USPTO Art Unit 1727 Prosecution Statistics

Art Unit Information

Art Unit: 1727
Group: 1720
Tech Center: 1700
Total Cases: 10,219
Last Active: September 2025

Recent Applications

Detailed information about the 100 most recent patent applications.

Application NumberTitleFiling DateDisposal DateDispositionTime (months)Office ActionsRestrictionsInterviewAppeal
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
19326263PORTABLE POWER CASE WITH LITHIUM IRON PHOSPHATE BATTERYSeptember 2025December 2025Allow310NoNo
19287118PORTABLE POWER CASE WITH HEAT-RESISTANT MATERIALJuly 2025October 2025Allow310NoNo
19256208TOOL BATTERY PACKJuly 2025December 2025Allow520NoNo
19254021ELECTRODE SHEET, PREPARATION METHOD THEREFOR, BATTERY CELL, BATTERY, AND ELECTRIC DEVICEJune 2025August 2025Allow200NoNo
19237736SYSTEM FOR SUPPLYING POWER TO A PORTABLE BATTERY USING AT LEAST ONE SOLAR PANELJune 2025August 2025Allow210NoNo
19228398BATTERY ACTIVE MATERIAL LAYER WITH CONDUCTIVE ACTIVE MATERIAL PARTICLESJune 2025January 2026Allow710NoNo
19206435ANODE MATERIAL, PREPARATION METHOD THEREOF AND BATTERYMay 2025July 2025Allow200NoNo
19198648PERSONAL TACTICAL SYSTEM INCLUDING GARMENT, CAMERA, AND POWER DISTRIBUTION AND DATA HUBMay 2025August 2025Allow311YesNo
19196212PORTABLE POWER CASE WITH HEAT-RESISTANT MATERIALMay 2025July 2025Allow210NoNo
19196228WEARABLE AND REPLACEABLE POUCH OR SKIN FOR HOLDING A PORTABLE BATTERY PACKMay 2025August 2025Allow411NoNo
19187843LITHIUM-ION SECONDARY BATTERYApril 2025September 2025Allow510NoNo
19173754ELECTRODE AND ELECTROCHEMICAL APPARATUSApril 2025December 2025Allow920NoNo
19172750Lithium Secondary BatteryApril 2025January 2026Allow920YesYes
19092459SYSTEMS AND METHODS FOR MINIMIZING AND PREVENTING DENDRITE FORMATION IN ELECTROCHEMICAL CELLSMarch 2025September 2025Allow611NoNo
19081285MULTIPLE MORPHOLOGY COMPOSITE CATHODE MATERIALS PROVIDING HIGH ENERGY AND LONG CYCLE LIFE AND CELLS EMPLOYING THE SAMEMarch 2025June 2025Allow310YesNo
19073190RECHARGEABLE LITHIUM BATTERY AND MANUFACTURING METHOD THEREOFMarch 2025July 2025Allow410NoNo
19054631BATTERY WITH INTEGRATED SHOCK AND VIBRATION BARRIERFebruary 2025December 2025Allow1010NoNo
19054600BATTERY WITH INTEGRATED SHOCK AND VIBRATION BARRIERFebruary 2025December 2025Allow1010NoNo
19048203Secondary BatteryFebruary 2025August 2025Allow610YesNo
19048027BATTERY RETAINING DEVICEFebruary 2025August 2025Allow620YesNo
19038200SECONDARY BATTERY AND ELECTRIC APPARATUSJanuary 2025August 2025Allow610NoNo
19034462NEGATIVE CURRENT COLLECTOR, PREPARATION METHOD OF THE SAME, SODIUM SECONDARY BATTERY, AND ELECTRICAL DEVICEJanuary 2025May 2025Allow300NoNo
19032872METAL-CARBON DIOXIDE (CO2) BATTERY CELLJanuary 2025July 2025Allow610NoNo
19026589QUICK-RELEASE TAIL CAP SWITCH STRUCTUREJanuary 2025July 2025Allow610NoNo
19028391PORTABLE POWER CASE WITH LITHIUM IRON PHOSPHATE BATTERYJanuary 2025August 2025Allow710NoNo
19012784NANOSTRUCTURED MATERIALS FOR BATTERY APPLICATIONSJanuary 2025July 2025Allow730NoNo
19009844SOLID STATE BATTERY APPARATUSJanuary 2025November 2025Allow1010NoNo
19004350COMPOSITE DIAPHRAGMS FOR ZINC SECONDARY BATTERIES AND ZINC SECONDARY BATTERIESDecember 2024January 2026Allow1321NoNo
18878457BATTERY MODULE, AND BATTERY PACK AND ENERGY STORAGE SYSTEM INCLUDING THE SAMEDecember 2024April 2025Allow400NoNo
18990416Lithium Secondary BatteryDecember 2024February 2026Allow1430YesNo
18985372Lithium Secondary Battery Comprising Single Particle Positive Electrode Active MaterialDecember 2024January 2026Allow1330YesNo
18975739PORTABLE POWER CASE WITH HEAT-RESISTANT MATERIALDecember 2024March 2025Allow310YesNo
18972560SOLID STATE BATTERIES AND METHODS OF MAKING THEREOFDecember 2024June 2025Allow600NoNo
18871753ELECTROACTIVE COMPOSITE PARTICLESDecember 2024August 2025Allow810NoNo
18870387Composite Sodium Ferrous Sulfate Cathode Material, and Preparation Method and Application ThereofNovember 2024March 2026Allow1600NoNo
18957235ALUMINUM-AIR COMPOSITE BATTERY AND PREPARATION METHODNovember 2024January 2025Allow200NoNo
18955193AUTOMATIC MULTI-SURFACE JET PRINTING METHOD FOR POWER LITHIUM BATTERYNovember 2024June 2025Allow710NoNo
18948956RESIN COMPOSITION AND APPLICATION THEREOF, BINDER, ELECTRODE SLURRY, ELECTRODE PLATE, BATTERY, AND ELECTRICAL DEVICENovember 2024May 2025Allow610YesNo
18946564METHODS FOR IMPROVING CRITICAL CURRENT DENSITY IN A SULFIDE-BASED ALL-SOLID-STATE LITHIUM-ION BATTERYNovember 2024May 2025Allow1310NoNo
18942777BATTERY TRAYNovember 2024April 2025Allow510YesNo
18941209NEGATIVE ELECTRODE PLATE, SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK, AND ELECTRICAL DEVICENovember 2024February 2025Allow400NoNo
18914584Porous Electrochemically Active-Material Structures with Dispersed Inert ElementsOctober 2024November 2025Allow1321YesNo
18856433SELECTED PARTICLE SIZE DRY ELECTRODE FOR STORAGE DEVICESOctober 2024February 2025Allow400NoNo
18854779Negative Electrode for Lithium Secondary Battery, and Method for Manufacturing SameOctober 2024July 2025Allow1011YesNo
18904971BATTERY CONDITIONING SYSTEM AND METHODOctober 2024August 2025Allow1111YesNo
18853257Anode for Lithium Secondary Battery and Manufacturing Method ThereforOctober 2024December 2025Allow1521NoNo
18894895WEARABLE AND REPLACEABLE POUCH OR SKIN FOR HOLDING A PORTABLE BATTERY PACKSeptember 2024March 2025Allow610NoNo
18892708PREPARATION METHOD, APPARATUS, DEVICE AND MEDIUM FOR NO. 5 LITHIUM-ION BATTERYSeptember 2024July 2025Allow911YesNo
18883963BATTERY CELL, BATTERY, AND ELECTRIC APPARATUSSeptember 2024March 2025Allow610NoNo
18815334PERSONAL TACTICAL SYSTEM INCLUDING GARMENT, CAMERA, AND POWER DISTRIBUTION AND DATA HUBAugust 2024March 2025Allow611NoNo
18841176Anode for Lithium Secondary Battery and Method for Manufacturing SameAugust 2024March 2026Allow1921YesNo
18795604METAL ORGANIC FRAMEWORK-DERIVED CARBON AEROGEL, PREPARATION METHOD THEREOF AND APPLICATION IN LITHIUM ION BATTERIESAugust 2024September 2024Allow200NoNo
18792505BATTERY CELL, BATTERY, AND ELECTRICAL DEVICEAugust 2024September 2024Allow200NoNo
18833496Secondary BatteryJuly 2024November 2025Allow1610YesNo
18785356ELECTROLYTE AND ELECTROCHEMICAL DEVICE INCLUDING THE SAMEJuly 2024January 2025Allow610YesNo
18781399PREPARATION METHOD AND APPLICATION OF TITANIUM NITRIDE FIBER-ENHANCED QUASI-SOLID-STATE ELECTROLYTEJuly 2024November 2024Allow400NoNo
18777389ELECTROCHEMICAL CELLS WITH MULTIPLE SEPARATORS, AND METHODS OF PRODUCING THE SAMEJuly 2024June 2025Allow1121YesNo
18777403ELECTROCHEMICAL CELLS WITH MULTIPLE SEPARATORS, AND METHODS OF PRODUCING THE SAMEJuly 2024June 2025Allow1121NoNo
18777397ELECTROCHEMICAL CELLS WITH MULTIPLE SEPARATORS, AND METHODS OF PRODUCING THE SAMEJuly 2024June 2025Allow1121NoNo
18729864Layered Oxide Cathode Material and a Preparation Method Thereof, a Cathode Sheet, and a Sodium Ion BatteryJuly 2024November 2025Allow1600NoNo
18770656NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAMEJuly 2024May 2025Allow1010NoNo
18728149Magnetism Alignment Apparatus for Negative Electrodes and Method for Manufacturing Negative Electrodes Using SameJuly 2024January 2026Allow1901NoNo
18724930NEGATIVE ELECTRODE PLATE, A METHOD FOR MANUFACTURING THEREOF, AND A LITHIUM BATTERYJune 2024January 2025Allow710NoNo
18756152PROTECTIVE SULFIDE COATINGS ON SILVER ELECTRODES FOR ELECTROCHEMICAL DEVICESJune 2024March 2025Allow820NoNo
18756686Electrode for Lithium Secondary Battery, Method of Preparing the Same and Lithium Secondary Battery Including the SameJune 2024October 2025Allow1630YesNo
18754330BATTERY SYSTEMJune 2024November 2024Allow510NoNo
18724125GRAPHITE COMPOSITE NEGATIVE ELECTRODE MATERIAL, PREPARATION METHOD THEREFOR AND APPLICATION THEREOFJune 2024October 2024Allow400NoNo
18723838BATTERY MODULEJune 2024March 2026Abandon2120NoNo
18746845SYSTEMS AND METHODS FOR MINIMIZING AND PREVENTING DENDRITE FORMATION IN ELECTROCHEMICAL CELLSJune 2024May 2025Allow1130YesNo
18746065CATHODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING CATHODEJune 2024April 2025Allow1020NoNo
18744164BINDER, AND ELECTRODE AND LITHIUM SECONDARY BATTERY COMPRISING SAMEJune 2024December 2025Allow1820YesNo
18736855SILICON DOMINANT ANODES CONTAINING PYROLYZED CARBONJune 2024March 2025Allow910NoNo
18735538Rechargeable Energy-Storage Device Including Partially-Hydrolyzed Structural HydrogelJune 2024March 2025Allow910NoNo
18734727FUEL CELL POWER CONTROL SYSTEM AND METHODJune 2024February 2026Allow2010NoNo
18732136LITHIUM ION SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAMEJune 2024July 2025Allow1320NoNo
18731280POSITIVE ELECTRODE ACTIVE MATERIAL, POSITIVE ELECTRODE HAVING THE SAME AND LITHIUM SECONDARY BATTERYJune 2024December 2025Allow1820NoNo
18677050Positive Electrode Active Material for Secondary Battery, Method for Preparing the Same and Lithium Secondary Battery Comprising the SameMay 2024January 2026Allow2020YesNo
18713336Magnetism Alignment Apparatus for Negative Electrodes and Method for Manufacturing Negative Electrode Using SameMay 2024September 2024Allow400NoNo
18669551SECONDARY BATTERY, PROCESS FOR PREPARING THE SAME AND APPARATUS CONTAINING THE SECONDARY BATTERYMay 2024March 2025Allow1010NoNo
18668268POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR THE PREPARATION THEREOF, POSITIVE ELECTRODE PLATE, SECONDARY BATTERY AND ELECTRICAL DEVICE CONTAINING THE SAMEMay 2024December 2024Allow721YesNo
18666169ANODE ACTIVE MATERIAL COMPOSITION FOR LITHIUM SECONDARY BATTERY AND ANODE ELECTRODE AND LITHIUM SECONDARY BATTERY INCLUDING THE SAMEMay 2024January 2026Allow2040YesYes
18664564ANODE ACTIVE MATERIAL FOR ALL-SOLID-STATE BATTERYMay 2024September 2024Allow410YesNo
18660557DOPED-ZIRCONIA CERAMIC RIBBONMay 2024October 2024Allow500NoNo
18659278METHOD OF PRODUCING CATHODE ACTIVE MATERIAL, AND METHOD OF PRODUCING LITHIUM ION BATTERYMay 2024November 2025Allow1820YesNo
18657806SEPARATOR AND PREPARATION METHOD THEREFOR, BATTERY, AND ELECTRIC APPARATUSMay 2024January 2026Allow2000NoNo
18656723SMART COOLING SYSTEM FOR BATTERY ENERGY STORAGE SYSTEMMay 2024August 2024Allow300NoNo
18653972ELECTRODE PLATE, ELECTRODE ASSEMBLY, BATTERY CELL, BATTERY, AND ELECTRIC DEVICEMay 2024August 2024Allow300YesNo
18650734METHODS FOR IMPROVING CRITICAL CURRENT DENSITY IN A SULFIDE-BASED ALL-SOLID-STATE LITHIUM-ION BATTERYApril 2024July 2024Allow200NoNo
18648585MULTIPLE MORPHOLOGY COMPOSITE CATHODE MATERIALS PROVIDING HIGH ENERGY AND LONG CYCLE LIFE AND CELLS EMPLOYING THE SAMEApril 2024March 2025Allow1021YesNo
18644161BATTERY AND ELECTRICITY CONSUMING APPARATUSApril 2024December 2024Allow820NoNo
18644248ENERGY STORAGE DEVICEApril 2024June 2024Allow200NoNo
18645002BATTERY ASSEMBLYApril 2024October 2024Allow610NoNo
18642565BUSBAR FOR A BATTERY MODULE AND BATTERY MODULEApril 2024July 2025Allow1510NoNo
18638524ACTIVE, DYNAMIC, AND REVERSIBLE SHAPE MEMORY ALLOY FILM THERMO-MECHANICAL SAFETY SWITCHESApril 2024September 2025Allow1731NoNo
18637357DEVICE FOR SECURING A REPLACEABLE VEHICLE BATTERYApril 2024April 2025Allow1200NoNo
18634555SEPARATOR HAVING NO SEPARATOR SUBSTRATE AND ELECTROCHEMICAL DEVICE INCLUDING THE SAMEApril 2024March 2025Allow1210YesNo
18634462BATTERY PACKApril 2024July 2025Allow1510NoNo
18633523ANODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAMEApril 2024June 2025Allow1421NoNo

Appeals Overview

This analysis examines appeal outcomes and the strategic value of filing appeals for art-unit 1727.

Patent Trial and Appeal Board (PTAB) Decisions

Total PTAB Decisions
281
Examiner Affirmed
184
(65.5%)
Examiner Reversed
97
(34.5%)
Reversal Percentile
61.5%
Higher than average

What This Means

With a 34.5% 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
746
Allowed After Appeal Filing
207
(27.7%)
Not Allowed After Appeal Filing
539
(72.3%)
Filing Benefit Percentile
25.8%
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, 27.7% 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.

Art Unit 1727 - Prosecution Statistics Summary

Executive Summary

Art Unit 1727 is part of Group 1720 in Technology Center 1700. This art unit has examined 10,219 patent applications in our dataset, with an overall allowance rate of 68.0%. Applications typically reach final disposition in approximately 37 months.

Comparative Analysis

Art Unit 1727's allowance rate of 68.0% places it in the 27% 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 1727 receive an average of 2.39 office actions before reaching final disposition (in the 83% percentile). The median prosecution time is 37 months (in the 22% 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 multiple rounds of prosecution.
  • The median prosecution time is longer 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.