USPTO Art Unit 1731 Prosecution Statistics

Recent Applications

Detailed information about the 100 most recent patent applications.

Application NumberTitleFiling DateDisposal DateDispositionTime (months)Office ActionsRestrictionsInterviewAppeal
19072608WOOD PRESERVATIVE COMPOSITION COMPRISING 4,5-DICHLORO-2-OCTYLISOTHIAZOL-3(2H)-ONE, A METHOD TREATING A WOOD SUBSTRATE THEREWITH, AND A WOOD PRODUCT PRODUCED THEREFROMMarch 2025June 2025Allow310NoNo
19019920METHOD FOR IMPROVING DEFORMABILITY OF CEMENTITIOUS COMPOSITE BY USING POLYETHYLENE TEREPHTHALATE POWDERJanuary 2025April 2025Allow300NoNo
19008931METHOD FOR MOLECULAR SIEVE SHAPING BY USING RICE HUSK AS TEMPLATEJanuary 2025April 2025Allow300NoNo
19001993POLISHING PASTE FOR SUPERFINISHING OF BEARING STEEL, AND PREPARATION METHOD AND USE THEREOFDecember 2024April 2025Allow300NoNo
18986968MOLECULES HAVING PESTICIDAL UTILITY, AND INTERMEDIATES, COMPOSITIONS, AND PROCESSES, RELATED THERETODecember 2024May 2025Allow510NoNo
18967141METHOD FOR GENERATING HYDROGEN USING Bi2O3@SiO2 NANOCOMPOSITE CATALYSTDecember 2024March 2025Allow300NoNo
18966734PREPARATION METHOD OF COMPOSITE SLOW-RELEASE NANO-NITROGEN FERTILIZERDecember 2024February 2025Allow200NoNo
18870458SYSTEM FOR OPTIMIZING DURATION TIME OF HIGH-PRESSURE LEACHING OF LATERITE NICKEL ORENovember 2024June 2025Allow610NoNo
18956674TAILORING NEW COVALENT ORGANIC FRAMEWORK FOR HIGHLY EFFICIENT IODINE CAPTURENovember 2024February 2025Allow200YesNo
18864672TITANIUM OXIDE POWDER AND METHOD FOR PRODUCING SAMENovember 2024June 2025Allow710NoNo
18940189METHOD FOR PRODUCING HYDROGEN FROM WOODY WASTE THROUGH STAGED PYROLYSIS AND CATALYTIC GASIFICATIONNovember 2024March 2025Allow510NoNo
18931388SYNTHESIS OF COBALT OXIDE NANOPARTICLES USING L-VALINE AS A FUELOctober 2024April 2025Allow510YesNo
18931219SYNTHESIS OF ZINC OXIDE NANOPARTICLES USING L-TRYPTOPHAN AS A FUELOctober 2024March 2025Allow510YesNo
18931608TUNGSTEN HEXAFLUORIDE PREPARATION METHOD AND APPARATUS BASED ON PHOTOELECTRIC SYNERGYOctober 2024March 2025Allow400NoNo
18919815CONCRETE COMPOSITION INCLUDING NANOSILICA DERIVED FROM GLASS WASTEOctober 2024March 2025Allow500NoNo
18850146ADSORPTION FILTERSeptember 2024June 2025Allow910YesNo
18894204HIGH-PERFORMANCE SODIUM ION ELECTROLYTES AND EFFICIENT METHODS FOR MAKING THE SAMESeptember 2024March 2025Allow620NoNo
18891261METHOD FOR PREPARING AMORPHOUS HIERARCHICALLY POROUS UiO-66September 2024May 2025Allow800NoNo
18888637CERAMIC SUSCEPTOR AND MANUFACTURING METHOD THEREOFSeptember 2024May 2025Allow811NoNo
18828783LIME-BASED CEMENT EXTENDER COMPOSITIONS, AND ASSOCIATED SYSTEMS AND METHODSSeptember 2024May 2025Allow820YesNo
18837926NEGATIVE THERMAL EXPANSION MATERIAL, METHOD FOR PRODUCING THE SAME, AND COMPOSITE MATERIALAugust 2024February 2025Allow700NoNo
18799957DEVICE AND METHOD FOR RECOVERING ARSENIC AND GALLIUMAugust 2024March 2025Allow710NoNo
18835990METHOD FOR SYNTHESIZING SiO2Al2O3 CONTAINING SOL SOLUTION AND METHOD FOR FORMING POROUS ALUMINA FILMAugust 2024February 2025Allow701YesNo
18784599HIGH THERMAL COEFFICIENT GROUT COMPOSITIONS AND METHODS THEREFORJuly 2024February 2025Allow711YesNo
18779745AUTOCLAVE METHOD FOR MAKING FERRIC OXIDEJuly 2024January 2025Allow610NoNo
18779617FERRIC OXIDE SYNTHESIS METHODJuly 2024September 2024Allow200YesNo
18779846METHOD FOR FORMING FERRIC OXIDE MICROPARTICLESJuly 2024September 2024Allow200YesNo
18730539GLASS FIBERSJuly 2024July 2025Allow1110NoNo
18730632GLASS FIBERSJuly 2024February 2025Allow710YesNo
18777753LIGHTWEIGHT SOLID WASTE POROUS AGGREGATE, AND PREPARATION METHOD AND USE THEREOFJuly 2024January 2025Allow610NoNo
18776876WIRE MESH CONCRETE REINFORCEMENT MEMBERS AND METHODS OF USE THEREOFJuly 2024December 2024Allow501NoNo
18774468EV-GRADE HIGH-PURITY LITHIUM SULFIDE AND PREPARATION METHOD FOR THE SAMEJuly 2024April 2025Allow911NoNo
18765282LIME AND HYDRAULIC CEMENT MANUFACTURE USING, HYALOCLASTITE OR LAVA, AND METHOD OF MAKING AND USING SAMEJuly 2024August 2024Allow210NoNo
18758467PROCESS FOR REMOVING HYDROGEN SULFIDE FROM SOUR GASES WITH A LAYERED TRIPLE HYDROXIDE ZIF-67 COMPOSITEJune 2024September 2024Allow200YesNo
18748480CUBIC BORON NITRIDE POLYCRYSTALLITE AND METHOD FOR PRODUCING THE SAMEJune 2024February 2025Allow811YesNo
18741901SELF-HEALING CERAMIC MATERIAL WITH REDUCED POROSITY AND METHOD FOR PREPARING THE SAMEJune 2024September 2024Allow2701NoNo
18738352GAS CAPTURE USING POLYMERIC PARTICLESJune 2024June 2025Allow1211NoNo
18737977PORTLAND CEMENT CLINKER MANUFACTURE USING HYALOCLASTITE OR LAVA AND METHOD OF MAKING AND USING SAMEJune 2024August 2024Allow210NoNo
18676521PREPARATION METHOD FOR NANOCOMPOSITE FIBER MEMBRANE MATERIAL BASED ON BIO-BASED LIQUEFIED FORMALDEHYDE RESINMay 2024September 2024Allow300NoNo
18677009LIME-BASED CEMENT EXTENDER COMPOSITIONS, AND ASSOCIATED SYSTEMS AND METHODSMay 2024February 2025Allow900NoNo
18672659FISCHER-TROPSCH CATALYSTSMay 2024April 2025Allow1020YesNo
18672684FISCHER-TROPSCH CATALYSTSMay 2024December 2024Allow710NoNo
18672206CONCRETE WITH OIL SHALE WASTE RESIDUE AS AGGREGATES AND PREPARATION METHOD THEREOFMay 2024August 2024Allow310NoNo
18668296DEVICE AND METHOD FOR IMPROVING THE TOUGHNESS OF CONCRETE BY SOLVING FIBER AGGLOMERATIONMay 2024August 2024Allow301NoNo
18660297HYDROCYCLONE MODIFICATION OF CATALYST SYSTEM COMPONENTS FOR USE IN OLEFIN POLYMERIZATIONMay 2024March 2025Allow1020NoNo
18660375METHOD FOR TREATING WATER CONTAMINATED WITH POLYCYCLIC ORGANICSMay 2024August 2024Allow300YesNo
18659346COBALT AND COPPER-DOPED NICKEL FERRITE NANOPARTICLES AS CATALYST FOR DIRECT METHANOL FUEL CELLSMay 2024May 2025Abandon1220NoNo
18658391MOLD COMPOSITIONS FOR ADDITIVE CASTING OF METAL OBJECTSMay 2024January 2025Allow910NoNo
18643873MODIFIED FIBROUS WOLLASTONITE AND METHOD OF PRODUCING THE SAMEApril 2024May 2025Allow1311NoNo
18643867CARBON MINERALIZATION AND SEQUESTRATION USING CARBONATABLE MINERALS, HYALOCLASTITE, LAVA, FLY ASH, BOTTOM ASH, SLAG AND METHOD OF MAKING AND USING SAMEApril 2024October 2024Allow531NoNo
18641770CHEMICALLY STRENGTHENABLE LITHIUM ALUMINOSILICATE GLASSES WITH INHERENT DAMAGE RESISTANCEApril 2024March 2025Allow1110NoNo
18641679LOW VOC WATER-BORNE COLORANT COMPOSITIONS WITH IMPROVED MICROBIAL RESISTANCE AND METHOD FOR ASSESSING MICROBIAL RESISTANCE OF COLORANT COMPOSITIONSApril 2024November 2024Allow710YesNo
18633658Method For Preparing Non-Sintered Shell-Wrapped Ceramsite Using Solid Waste Meanwhile Immobilizing Heavy Metal In River Sediment, And Non-Sintered River-Sediment-Based CeramsiteApril 2024October 2024Allow611NoNo
18625799AMINE-FUNCTIONALIZED ADSORBENT AND METHOD FOR PREPARING SAMEApril 2024December 2024Allow910NoNo
18619236Utilizing Nanoscale Materials as Dispersants, Surfactants or Stabilizing Molecules, Methods of Making the Same and the Products Produced TherefromMarch 2024May 2025Abandon1301NoNo
18616331METHOD FOR REDUCING A NITRO COMPOUND TO AN AMINE COMPOUNDMarch 2024June 2024Allow200YesNo
18616306CATALYTIC REDUCTION OF A NITRO COMPOUND TO AN AMINE COMPOUNDMarch 2024May 2024Allow200YesNo
18616283METHOD FOR REDUCING NITROGENOUS PHENOLSMarch 2024June 2024Allow200YesNo
18612473IMIDAZOLIUM IONIC LIQUIDS MADE USING CARDANOL EXTRACTED FROM CASHEW NUTSHELL OIL TO ENHANCE CRUDE OIL RECOVERY IN OILFIELDSMarch 2024November 2024Allow810NoNo
18612458IMIDAZOLIUM IONIC LIQUIDS MADE USING CARDANOL EXTRACTED FROM CASHEW NUTSHELL OIL TO ENHANCE CRUDE OIL RECOVERY IN OILFIELDSMarch 2024November 2024Allow810NoNo
18612514IMIDAZOLIUM IONIC LIQUIDS MADE USING CARDANOL EXTRACTED FROM CASHEW NUTSHELL OIL TO ENHANCE CRUDE OIL RECOVERY IN OILFIELDSMarch 2024November 2024Allow800NoNo
18612504IMIDAZOLIUM IONIC LIQUIDS MADE USING CARDANOL EXTRACTED FROM CASHEW NUTSHELL OIL TO ENHANCE CRUDE OIL RECOVERY IN OILFIELDSMarch 2024May 2024Allow200NoNo
18610411CEMENTED FILLING MATERIAL WITH BIONIC STRUCTURE AND PREPARATION METHOD AND APPLICATION THEREOFMarch 2024May 2024Allow200NoNo
18606738GREEN METHOD FOR PREPARING JUTE STEM-SUPPORTED CATALYSTMarch 2024August 2024Allow510YesNo
18606569METHOD FOR MAKING NATURAL MATERIAL-SUPPORTED PALLADIUM CATALYSTMarch 2024August 2024Allow510NoNo
18606656METHOD FOR MAKING AN UNMODIFIED JUTE SUPPORTED CATALYSTMarch 2024August 2024Allow510NoNo
18603602INORGANIC SOLID WASTE-MICROBIAL COMPOSITE CURING AGENT AND ITS PREPARATION METHOD AND APPLICATIONMarch 2024June 2024Allow300NoNo
18597600AMMONIA PLANT HAVING A START-UP FURNACE AND METHOD FOR PRODUCING AMMONIAMarch 2024January 2025Allow1100NoNo
18596796SELF-CURING CONCRETE COMPRISING A METAL-ORGANIC FRAMEWORK AND METHODS OF MAKING THE SAMEMarch 2024August 2024Allow610NoNo
18595706COMPOSITIONS FOR IMPROVED CONCRETE PERFORMANCEMarch 2024October 2024Allow710YesNo
18589647CLASS C FLY ASH-BASED CEMENTITIOUS MATERIALS, FLOWABLE FILL, CONCRETE, AND RELATED TECHNIQUESFebruary 2024October 2024Allow810NoNo
18686442CEMENTED CARBIDE AND CUTTING TOOLFebruary 2024April 2025Allow1430YesNo
185863523D PRINTABLE CEMENTITIOUS INK INCLUDING ELECTROMAGNETIC PULSE RESISTANT BINDERSFebruary 2024March 2025Allow1301YesNo
18585108METHOD FOR PREPARING BITTERN-CARBONIZATION SYNERGISTIC REINFORCED RECYCLED AGGREGATEFebruary 2024April 2024Allow200NoNo
18443813HIGH STRAIN POINT AND HIGH YOUNG'S MODULUS GLASSESFebruary 2024March 2025Allow1220NoNo
18438255CATALYST FOR DECOMPOSITION OF AMMONIA, MANUFACTURING METHOD THEREFOR, AND METHOD FOR PRODUCING HYDROGEN USING SAMEFebruary 2024January 2025Allow1221NoNo
18682025NON-SINTERED HIGH-STRENGTH LIGHTWEIGHT AGGREGATE ONE-SHOT PREPARED FROM SULFUR-BASED AND ALKALINE-BASED SOLID WASTES BY STIRRING, GRANULATION, FOAMING, PREPARATION METHOD THEREFOR AND USE THEREOFFebruary 2024August 2024Allow600NoNo
18433982Accelerating Agents For Resin Cement Composite Systems For Oil Well CementingFebruary 2024March 2025Allow1310YesNo
18122329SYSTEM AND METHOD FOR THE FABRICATION OF NANODIAMOND PARTICLESFebruary 2024July 2024Allow1610YesNo
18430662PREPARATION METHOD OF HEAT-RESISTANT ADHESIVE OF SILICON-BORON-CARBON-ZIRCONIUM MODIFIED ALUMINUM-ZIRCONIUM PHOSPHATE FOR ZIRCONIUM OXIDE CERAMICSFebruary 2024April 2024Allow300NoNo
18429030UNDERWATER RAPID REPAIR MATERIAL FOR MARINE STEEL STRUCTUREJanuary 2024May 2024Allow400NoNo
18425949Nitrogen Activator Stabilizer for Reducing and Protecting Nitrogen FertilizerJanuary 2024April 2024Allow310NoNo
18426225Nitrogen Activator Stabilizer for Reducing and Protecting Nitrogen FertilizerJanuary 2024July 2024Allow610NoNo
18423419SILICOBORATE AND BOROSILICATE GLASSES HAVING HIGH REFRACTIVE INDEX AND LOW DENSITYJanuary 2024September 2024Allow700NoNo
18423740CERAMIC ELECTRONIC COMPONENT AND METHOD OF MANUFACTURING THE SAMEJanuary 2024April 2025Allow1520YesNo
18420979SILICOBORATE AND BOROSILICATE GLASSES HAVING HIGH REFRACTIVE INDEX AND HIGH TRANSMITTANCE TO BLUE LIGHTJanuary 2024September 2024Allow800NoNo
18420145DIATOMACEOUS EARTH COMPOSITION WITH A LOW ENDOTOXIN CONTENTJanuary 2024June 2025Allow1720NoNo
18416240HYALOCLASTITE FERTILIZER, HYALOCLASTITE PLANT NUTRIENT, HYALOCLASTITE PLANT SOIL IMPROVMENT AND METHOD OF MAKING AND USING SAMEJanuary 2024February 2025Allow1341YesNo
18415154PIGMENT INCLUDING A METAL CORE, ORGANIC LAYER, AND AN INORGANIC LAYERJanuary 2024May 2025Allow1600NoNo
18411369NITROGEN ACTIVATOR STABILIZER FOR REDUCING AND PROTECTING NITROGEN FERTILIZERJanuary 2024April 2024Allow310NoNo
18410007POROUS MULTI-METAL OXIDE NANOTUBES AND PRODUCTION METHOD THEREFORJanuary 2024June 2025Allow1710NoNo
18398569CONCRETE WITH VOLCANIC ASH AND MICROSILICADecember 2023April 2024Allow310YesNo
18397074CEMENTITIOUS REAGENTS, METHODS OF MANUFACTURING AND USES THEREOFDecember 2023October 2024Allow1000NoNo
18395402REACTION SCHEMES INVOLVING ACIDS AND BASES; REACTORS COMPRISING SPATIALLY VARYING CHEMICAL COMPOSITION GRADIENTS; AND ASSOCIATED SYSTEMS AND METHODSDecember 2023February 2025Allow1430NoNo
18395376REACTION SCHEMES INVOLVING ACIDS AND BASES; REACTORS COMPRISING SPATIALLY VARYING CHEMICAL COMPOSITION GRADIENTS; AND ASSOCIATED SYSTEMS AND METHODSDecember 2023October 2024Allow1020YesNo
18389921CATALYST MATERIAL AND METHOD OF MANUFACTURING THE SAMEDecember 2023February 2025Allow1411NoNo
18391192COBALT AND COPPER-DOPED NICKEL FERRITE NANOPARTICLES AS CATALYST FOR DIRECT METHANOL FUEL CELLSDecember 2023April 2024Allow410NoNo
18390399SYSTEMS AND METHODS FOR STORING AND MINERALIZING CARBON DIOXIDE WITH LIMEDecember 2023August 2024Allow811YesNo
18544685ABRASIVE ARTICLES AND METHODS OF FORMING SAMEDecember 2023April 2025Allow1640YesNo
18539373PREPARATION METHOD AND APPLICATION OF COATED VANADIUM-TUNGSTEN-TITANIUM OXIDE MONOLITHIC SCR CATALYSTDecember 2023August 2024Allow811NoNo

Appeals Overview

This analysis examines appeal outcomes and the strategic value of filing appeals for art-unit 1731.

Patent Trial and Appeal Board (PTAB) Decisions

Total PTAB Decisions
255
Examiner Affirmed
171
(67.1%)
Examiner Reversed
84
(32.9%)
Reversal Percentile
52.5%
Higher than average

What This Means

With a 32.9% 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
860
Allowed After Appeal Filing
264
(30.7%)
Not Allowed After Appeal Filing
596
(69.3%)
Filing Benefit Percentile
37.8%
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, 30.7% 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 1731 - Prosecution Statistics Summary

Executive Summary

Art Unit 1731 is part of Group 1730 in Technology Center 1700. This art unit has examined 15,446 patent applications in our dataset, with an overall allowance rate of 72.1%. Applications typically reach final disposition in approximately 29 months.

Comparative Analysis

Art Unit 1731's allowance rate of 72.1% places it in the 33% 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 1731 receive an average of 1.78 office actions before reaching final disposition (in the 45% percentile). The median prosecution time is 29 months (in the 47% 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 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.