USPTO Art Unit 1751 Prosecution Statistics

Recent Applications

Detailed information about the 100 most recent patent applications.

Application NumberTitleFiling DateDisposal DateDispositionTime (months)Office ActionsRestrictionsInterviewAppeal
18868233Negative Electrode for Lithium Secondary Battery and Method for Manufacturing SameNovember 2024March 2025Allow400NoNo
18933920BATTERY CELL, BATTERY, AND ELECTRICAL DEVICEOctober 2024January 2025Allow300NoNo
18860021Method for Preparing Negative Electrode Sheet of Nickel-Metal Hydride BatteryOctober 2024February 2025Allow400NoNo
18795323SUBSTRATES, OXYGEN ELECTRODES AND ELECTROCHEMICAL DEVICESAugust 2024June 2025Abandon1011NoNo
18779276Method For Manufacturing A Co-Axial Glass-To-Metal Seal Feedthrough For A Case-Neutral Electrochemical CellJuly 2024September 2024Allow200YesNo
18730216Negative Electrode for Lithium Secondary Battery and Lithium Secondary Battery Comprising SameJuly 2024May 2025Allow1010YesNo
18719377Negative Electrode for Lithium Secondary Battery, and Magnetic Alignment Device for Negative Electrode for SameJune 2024March 2025Allow901NoNo
18714927Magnetic Alignment Device for Anode, and Anode Manufacturing Method Using SameMay 2024February 2025Allow810NoNo
18640456ADAPTABLE PROCESSES AND SYSTEMS FOR PURIFYING CO-PRECIPITATED OR INDEPENDENT STREAMS OF MANGANESE, NICKEL, AND COBALT FROM LITHIUM-ION BATTERY WASTE STREAMSApril 2024October 2024Allow610YesNo
18639273ENERGY-STORAGE DEVICE, ELECTRICITY-CONSUMPTION SYSTEM, AND ENERGY-STORAGE SYSTEMApril 2024July 2024Allow300YesNo
18690987ANODE MATERIAL AND BATTERYMarch 2024April 2025Allow1300NoNo
18440047CATHODE ACTIVE MATERIAL AND FLUORIDE ION BATTERYFebruary 2024March 2025Allow1310NoNo
18437703Co-Axial Glass-To-Metal Seal Feedthrough For A Case-Neutral Electrochemical CellFebruary 2024August 2024Allow611NoNo
18395016CURRENT COLLECTING COMPONENT, ENERGY STORAGE DEVICE AND POWER CONSUMING DEVICEDecember 2023May 2024Allow500NoNo
18529843BATTERY CELL INCLUDING ELECTROLYTE ION CONCENTRATION MEASUREMENT UNIT AND METHOD FOR MEASURING ELECTROLYTE CONCENTRATION USING SAMEDecember 2023December 2024Allow1200NoNo
18388369BATTERY UTILIZING PRINTABLE LITHIUMNovember 2023September 2024Allow1000NoNo
18380679POSITIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY CELL, AND NON-AQUEOUS ELECTROLYTE SECONDARY CELLOctober 2023July 2024Allow800NoNo
18286708BATTERY, CURRENT COLLECTOR PLATE APPLIED THERETO, AND BATTERY PACK AND VEHICLE COMPRISING THE SAMEOctober 2023April 2025Allow1801YesNo
18454412CLOSED-LOOP LEAD ACID BATTERY RECYCLING PROCESS AND PRODUCTAugust 2023May 2025Allow2120YesNo
18448911PALLET AND BATTERY RESTRAINT APPARATUSAugust 2023February 2024Allow610YesNo
18352092ELECTROCHEMICAL CELL SYSTEM CONTAINING AIR BAFFLE ASSEMBLY WITH AIR BYPASS MITIGATION FEATURES AND METHOD OF OPERATING THEREOFJuly 2023May 2024Allow1010NoNo
18220086LEAD ACID BATTERY SEPARATORS, BATTERIES, AND RELATED METHODSJuly 2023May 2025Abandon2211NoNo
18334801METHOD FOR REDUCING WASTE BY RECOVERING TRANSITION METALS FROM LITHIUM SECONDARY BATTERYJune 2023June 2025Allow2420NoNo
18265860METHOD FOR SAFE PYROLYSIS AND IMPURITY REMOVAL OF WASTE LITHIUM BATTERY AND APPLICATIONJune 2023November 2024Abandon1720NoNo
18206613CARBON-NEUTRAL PROCESS FOR GENERATING ELECTRICITYJune 2023April 2025Allow2300NoNo
18329558BATTERY PACK BUS SYSTEMSJune 2023October 2024Abandon1721YesNo
18319931ANODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAMEMay 2023November 2023Allow610NoNo
18136511SECONDARY BATTERY AND ELECTRONIC DEVICEApril 2023March 2025Allow2310NoNo
18299643CATHODE FOR LITHIUM SECONDARY BATTERY, LITHIUM SECONDARY BATTERY INCLUDING THE SAME AND METHOD OF FABRICATING LITHIUM SECONDARY BATTERYApril 2023January 2024Allow911NoNo
18297845SUPPORT MEMBER FOR BATTERY PACK TOP HOUSINGApril 2023January 2025Allow2210NoNo
18194508NEGATIVE ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAMEMarch 2023January 2024Allow1011NoNo
18188798BATTERY MODULE FOR ELECTRICALLY-DRIVEN AIRCRAFTMarch 2023November 2023Allow710YesNo
18124327Secondary BatteryMarch 2023June 2025Abandon2720NoYes
18181744BATTERY MODULEMarch 2023May 2024Allow1400YesNo
18114833POSITIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERIES, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERYFebruary 2023June 2024Allow1600NoNo
18173295NEGATIVE ACTIVE MATERIAL, ELECTROCHEMICAL DEVICE THAT USES SAME, AND ELECTRONIC DEVICEFebruary 2023December 2023Allow1020YesNo
18098285REPLENISHED NEGATIVE ELECTRODES FOR SECONDARY BATTERIESJanuary 2023February 2024Allow1300NoNo
18077701BATTERY ENCLOSURE AND METHOD OF MANUFACTURING A BATTERY ENCLOSUREDecember 2022March 2025Allow2711YesNo
18077050SULFIDE-BASED SOLID ELECTROLYTEDecember 2022June 2025Allow3000NoNo
18061424BRANCHED ANODES FOR MICROBIAL FUEL CELLSDecember 2022May 2024Allow1701NoNo
18073884NEGATIVE ACTIVE MATERIAL, ELECTROCHEMICAL DEVICE THAT USES SAME, AND ELECTRONIC DEVICEDecember 2022December 2023Allow1220NoNo
18058979CATALYST FOR FUEL CELLS AND METHODS OF PREPARING THE SAMENovember 2022June 2025Allow3100NoNo
18058418POLYMER ELECTROLYTE FOR A SOLID STATE BATTERYNovember 2022November 2024Allow2440YesNo
17991176BUS BAR LINK FOR BATTERY CELL INTERCONNECTIONS IN A BATTERY MODULENovember 2022June 2024Allow1911NoNo
17990747BATTERY PACK AND VEHICLENovember 2022October 2024Abandon2321NoNo
17988242BATTERY, APPARATUS USING BATTERY, AND PREPARATION METHOD AND PREPARATION DEVICE OF BATTERYNovember 2022May 2024Allow1821YesNo
18054698BATTERY, APPARATUS USING BATTERY, AND PREPARATION METHOD AND PREPARATION DEVICE OF BATTERYNovember 2022July 2024Allow2021YesNo
17983190CELL MODULE ASSEMBLIES AND METHODS OF MANUFACTURING CELL MODULE ASSEMBLIESNovember 2022February 2025Allow2711NoNo
17981536BATTERY, POWER CONSUMPTION DEVICE, AND METHOD AND DEVICE FOR PRODUCING BATTERYNovember 2022August 2023Allow911YesNo
17981325ELECTROLYTE, SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK AND POWER CONSUMPTION APPARATUSNovember 2022June 2025Abandon3120NoNo
17980813SUBSTRATE FOR SEPARATOR OF ELECTROCHEMICAL DEVICE, SEPARATOR INCLUDING SAME, AND METHOD OF FORMING BATTERY CELL SEPARATORNovember 2022March 2025Allow2831YesNo
18052690FUEL CELL MANIFOLD HAVING AN EMBEDDED DIELECTRIC LAYER AND METHODS OF MAKING THEREOFNovember 2022May 2023Allow710YesNo
17922833Positive Electrode and Lithium Secondary Battery Including the SameNovember 2022July 2024Allow2010YesNo
18051519SILICON-OXYGEN COMPOUND, SECONDARY BATTERY USING IT, AND RELATED BATTERY MODULE, BATTERY PACK AND DEVICENovember 2022May 2025Allow3130NoNo
17968799FIXING ASSEMBLY FOR BATTERY MODULE AND BATTERY PACKOctober 2022March 2025Allow2940NoNo
17967720ENERGY STORAGE POWER SUPPLYOctober 2022August 2023Allow1010NoNo
17965272BATTERY BOX AND BATTERY PACKOctober 2022August 2023Allow1011YesNo
17963140CURRENT COLLECTOR AND PREPARATION METHOD THEREOF, SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK, AND ELECTRIC APPARATUSOctober 2022May 2023Allow700YesNo
17961831FLOW BATTERIES WITH INSOLUBLE POLYMER SUPPORTED REDOX ACTIVE MATERIALSOctober 2022March 2025Allow2920NoNo
17938718FUEL CELL SYSTEMS AND METHODS WITH IMPROVED FUEL UTILIZATIONOctober 2022May 2024Allow1920YesNo
17936643COOLING MULTIPLE PARALLEL HYDROGEN FUEL CELL STACKSSeptember 2022July 2023Allow911YesNo
17950978SEPARATOR, PREPARATION METHOD THEREFOR AND RELATED SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK AND DEVICESeptember 2022January 2025Allow2860YesNo
17931586INTEGRALLY FORMED TERMINAL STRUCTURE FOR BATTERY CELLSeptember 2022October 2024Abandon2640YesNo
17942029SEPARATOR, SECONDARY BATTERY COMPRISING SAME AND RELATED BATTERY MODULE, BATTERY PACK AND DEVICESeptember 2022January 2025Allow2960NoNo
17898768BATTERY PACK AND ELECTRICAL CONSUMERAugust 2022July 2023Allow1110NoNo
17892621BATTERY MODULE AND MANUFACTURING METHOD AND DEVICE THEREOF, BATTERY PACK, AND POWER CONSUMPTION APPARATUSAugust 2022May 2023Allow911NoNo
17820413CORE-SHELL COMPOSITES FOR ELECTRODES IN METAL-ION BATTERIESAugust 2022August 2023Allow1201NoNo
17889422BATTERY MODULE, BATTERY PACK, ELECTRIC APPARATUS, AND METHOD AND DEVICE FOR MANUFACTURING BATTERY MODULEAugust 2022June 2023Allow1020NoNo
17881993CONSERVATION OF ELECTRONIC COMMUNICATIONS RESOURCES VIA SELECTIVE PUBLICATION OF SUBSTANTIALLY CONTINUOUSLY UPDATED DATA OVER A COMMUNICATIONS NETWORKAugust 2022June 2023Allow1110NoNo
17876532BATTERY AND ELECTRODE BODY HOLDERJuly 2022September 2024Allow2621YesNo
17815216ELECTRODE ASSEMBLY, BATTERY CELL, BATTERY, ELECTRICAL APPARATUS, AND MANUFACTURING METHOD AND DEVICEJuly 2022April 2024Allow2121NoNo
17815427POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAMEJuly 2022November 2023Allow1610NoNo
17869459ELECTRICITY PRODUCTION FACILITY COMPRISING A FUEL CELL AND A CHEMICAL REACTOR SUITABLE FOR PRODUCING FUEL FOR SAID FUEL CELL USING HEAT RELEASED BY A BATTERY ASSOCIATED PROCESSJuly 2022February 2025Abandon3121NoNo
17866509BINDER AND PREPARATION METHOD THEREOF, SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK AND ELECTRICAL DEVICEJuly 2022February 2023Allow700NoNo
17860397METHOD FOR CONTROLLING COMPENSATION FOR AIR FLOW RATE DURING DISCHARGE OF HYDROGEN OFF-GAS IN FUEL CELL SYSTEM AND APPARATUS USING THE SAMEJuly 2022June 2025Allow3600YesNo
17858046BATTERY CONTAINER AND BATTERY PACKJuly 2022June 2025Abandon3631NoNo
17810610SECONDARY BATTERY AND PREPARATION METHOD THEREOF, AND BATTERY MODULE, BATTERY PACK, AND APPARATUS CONTAINING SUCH SECONDARY BATTERYJuly 2022February 2023Allow711NoNo
17856736METHOD FOR PREPARING FUEL CELL CATALYST ELECTRODE AND FUEL CELL CATALYST ELECTRODE PREPARED THEREFROMJuly 2022September 2023Allow1510NoNo
17856525DETECTING ELECTROLYTE ON CIRCUIT BOARDSJuly 2022June 2025Allow3500NoNo
17809251HIGH ENERGY BATTERIES AND METHODS OF MAKING THE SAMEJune 2022April 2024Allow2230NoNo
17808326LITHIUM METAL ANODES AND METHOD OF MAKING SAMEJune 2022July 2024Allow2521YesNo
17788176BATTERY MODULE HAVING STRUCTURE CAPABLE OF RAPID COOLING, AND ESS COMPRISING SAMEJune 2022September 2024Allow2700NoNo
17787257LOW-COBALT AND COBALT-FREE, HIGH-ENERGY CATHODE MATERIALS FOR LITHIUM BATTERIESJune 2022January 2025Abandon3140YesNo
17840495SINGLE CELL FAULT TOLERANT BATTERY SYSTEM ARCHITECTUREJune 2022October 2024Allow2810NoNo
17840475SINGLE CELL FAULT TOLERANT BATTERY SYSTEM ARCHITECTUREJune 2022April 2024Allow2200NoNo
17806616FUEL CELL COOLING SYSTEMJune 2022March 2025Allow3300NoNo
17833418VENTING OF SEALED FUEL CELL ENCLOSUREJune 2022April 2025Allow3410YesNo
17804684AIR-COOLED FUEL CELL SYSTEMMay 2022November 2023Allow1710NoNo
17747369ELECTRODE ASSEMBLY AND SECONDARY BATTERY COMPRISING THE SAMEMay 2022February 2025Allow3350NoNo
17746390Shell reinforcing structure for fuel cell humidifierMay 2022April 2023Allow1100NoNo
17774949FUEL CELL SYSTEMMay 2022February 2024Allow2120NoNo
17736159BATTERY PACK AND VEHICLEMay 2022July 2024Allow2720NoNo
17734104Porous Polymer Lithium CathodeMay 2022March 2023Allow1010NoNo
17728420INTEGRATED FUEL CELL CONTROL SYSTEM AND CONTROL METHOD USING THE SAMEApril 2022April 2025Abandon3630NoNo
17771236Battery Pack and Device Including the SameApril 2022October 2024Allow3000NoNo
17771199BATTERY MODULE, BATTERY PACK AND VEHICLEApril 2022April 2025Allow3510YesNo
17724135Venting Unit and Housing, in Particular Battery HousingApril 2022June 2025Abandon3821NoNo
17722797SINGLE FUEL CELL, FUEL CELL MODULE, POWER GENERATION SYSTEM, HIGH-TEMPERATURE STEAM ELECTROLYSIS CELL AND METHODS FOR MANUFACTURING THE SAMEApril 2022May 2023Allow1310NoNo
17719806Secondary BatteryApril 2022June 2025Allow3830YesNo
17719251BIPOLAR PLATE FOR FUEL CELLS AND THE METHOD OF FORMING THE SAMEApril 2022June 2024Abandon2620NoNo

Appeals Overview

This analysis examines appeal outcomes and the strategic value of filing appeals for art-unit 1751.

Patent Trial and Appeal Board (PTAB) Decisions

Total PTAB Decisions
51
Examiner Affirmed
35
(68.6%)
Examiner Reversed
16
(31.4%)
Reversal Percentile
45.3%
Lower than average

What This Means

With a 31.4% reversal rate, the PTAB reverses the examiner's rejections in a meaningful percentage of cases. This reversal rate is below the USPTO average, indicating that appeals face more challenges here than typical.

Strategic Value of Filing an Appeal

Total Appeal Filings
358
Allowed After Appeal Filing
105
(29.3%)
Not Allowed After Appeal Filing
253
(70.7%)
Filing Benefit Percentile
29.6%
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, 29.3% 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 face challenges. Ensure your case has strong merit before committing to full Board review.

Filing a Notice of Appeal shows limited benefit. Consider other strategies like interviews or amendments before appealing.

Art Unit 1751 - Prosecution Statistics Summary

Executive Summary

Art Unit 1751 is part of Group 1750 in Technology Center 1700. This art unit has examined 5,579 patent applications in our dataset, with an overall allowance rate of 69.9%. Applications typically reach final disposition in approximately 26 months.

Comparative Analysis

Art Unit 1751's allowance rate of 69.9% places it in the 28% 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 1751 receive an average of 1.44 office actions before reaching final disposition (in the 21% percentile). The median prosecution time is 26 months (in the 67% 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.