USPTO Art Unit 1725 Prosecution Statistics

Art Unit Information

Art Unit: 1725
Group: 1720
Tech Center: 1700
Total Cases: 17,266
Last Active: November 2025

Recent Applications

Detailed information about the 100 most recent patent applications.

Application NumberTitleFiling DateDisposal DateDispositionTime (months)Office ActionsRestrictionsInterviewAppeal
19378409BOLT FASTENED FUEL ASSEMBLY FOR BIOFUELSNovember 2025March 2026Allow400NoNo
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
19317145BATTERY CELL WITH ALUMINUM COMPONENTS, BATTERY, AND ELECTRIC APPARATUSSeptember 2025January 2026Allow501NoNo
19303381BATTERY CELL, BATTERY, AND ELECTRICAL APPARATUSAugust 2025January 2026Allow510NoNo
19295713BATTERY CELL, BATTERY, AND POWER CONSUMING APPARATUSAugust 2025October 2025Allow300NoNo
19295673BATTERY AND ELECTRIC APPARATUSAugust 2025January 2026Allow510NoNo
19294326POSITIVE ELECTRODE ACTIVE MATERIAL COMPOSITION, POSITIVE ELECTRODE PLATE, BATTERY, AND ELECTRICAL APPARATUSAugust 2025March 2026Allow720NoNo
19290915ZINC BROMINE CELL HAVING ENCLOSED ELECTRODESAugust 2025January 2026Allow611NoNo
19285390ARRANGEMENTS FOR INHIBITING INTRUSION INTO BATTERY PACK ELECTRICAL COMPONENTSJuly 2025March 2026Allow710NoNo
19279676FUEL CELL ASSEMBLY FOR BIOFUELSJuly 2025October 2025Allow300NoNo
19255588ELECTRODE SHEET AND PREPARATION METHOD THEREFOR, BATTERY CELL, BATTERY, AND ELECTRIC DEVICEJune 2025August 2025Allow200NoNo
19241850TOOL BATTERY PACKJune 2025July 2025Allow100NoNo
19230312RADIO BATTERY LIDJune 2025November 2025Allow510NoNo
19226446BATTERY CELL HAVING A PROTECTIVE MEMBER, BATTERY, AND POWER CONSUMING DEVICEJune 2025February 2026Allow920NoNo
19223024BATTERY CELL, BATTERY, AND ELECTRIC DEVICEMay 2025December 2025Allow610NoNo
19209930CELL FEEDING SYSTEM AND METHOD, CELL GROUPING SYSTEM AND METHOD, AND OPERATION SYSTEMMay 2025July 2025Allow200NoNo
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
19191810ELECTRODE PLATE, AND BATTERY CELL, BATTERY AND ELECTRICAL DEVICE RELATED THERETOApril 2025December 2025Allow720NoNo
19187916LITHIUM-ION BATTERY CONFIGURED TO REDUCE HOUSING EXTRUSION EFFECT CAUSED BY NEGATIVE ELECTRODE SWELLINGApril 2025March 2026Allow1130NoNo
19172319ELECTROLYTE INCLUDING ELECTROLYTE SOLVENT, FLUOROETHER, AND BIS(FLUOROSULFONYL) SALT, AND LITHIUM METAL ELECTROCHEMICAL CELLS INCLUDING THE SAMEApril 2025August 2025Allow410YesNo
19077316Positive Electrode Active Material for Lithium Rechargeable Battery, Method of Producing the Same, and Lithium Rechargeable Battery Including the SameMarch 2025August 2025Allow510NoNo
19046503BATTERY MODULEFebruary 2025December 2025Allow1020YesNo
19029492POSITIVE ELECTRODE PLATE, NEGATIVE ELECTRODE PLATE, BATTERY CELL, BATTERY, AND ELECTRIC APPARATUSJanuary 2025June 2025Allow510NoNo
19009853METHODS FOR MAKING SOLID STATE BATTERY APPARATUSJanuary 2025July 2025Allow600NoNo
18983371CARBON MATERIAL COMPRISING PARTICLES WITH PORE STRUCTURES, METHOD FOR PREPARING THE SAME, AND SECONDARY BATTERY AND ELECTRICAL DEVICE COMPRISING THE SAMEDecember 2024February 2026Allow1430NoNo
18977199PLANT AND PROCESS FOR PRODUCING HYDROGEN WITH IMPROVED OPERATION OF A LOW TEMPERATURE CO2 REMOVAL UNITDecember 2024April 2025Allow401NoNo
18972543SOLID STATE BATTERIES AND METHODS OF MAKING THEREOFDecember 2024October 2025Allow1010YesNo
18970314POSITIVE ELECTRODE ACTIVE MATERIAL, SECONDARY BATTERY, ELECTRONIC DEVICE, AND VEHICLEDecember 2024February 2026Abandon1520NoNo
18872040Battery Cell, Battery Pack, and Vehicle Including SameDecember 2024June 2025Allow610YesNo
18967417PREPARATION METHOD FOR ULTRA-HIGH COMPACTED LITHIUM IRON PHOSPHATE CATHODE MATERIAL AND LITHIUM BATTERYDecember 2024February 2025Allow200NoNo
18967354LITHIUM MANGANESE IRON PHOSPHATE SUBSTRATE, CATHODE MATERIAL, PREPARATION METHOD, AND LITHIUM BATTERYDecember 2024February 2025Allow200NoNo
18964299SOLID OXIDE FUEL CELLS AND METHOD OF MANUFACTURING THE SAMENovember 2024July 2025Allow811NoNo
18946207RANGE ESTIMATOR AND LIFE-BASED POWER DEMAND STRATEGY FOR FUEL CELL POWERTRAIN SYSTEMS AND METHODSNovember 2024September 2025Allow1010YesNo
18937303ELECTROLYTE AND ELECTROCHEMICAL DEVICENovember 2024March 2025Allow510NoNo
18936685INTERMEDIATE STRUCTURE AND PREPARATION METHOD THEREFOR, AND LITHIUM SECONDARY BATTERY ELECTRODE AND PREPARATION METHOD THEREFORNovember 2024December 2025Allow1320NoNo
18935093Electrode AssemblyNovember 2024December 2024Allow200NoNo
18933093SYSTEMS AND METHODS FOR COOLING HYDROGEN FUEL GENERATED ON-BOARD PRIOR TO INJECTION INTO AN INTERNAL COMBUSTION ENGINEOctober 2024June 2025Allow820YesNo
18920394BATTERY MODULE INCLUDING COOLING MEMBER, AND BATTERY PACK AND ENERGY STORAGE SYSTEM INCLUDING THE SAMEOctober 2024September 2025Abandon1110NoNo
18857410Sulfide Solid Electrolyte for Solid-State Batteries and Method for ProductionOctober 2024June 2025Allow811YesNo
18915210TEMPLATE AS WELL AS MANUFACTURING METHOD AND USE, INTERMEDIATE STRUCTURE AND LITHIUM SECONDARY BATTERY ELECTRODEOctober 2024March 2026Allow1720NoNo
18911805LITHIUM SECONDARY BATTERY NEGATIVE ELECTRODE AND PREPARATION PROCESS THEREFOROctober 2024December 2025Abandon1421NoNo
18900338Electrochemical Devices Comprising Compressed Gas Solvent ElectrolytesSeptember 2024April 2025Allow611NoNo
18817482METHOD OF PRODUCING LIQUID FUEL FROM CARBONACEOUS FEEDSTOCK THROUGH GASIFICATION AND RECYCLING OF DOWNSTREAM PRODUCTSAugust 2024May 2025Abandon910NoNo
18837735ALKYNATED AND METHYL SULFONATED IMIDAZOLINE NON-AQUEOUS ELECTROLYTE ADDITIVE AND NONAQUEOUS ELECTROLYTE SOLUTION FOR LITHIUM SECONDARY BATTERY INCLUDING THE SAME AND LITHIUM SECONDARY BATTERYAugust 2024May 2025Allow910NoNo
18800881SEPARATOR FOR AN ELECTROCHEMICAL DEVICE INCLUDING A POROUS ORGANIC/INORGANIC COMPOSITE COATING LAYER AND AN ELECTROCHEMICAL DEVICE INCLUDING SAMEAugust 2024December 2024Allow410NoNo
18788992SYSTEMS AND METHODS FOR MIXING HYDROGEN WITH NATURAL GASJuly 2024January 2025Allow510NoNo
18783521LOW-VOLTAGE LITHIUM BATTERYJuly 2024October 2025Abandon1530NoNo
18773574BATTERY MODULEJuly 2024October 2025Allow1510NoNo
18774490Reverse Electrodialysis or Pressure-Retarded Osmosis Cell and Methods of Use ThereofJuly 2024March 2025Allow810NoNo
18769929Y-SHAPED ENTRAINED-FLOW HIGH-TEMPERATURE ZONED GASIFICATION DEVICE ADOPTING DRY-PROCESS SLAG-DISCHARGINGJuly 2024December 2024Allow510NoNo
18765241IRON-BASED CATHODE MATERIAL FOR SODIUM-ION BATTERY, PREPARATION METHOD THEREOF, AND CORRESPONDING SODIUM-ION FULL BATTERYJuly 2024December 2025Abandon1720NoNo
18764920ELECTROLYTE SYSTEMS INCLUDING CHALCOGENIDES AND COMPOUND CONTAINING ELECTRON WITHDRAWING GROUP, AND ELECTROCHEMICAL CELL INCLUDING THE SAMEJuly 2024May 2025Allow1030YesYes
18764564SYSTEM AND METHOD FOR HIGH VOLTAGE BATTERY PACK MEASUREMENTJuly 2024March 2025Allow820NoNo
18761336BATTERY PACK AND METHOD OF ASSEMBLING THE SAMEJuly 2024June 2025Allow1220NoNo
18761327BATTERY PACK AND METHOD OF ASSEMBLING THE SAMEJuly 2024May 2025Allow1010NoNo
18722106METHOD FOR MANUFACTURING LAMINATED BATTERY, MANUFACTURING APPARATUS FOR LAMINATED BATTERY, AND LAMINATED BATTERYJune 2024October 2025Abandon1620NoNo
18747106ELECTROLYTE INCLUDING ELECTROLYTE SOLVENT, FLUOROETHER, AND BIS(FLUOROSULFONYL)IMIDE SALT, AND LITHIUM METAL ELECTROCHEMICAL CELLS INCLUDING THE SAMEJune 2024November 2024Allow520YesNo
18721285Secondary Battery Comprising Seal TapeJune 2024June 2025Allow1210YesNo
18744812METHANATION REACTOR AND METHODJune 2024March 2026Allow2100NoNo
18739734BATTERY PACK COMPRISING EXTINGUISHMENT UNITJune 2024June 2025Allow1210YesNo
18736563SECONDARY BATTERY COMPRISING POSITIVE ELECTRODE PLATE AND NON-AQUEOUS ELECTROLYTE SOLUTIONJune 2024November 2024Allow510YesNo
18737827ELECTROCHEMICAL HYDROGEN-CATALYST POWER SYSTEMJune 2024December 2025Abandon1920NoNo
18737102Lithium Secondary BatteryJune 2024August 2024Allow200NoNo
18737839HYBRID SOLID-STATE CELL WITH A 3D POROUS CATHODE STRUCTUREJune 2024November 2025Allow1710YesNo
18735653BATTERY MODULE AND POWER SYSTEMJune 2024March 2026Allow2121YesNo
18735247PREPARATION METHOD AND APPLICATION OF MULTIFUNCTIONAL INTERFACE LAYER MODIFIED COMPOSITE ZINC CATHODE BASED ON ZINC BLENDEJune 2024March 2025Allow911NoNo
18680157Failsafe Liquefied Gas Electrolytes with Solidifying AgentsMay 2024March 2025Abandon940NoNo
18675490BUS BAR AND CELL STACKMay 2024March 2025Allow1010NoNo
18670896HUMIDIFIER FOR FUEL CELLMay 2024March 2025Allow1010NoNo
18667012BUSBAR ASSEMBLY AND CYLINDRICAL POWER BATTERY MODULEMay 2024August 2025Allow1510NoNo
18665563POLYETHYLENE MICROPOROUS MEMBRANE, METHOD FOR MANUFACTURING THE SAME, AND SEPARATOR INCLUDING MICROPOROUS MEMBRANEMay 2024February 2026Allow2130YesNo
18664614NANOWIRE CATALYST FOR FUEL CELL AND METHOD OF MANUFACTURING SAMEMay 2024September 2025Allow1620NoNo
18663073SEPARATOR, METHOD OF MANUFACTURING SEPARATOR, AND ELECTROCHEMICAL DEVICE INCLUDING SEPARATORMay 2024July 2025Allow1410NoNo
18660466SYSTEMS AND METHODS FOR ENGINE-MOUNTED CATALYTIC PRODUCTION OF HYDROGEN FROM AMMONIA FOR USE AS A COMBUSTION FUELMay 2024August 2024Allow310NoNo
18659021SEPARATOR, METHOD OF MANUFACTURING THE SEPARATOR, AND ELECTROCHEMICAL DEVICE INCLUDING THE SEPARATORMay 2024May 2025Allow1210NoNo
18657302BATTERY MODULE HAVING SWELLING GAUGE, AND BATTERY PACK COMPRISING SAMEMay 2024May 2025Allow1210NoNo
18656511METHODS OF PREPARING A VANADIUM ELECTROLYTE AND MIXTURES THEREFORMay 2024April 2025Allow1110NoNo
18652650SECONDARY LITHIUM BATTERY ANODE AND SECONDARY LITHIUM BATTERY INCLUDING SAMEMay 2024March 2026Allow2240NoNo
18651500BUTTON CELLApril 2024December 2025Allow1920NoNo
18649030ANODE, AND ELECTROCHEMICAL DEVICE COMPRISING THE SAMEApril 2024November 2024Allow700NoNo
18648712SYSTEM AND METHOD FOR PRODUCING HYDROGEN USING HIGH TEMPERATURE FUEL CELLSApril 2024April 2025Allow1210NoNo
18647536SEPARATOR FOR AN ELECTROCHEMICAL DEVICE INCLUDING A POROUS ORGANIC/INORGANIC COMPOSITE COATING LAYER AND AN ELECTROCHEMICAL DEVICE INCLUDING SAMEApril 2024June 2024Allow100NoNo
18644930BATTERY MODULE AND ENERGY STORAGE DEVICEApril 2024July 2024Allow200NoNo
18642839BATTERY SUB-PACKING UNITApril 2024February 2026Allow2100NoNo
18640391PROCESSES AND SYSTEMS FOR PURIFYING INDEPENDENT STREAMS OF MANGANESE, NICKEL, AND COBALT FROM LITHIUM-ION BATTERY WASTE STREAMSApril 2024October 2024Allow601NoNo
18641219ENERGY STORAGE MODULEApril 2024June 2025Allow1420NoNo
18641006POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM ION BATTERY, PREPARING METHOD OF THE SAME, AND RECHARGEABLE LITHIUM ION BATTERY COMPRISING THE SAMEApril 2024February 2025Allow1000NoNo
18639516DEVICE FOR TREATING EXHAUST GAS FROM FUEL CELLApril 2024July 2025Allow1410NoNo
18639727BATTERY MODULE INCLUDING COOLING MEMBER, AND BATTERY PACK AND ENERGY STORAGE SYSTEM INCLUDING THE SAMEApril 2024September 2024Allow510YesNo
18638330SYNGAS AND METHOD OF MAKING THE SAMEApril 2024January 2025Allow911NoNo
18636122FUEL CELL DEPLOYMENT SYSTEMS AND APPARATUSApril 2024September 2025Allow1710NoNo
18635132GRAPHENE AND POWER STORAGE DEVICE, AND MANUFACTURING METHOD THEREOFApril 2024July 2025Allow1520NoNo
18627793SYSTEM AND METHODS FOR DETERMINING A STACK CURRENT REQUEST BASED ON FUEL CELL OPERATIONAL CONDITIONSApril 2024December 2024Allow900NoNo
18626877ELECTROLYTE AND ELECTROCHEMICAL DEVICEApril 2024July 2024Allow410NoNo
18626447ELECTROLYTE AND ELECTROCHEMICAL DEVICEApril 2024August 2024Allow510NoNo
18626603ELECTROLYTE AND ELECTROCHEMICAL DEVICEApril 2024August 2024Allow510NoNo
18626867ELECTROLYTE AND ELECTROCHEMICAL DEVICEApril 2024July 2024Allow410NoNo
18626697ELECTROLYTE AND ELECTROCHEMICAL DEVICEApril 2024August 2024Allow410NoNo
18624900Modified Lithium Ion Negative Electrode Material, and Preparation Therefor and Use ThereofApril 2024May 2024Allow200NoNo

Appeals Overview

This analysis examines appeal outcomes and the strategic value of filing appeals for art-unit 1725.

Patent Trial and Appeal Board (PTAB) Decisions

Total PTAB Decisions
215
Examiner Affirmed
128
(59.5%)
Examiner Reversed
87
(40.5%)
Reversal Percentile
80.9%
Higher than average

What This Means

With a 40.5% 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
790
Allowed After Appeal Filing
285
(36.1%)
Not Allowed After Appeal Filing
505
(63.9%)
Filing Benefit Percentile
71.1%
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, 36.1% of applications that filed an appeal were subsequently allowed. This appeal filing benefit rate is above the USPTO average, suggesting that filing an appeal can be an effective strategy for prompting 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 is strategically valuable. The act of filing often prompts favorable reconsideration during the mandatory appeal conference.

Art Unit 1725 - Prosecution Statistics Summary

Executive Summary

Art Unit 1725 is part of Group 1720 in Technology Center 1700. This art unit has examined 17,266 patent applications in our dataset, with an overall allowance rate of 75.9%. Applications typically reach final disposition in approximately 28 months.

Comparative Analysis

Art Unit 1725's allowance rate of 75.9% 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 1725 receive an average of 1.76 office actions before reaching final disposition (in the 39% percentile). The median prosecution time is 28 months (in the 63% 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 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.