USPTO Art Unit 1794 Prosecution Statistics

Recent Applications

Detailed information about the 100 most recent patent applications.

Application NumberTitleFiling DateDisposal DateDispositionTime (months)Office ActionsRestrictionsInterviewAppeal
18998221METHOD OF ELECTROLYSING HYDROGEN BROMIDE AFTER H2SO4 SYNTHESISJanuary 2025June 2025Allow500NoNo
19014165DYNAMIC VACUUM SEAL SYSTEM FOR PHYSICAL VAPOR DEPOSITION SPUTTER APPLICATIONSJanuary 2025March 2025Allow200NoNo
18870256ELECTRODE FOR NITRATE REDUCTIONNovember 2024June 2025Allow601NoNo
18959790ELECTROCATALYTIC WATER SPLITTING USING a-Ag2WO4@Mn3O4 NANOCOMPOSITESNovember 2024January 2025Allow200NoNo
18945649SUBSTRATE PROCESSING APPARATUSNovember 2024June 2025Allow700NoNo
18864297A CO2RR-OOR ELECTROLYSER SYSTEM AND RELATED PROCESS FOR FACILITATING THE CAPTURE AND CONVERSION OF CO2 IN GAS MIXTURE STREAMSNovember 2024February 2025Allow300YesNo
18923813PVD TARGET AND USE THEREOFOctober 2024March 2025Allow510NoNo
18915728SYSTEM FOR STERILIZING EQUIPMENT, ASSOCIATED METHOD, AND CHLORINE DIOXIDE GAS GENERATING DEVICE FOR USE WITH SAMEOctober 2024March 2025Allow511NoNo
18819484Compressible Flow Distribution System for Electrolyzer PlatesAugust 2024February 2025Allow610NoNo
18811486P-TYPE GALLIUM OXIDE FILM, AND PREPARATION METHOD AND APPLICATION THEREOFAugust 2024March 2025Allow710NoNo
18833935LOW-FRICTION LONG-LIFE ULTRA-LATTICE COMPOSITE COATING AS WELL AS PREPARATION METHOD AND USE THEREOFJuly 2024March 2025Allow710NoNo
18778577HYBRID ELECTROCATALYST LAYERS FOR MEMBRANE-BASED ELECTROCHEMICAL DEVICES AND PROCESSES FOR MAKING THE SAMEJuly 2024February 2025Allow710NoNo
18774819ACTIVELY COOLED ANODE FOR SPUTTERING PROCESSESJuly 2024July 2025Allow1210NoNo
18723935ELECTROCHEMICAL CARBON OXIDES REDUCTION TO ETHYLENEJune 2024November 2024Allow400NoNo
18723895METHOD FOR DIRECTLY PREPARING TRIVALENT CHROMIUM COMPOUND BY ELECTROCHEMICAL OXIDATION OF FERROCHROMEJune 2024March 2025Allow800NoNo
18723891METHOD AND DEVICE FOR PREPARING TRIVALENT CHROMIUM SALT BY ELECTROCHEMICAL OXIDATION OF FERROCHROME IN ACIDIC SYSTEMJune 2024April 2025Allow910NoNo
18752780PVD APPARATUS AND METHODJune 2024June 2025Allow1200NoNo
18722727Method for Producing a Substoichiometric Layer of Titanium, Vanadium, Tungsten or Molybdenum OxideJune 2024June 2025Allow1210NoNo
18750807METHODS AND APPARATUS FOR EXTRACTING METALS FROM MATERIALSJune 2024May 2025Allow1121NoNo
18720108An Alkaline Electrolyzer ArrangementJune 2024February 2025Allow810YesNo
18673987MOLTEN OXIDE ELECTROLYSIS METHODS AND RELATED SYSTEMSMay 2024March 2025Allow1011YesNo
18711644SYSTEM, ELECTRODE AND METHOD FOR EFFICIENT HYDROGEN GENERATION FROM WATERMay 2024January 2025Allow820NoNo
18662476Advanced Beneficiation Process for Beneficiation, Mobilization, Extraction, Separation, and Concentration of Mineralogical ResourcesMay 2024June 2025Allow1310NoNo
18658455WAFER PROCESSING APPARATUS AND WAFER PROCESSING METHODMay 2024June 2025Allow1320NoNo
18654771SOLID OXIDE ELECTROLYZER SYSTEM INCLUDING AIR BYPASSMay 2024November 2024Allow701NoNo
18642828METHOD OF MANUFACTURING SPINAL CAGE FOR IMPROVING BONE UNION RATEApril 2024January 2025Allow910NoNo
18704041Treatment of Metal OresApril 2024November 2024Allow710NoNo
18701701An Oxygen Evolution Reaction Electrode Catalyst Assembly Comprising Dendritic Nickel Foam, Its Use and a Method to Produce Said AssemblyApril 2024February 2025Allow1011YesNo
18634733MANUFACTURING METHOD AND APPARATUS FOR ELECTRONIC COMPONENTApril 2024April 2025Allow1201NoNo
18629457SPUTTERING APPARATUSApril 2024November 2024Allow700NoNo
18698353SPUTTERING TARGET, METHOD FOR PRODUCING SAME, AND METHOD FOR PRODUCING SPUTTERING FILM USING SPUTTERING TARGETApril 2024June 2025Allow1510NoNo
18623692METHOD FOR PRODUCING METAL CARBIDE, METHOD FOR PRODUCING HYDROCARBON, AND METAL CARBIDE COMPOSITIONApril 2024May 2025Allow1400NoNo
18617573PVD SYSTEM AND COLLIMATORMarch 2024May 2025Allow1420NoNo
18615905ANIONIC ELECTROCHEMICAL COMPRESSOR AND REFRIGERATION SYSTEM EMPLOYING SAMEMarch 2024May 2025Allow1310NoNo
18612641FILM FORMING APPARATUSMarch 2024May 2025Allow1300NoNo
18611678PREPARATION METHOD FOR TUNGSTEN SULFIDE SOLID LUBRICATING FILM BASED ON HIGH POWER IMPULSE MAGNETRON SPUTTERINGMarch 2024March 2025Allow1210NoNo
18598841ELECTROCHEMICAL HYDROGEN PUMPMarch 2024November 2024Allow810NoNo
18592870SEAWATER ELECTROLYSIS ENABLES MG(OH)2 PRODUCTION AND CO2 MINERALIZATIONMarch 2024April 2025Allow1410NoNo
18686596MITIGATION OF ELECTRIC SHORT CIRCUIT IN A POLYMER ELECTROLYTE MEMBRANE WATER ELECTROLYZERFebruary 2024November 2024Allow910NoNo
18584503DIRECT AIR CAPTURE OF CARBON DIOXIDEFebruary 2024September 2024Allow711YesNo
18582903Coated Electroneutral Porous Separators for Oxocarbon ElectrolyzersFebruary 2024December 2024Allow1010NoNo
18682253A METHOD FOR PATTERNING A SUBSTRATE, A METHOD FOR FORMING A MICROSTRUCTURE ON A SUBSTRATE, AND A METHOD FOR FABRICATING A FLUIDIC DEVICEFebruary 2024March 2025Allow1310NoNo
18435175CALIBRATION JIG AND CALIBRATION METHODFebruary 2024October 2024Allow800NoNo
18430398SUBSTRATE PROCESSING MODULE AND METHOD OF MOVING A WORKPIECEFebruary 2024March 2025Allow1410NoNo
18429054OXYGEN-SELECTIVE ANODESJanuary 2024January 2025Allow1221NoNo
18414020AQUEOUS ELECTROPLATING BATHJanuary 2024March 2025Allow1411YesNo
18411478CHLORINE DIOXIDE GAS GENERATING DEVICE AND ASSOCIATED DISPENSING CONTAINERJanuary 2024July 2024Allow610NoNo
18579234ELECTROCHEMICAL FLUIDIC VALVE AND DEVICES CONTAINING THE SAMEJanuary 2024December 2024Allow1100NoNo
18410527METHOD FOR MINING RARE EARTH ORE BY ELECTRIFICATION AND LEACHING AGENT FOR MINING RARE EARTH ORE BY ELECTRIFICATIONJanuary 2024October 2024Allow901NoNo
18395422CHEMICAL REACTION DEVICES INVOLVING ACID AND/OR BASE, AND RELATED SYSTEMS AND METHODSDecember 2023November 2024Allow1111YesNo
18395403CHEMICAL REACTION DEVICES INVOLVING ACID AND/OR BASE, AND RELATED SYSTEMS AND METHODSDecember 2023June 2025Allow1810NoNo
18543181SYSTEMS AND METHODS FOR FORMING NITROGEN-BASED COMPOUNDSDecember 2023April 2025Allow1610NoNo
18536612METHODS AND APPARATUS FOR PHYSICAL VAPOR DEPOSITION (PVD) DIELECTRIC DEPOSITIONDecember 2023June 2025Allow1820YesNo
18536959MATERIAL COMPONENTS PROTECTION AGAINST THE CORROSIVE ACTION CRYOLITE MELTS IN ALUMINIUM REDUCTION CELLSDecember 2023March 2025Allow1510YesNo
18535774CYLINDRICAL CATHODE AND CHAMBER USING SAME FOR SPUTTERINGDecember 2023February 2025Allow1410NoNo
18532655SYSTEM FOR MANAGING FUEL GENERATIONDecember 2023April 2025Abandon1610NoNo
18519586FILM FORMATION METHOD AND FILM FORMATION APPARATUSNovember 2023May 2025Allow1720NoNo
18518525GENERATION OF STRUCTURALLY ALTERED GAS MOLECULES FROM WATER AND APPLICATION THEREOFNovember 2023May 2024Allow520NoNo
18517216ELECTROPLATING SOLUTION FOR INDIUM-BISMUTH ALLOY FOR LOW-TEMPERATURE SOLDER WITH IMPROVED BISMUTH SUBSTITUTION PREVENTION PERFORMANCENovember 2023April 2024Allow510NoNo
18516724ENERGY RECLAMATION AND CARBON-NEUTRAL SYSTEM FOR ULTRA-EFFICIENT EV BATTERY RECYCLINGNovember 2023June 2024Allow710NoNo
18513313PERMEANCE MAGNETIC ASSEMBLYNovember 2023September 2024Allow1010NoNo
18502409CONTROLLING PLATING ELECTROLYTE CONCENTRATION ON AN ELECTROCHEMICAL PLATING APPARATUSNovember 2023April 2025Allow1710NoNo
18496161METAL PART FOR PROCESS CHAMBER AND METHOD OF FORMING THIN FILM LAYER OF METAL PART FOR PROCESS CHAMBEROctober 2023June 2025Abandon2020NoNo
18384430POTASSIUM SODIUM NIOBATE SPUTTERING TARGET AND PRODUCTION METHOD THEREOFOctober 2023October 2024Allow1210NoNo
18492514ACID MIST SUPPRESSION IN COPPER ELECTROWINNINGOctober 2023June 2024Allow811NoNo
18491096Durable, Optically Transparent, and Superhydrophobic CoatingOctober 2023March 2025Allow1720YesNo
18287318MAGNETRON SPUTTER DEVICEOctober 2023December 2024Allow1410NoNo
18555415Carbon Dioxide Gas-Phase Reduction Device And Carbon Dioxide Gas-Phase Reduction MethodOctober 2023February 2025Allow1600NoNo
18484808DEPOSITION APPARATUSOctober 2023March 2025Allow1720YesNo
18554754SPUTTERING APPARATUS FOR COATING OF 3D-OBJECTSOctober 2023December 2024Allow1410NoNo
18376783ELECTRICAL POWER GENERATION USING STRUCTURALLY ALTERED GAS MOLECULESOctober 2023March 2024Allow511NoNo
18376790GENERATION OF STRUCTURALLY ALTERED GAS MOLECULES FROM WATER AND APPLICATION THEREOFOctober 2023March 2024Allow621YesNo
18376316SULFUR DIOXIDE DEPOLARIZED ELECTROLYSIS AND ELECTROLYZER THEREFOREOctober 2023June 2025Abandon2030NoNo
18375116ENVIRONMENT CONTROL SYSTEM UTILIZING AN ELECTROCHEMICAL CELLSeptember 2023August 2024Allow1110NoNo
18477060FILM FORMING APPARATUS AND FILM FORMING METHODSeptember 2023April 2025Allow1930NoNo
18475237NON-ENZYMATIC ELECTROCHEMICAL SENSOR FOR MEASURING ANALYTESSeptember 2023October 2024Allow1310NoNo
18372302GOLD ELECTROPLATING SOLUTIONSeptember 2023August 2024Allow1100NoNo
18473674APPARATUS AND METHOD FOR PLASMA SYNTHESIS OF GRAPHITIC PRODUCTS INCLUDING GRAPHENESeptember 2023November 2024Allow1410NoNo
18283593ELECTRODE AND METHOD OF PRODUCING THE ELECTRODESeptember 2023March 2025Allow1810NoNo
18472556DEPOSITION APPARATUS, DEPOSITION TARGET STRUCTURE, AND METHODSeptember 2023October 2024Allow1310NoNo
18370625LI RECOVERY PROCESSES AND ONSITE CHEMICAL PRODUCTION FOR LI RECOVERY PROCESSESSeptember 2023April 2025Allow1911NoNo
18470075ELECTROCHEMICAL-DEPOSITION SYSTEM, APPARATUS, AND METHOD USING OPTICALLY-CONTROLLED DEPOSITION ELECTRODESSeptember 2023November 2024Allow1411NoNo
18469876ELECTROCHEMICAL REACTION DEVICESeptember 2023December 2024Allow1410NoNo
18282661COVERS FOR ELECTRONIC DEVICESSeptember 2023July 2024Allow1000NoNo
18550784Platinum ElectrolyteSeptember 2023February 2025Allow1710NoNo
18550629SYSTEM AND METHOD FOR CO2 CAPTURE AND ELECTROREGENERATION AND SYNCHRONOUS CONVERSIONSeptember 2023April 2024Allow710NoNo
18550400ELECTRODE MATERIAL, MEMBRANE ELECTRODE ASSEMBLY, CO2 ELECTROLYSIS DEVICE, AND METHOD FOR PRODUCING CO2 ELECTROLYSIS PRODUCTSeptember 2023June 2025Allow2120YesNo
18466391NICKEL ELECTROPLATING COMPOSITIONS FOR ROUGH NICKELSeptember 2023May 2025Allow2010NoNo
18463776SYSTEMS AND METHODS FOR FEEDING SOLID MATERIAL AND A GAS INTO AN ELECTROLYTIC CELLSeptember 2023March 2025Allow1821YesNo
18463495SYSTEMS AND METHODS FOR RECOVERY OF SUBSTANCES FROM MOLTEN SALT ELECTROLYSISSeptember 2023March 2025Allow1921YesNo
18280784DISTRIBUTION SYSTEM FOR A PROCESS FLUID FOR CHEMICAL AND/OR ELECTROLYTIC SURFACE TREATMENT OF A SUBSTRATESeptember 2023April 2025Allow1920YesNo
18459506BI-PHASE (SCOTT-T) TRANSFORMER DOUBLE VOLTED AC ELECTROSTATIC COALESCERSeptember 2023January 2025Allow1720NoNo
18460186PERFORATED MEMBRANES FOR THE EFFICIENT CONVERSION OF CARBON MONOXIDE TO ORGANIC COMPOUNDSSeptember 2023March 2025Allow1911NoNo
18459966METAL-COATED ARTICLES COMPRISING A TRANSITION METAL REGION AND A PLATINUM-GROUP METAL REGION AND RELATED METHODSSeptember 2023March 2025Allow1911NoNo
18460317ELECTROLYSER AND ENERGY SYSTEMSeptember 2023May 2025Allow2111NoNo
18241167METHOD FOR ALKALIATING ELECTRODESAugust 2023December 2024Abandon1610NoNo
18279611Electrochemical Conversion Of Organic WasteAugust 2023August 2024Allow1100YesNo
18548418DEPOSITION OF NON-STOICHIOMETRIC METAL COMPOUND LAYERAugust 2023March 2025Allow1920NoNo
18548404TUNGSTEN SUBOXIDE CERAMIC TARGETAugust 2023March 2025Allow1920NoNo
18458190Sugar Formation from CO2 ElectroreductionAugust 2023June 2025Allow2110NoNo

Appeals Overview

This analysis examines appeal outcomes and the strategic value of filing appeals for art-unit 1794.

Patent Trial and Appeal Board (PTAB) Decisions

Total PTAB Decisions
617
Examiner Affirmed
479
(77.6%)
Examiner Reversed
138
(22.4%)
Reversal Percentile
8.8%
Lower than average

What This Means

With a 22.4% reversal rate, the PTAB affirms the examiner's rejections in the vast majority of cases. This reversal rate is in the bottom 25% across the USPTO, indicating that appeals face significant challenges here.

Strategic Value of Filing an Appeal

Total Appeal Filings
2018
Allowed After Appeal Filing
331
(16.4%)
Not Allowed After Appeal Filing
1687
(83.6%)
Filing Benefit Percentile
1.6%
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, 16.4% of applications that filed an appeal were subsequently allowed. This appeal filing benefit rate is in the bottom 25% across the USPTO, indicating that filing appeals is less effective here than in most other areas.

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 1794 - Prosecution Statistics Summary

Executive Summary

Art Unit 1794 is part of Group 1790 in Technology Center 1700. This art unit has examined 14,319 patent applications in our dataset, with an overall allowance rate of 50.2%. Applications typically reach final disposition in approximately 37 months.

Comparative Analysis

Art Unit 1794's allowance rate of 50.2% places it in the 7% percentile among all USPTO art units. This art unit has a significantly lower allowance rate than most art units at the USPTO.

Prosecution Patterns

Applications in Art Unit 1794 receive an average of 2.38 office actions before reaching final disposition (in the 88% percentile). The median prosecution time is 37 months (in the 14% 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.