION OF BIMETALLIC ALLOY COATING ON STAINLESS-STEEL BIPOLAR PLATESMay 2025July 2025Allow200NoNo
19208558WARMING-UP CONTROL METHOD IN STARTING PROCESS OF FUEL CELL SYSTEM AND FUEL CELL SYSTEMMay 2025December 2025Allow711NoNo
19207449MARINE-BASED SOLAR ELECTRICAL GENERATING SYSTEMMay 2025June 2025Allow100YesNo
19207456METHOD FOR GENERATING SOLAR ELECTRICAL ENERGY IN A MARINE ENVIRONMENTMay 2025June 2025Allow100YesNo
19206151MULTI-MODE COOLING SYSTEM FOR BATTERIESMay 2025August 2025Allow300NoNo
19207165METHOD FOR GENERATING ELECTRICITY USING A MULTILAYER PEROVSKITE SOLAR CELLMay 2025November 2025Allow610YesNo
19207079SOLAR CELL WITH FULLERENE AND PERVOSKITE LAYERSMay 2025November 2025Allow620NoNo
19206985LEAD-FREE PEROVSKITE SOLAR CELL WITH MULTILAYER FRAMED ASSEMBLYMay 2025September 2025Allow410YesNo
19206435ANODE MATERIAL, PREPARATION METHOD THEREOF AND BATTERYMay 2025July 2025Allow200NoNo
19201153Button cell sensor for a motor vehicle wheelMay 2025July 2025Allow200NoNo
19201895BATTERY CELL AND BATTERYMay 2025July 2025Allow310NoNo
19200946POSITIVE ELECTRODE ACTIVE MATERIAL INCLUDING LITHIUM COBALTATE WITH LAYERED ROCK-SALT AND ROCK-SALT CRYSTAL STRUCTURES AND MAGNESIUM AND FLUORINE IN CRACK PORTION, METHOD FOR MANUFACTURING POSITIVE ELECTRODE ACTIVE MATERIAL, AND SECONDARY BATTERYMay 2025September 2025Allow510NoNo
19200210SYSTEMS AND METHODS FOR MINIMIZING AND PREVENTING DENDRITE FORMATION IN ELECTROCHEMICAL CELLSMay 2025September 2025Allow420YesNo
19198655GROUPING DEVICE, GROUPING METHOD, AND BATTERY PRODUCTION LINEMay 2025July 2025Allow200NoNo
19198648PERSONAL TACTICAL SYSTEM INCLUDING GARMENT, CAMERA, AND POWER DISTRIBUTION AND DATA HUBMay 2025August 2025Allow311YesNo
19197732SYSTEMS AND METHODS FOR MINIMIZING AND PREVENTING DENDRITE FORMATION IN ELECTROCHEMICAL CELLSMay 2025August 2025Allow400NoNo
19196212PORTABLE POWER CASE WITH HEAT-RESISTANT MATERIALMay 2025July 2025Allow210NoNo

Appeals Overview

This analysis examines appeal outcomes and the strategic value of filing appeals for group 1720.

Patent Trial and Appeal Board (PTAB) Decisions

Total PTAB Decisions
1990
Examiner Affirmed
1288
(64.7%)
Examiner Reversed
702
(35.3%)
Reversal Percentile
67.5%
Higher than average

What This Means

With a 35.3% 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
6093
Allowed After Appeal Filing
1921
(31.5%)
Not Allowed After Appeal Filing
4172
(68.5%)
Filing Benefit Percentile
42.0%
Lower 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, 31.5% of applications that filed an appeal were subsequently allowed. This appeal filing benefit rate is below the USPTO average, suggesting that filing an appeal has limited effectiveness in prompting favorable reconsideration.

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 shows limited benefit. Consider other strategies like interviews or amendments before appealing.

Group 1720 - Prosecution Statistics Summary

Executive Summary

Group 1720 is part of Technology Center 1700. This group has examined 106,131 patent applications in our dataset, with an overall allowance rate of 71.2%. Applications typically reach final disposition in approximately 31 months.

Prosecution Patterns

Applications in Group 1720 receive an average of 2.02 office actions before reaching final disposition. The median prosecution time is 31 months.

Strategic Overview

This group-level data aggregates statistics across multiple art units. For more targeted prosecution strategies, review the individual art unit and examiner statistics within this group.

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.