USPTO Art Unit 1734 Prosecution Statistics

Art Unit Information

Art Unit: 1734
Group: 1730
Tech Center: 1700
Total Cases: 14,786
Last Active: July 2025

Recent Applications

Detailed information about the 100 most recent patent applications.

Application NumberTitleFiling DateDisposal DateDispositionTime (months)Office ActionsRestrictionsInterviewAppeal
19270504METHODS FOR PRODUCING ALLOY TOOLSJuly 2025January 2026Allow620NoNo
19265120NON-ORIENTED ELECTRICAL STEEL AND A METHOD OF MANUFACTURING NON-ORIENTED ELECTRICAL STEEL THEREOFJuly 2025November 2025Allow410NoNo
19255564MANGANESE OXIDE MAGNETIC NANOPARTICLE, PREPARATION METHOD AND APPLICATION THEREOFJune 2025February 2026Allow810NoNo
19245653PREPARATION METHOD FOR ANISOTROPIC ND2FE14B/ALPHA-FE BULK NANOCRYSTALLINE COMPOSITE PERMANENT MAGNET MATERIALJune 2025October 2025Allow401NoNo
19246103NON-ORIENTED ELECTRICAL STEEL AND A METHOD OF MANUFACTURING NON-ORIENTED ELECTRICAL STEEL THEREOFJune 2025November 2025Allow510NoNo
19202190LIME AND HYDRAULIC CEMENT MANUFACTURE BY ELECTROLYSIS USING HYALOCLASTITE OR LAVA, CARBON MINERALIZATION BY HYALOCLASTITE OR LAVA ELECTROLYSIS AND METHOD OF MAKING AND USING SAMEMay 2025September 2025Allow501NoNo
19197116COUPLABLE CLOSED EXTRACTORS AND METHODS FOR THEIR USEMay 2025August 2025Allow411YesNo
19098873Hydrated Lime for Carbon CaptureApril 2025October 2025Allow611YesNo
19077098BISMUTH OXYIODIDE QUANTUM DOTS AND METHOD FOR MAKINGMarch 2025July 2025Allow410YesNo
19074806TERNARY PARAELECTRIC MATERIAL WITH SPACE GROUP CC AND METHOD OF MANUFACTURING THE SAMEMarch 2025January 2026Allow1110NoNo
19070773PRODUCTION PROCESS OF S355J2 HOT-ROLLED H-BEAM FOR CE-CONTAINING BEAM-COLUMN MEMBERMarch 2025July 2025Allow410YesNo
19070001AIR CARBON CAPTURE ADSORPTION DEVICE AND LOW-RESISTANCE CARBON CAPTURE SYSTEMMarch 2025April 2025Allow200NoNo
19100183PLANT AND METHOD TO IMPROVE THE EFFICIENCY OF CO2 CAPTURE AND STORAGE USING PRECIPITATED CALCIUM CARBONATEJanuary 2025June 2025Allow400NoNo
18835465SEMICONDUCTOR NANOPARTICLES COMPOSED OF AgAuS-BASED MULTICOMPONENT COMPOUNDJanuary 2025July 2025Allow1110NoNo
19033003TARGET APPARATUS AND METHODJanuary 2025May 2025Allow400NoNo
19026554Magnetic Microcapsule, Preparation Method Thereof, and Magnetic FilmJanuary 2025June 2025Allow510YesNo
18995171ARSENIC-CONTAINING LIGANDS, CATALYTIC COMPOSITIONS CONTAINING SUCH LIGANDS, AND CATALYTIC PROCESSES UTILIZING SUCH CATALYTIC COMPOSITIONSJanuary 2025October 2025Allow900NoNo
19011522STEEL SHEET AND HIGH STRENGTH PRESS HARDENED STEEL PART HAVING EXCELLENT BENDING AND METHOD OF MANUFACTURING THE SAMEJanuary 2025March 2025Allow210NoNo
19011505STEEL SHEET AND HIGH STRENGTH PRESS HARDENED STEEL PART HAVING EXCELLENT BENDING AND METHOD OF MANUFACTURING THE SAMEJanuary 2025March 2025Allow310NoNo
19011515STEEL SHEET AND HIGH STRENGTH PRESS HARDENED STEEL PART HAVING EXCELLENT BENDING AND METHOD OF MANUFACTURING THE SAMEJanuary 2025November 2025Allow1020NoNo
18880853FATIGUE-RESISTANT LOAD-BEARING STEEL FOR WIND TURBINE MAIN SHAFT, AND MANUFACTURING METHOD AND USE THEREOFJanuary 2025November 2025Allow1011NoNo
19006778MICRON IRON-BASED PRIMARY BATTERY MATERIAL, PREPARATION METHOD AND MEMBRANE BIOREACTOR SYSTEMDecember 2024May 2025Allow511NoNo
19004191RESIN SUBSTRATE-BASED IRON OXYHYDROXIDE DESULFURIZING AGENT AND PREPARATION METHOD THEREFORDecember 2024April 2025Allow300YesNo
18988468STEEL SHEET AND HIGH STRENGTH PRESS HARDENED STEEL PART HAVING EXCELLENT BENDING ANISOTROPY AND METHOD OF MANUFACTURING THE SAMEDecember 2024May 2025Allow410NoNo
18988516STEEL SHEET AND HIGH STRENGTH PRESS HARDENED STEEL PART HAVING EXCELLENT BENDING ANISOTROPY AND METHOD OF MANUFACTURING THE SAMEDecember 2024June 2025Allow610NoNo
18877155STORAGE FOR POWDER MATERIAL FOR METAL 3D PRINTER, AND METHOD FOR STORING POWDER MATERIAL FOR METAL 3D PRINTERDecember 2024March 2026Allow1510NoNo
18986605HIGH SURFACE-AREA CONTACTOR MEDIA FOR IMPROVED GAS-LIQUID CONTACTORSDecember 2024April 2025Allow400NoNo
18973474SYSTEMS AND METHODS FOR MANAGING HYDROCARBON EMISSIONSDecember 2024July 2025Allow711YesNo
18970659MESOPOROUS NANOCOMPOSITEDecember 2024March 2025Allow310NoNo
18968443METHOD FOR MAKING BISMUTH OXYHALIDE QUANTUM DOTSDecember 2024February 2025Allow310NoNo
18871244TITANIUM ALLOYDecember 2024January 2026Allow1421YesNo
18957981SYSTEMS AND METHODS FOR RECOVERY OF AMINE SOLVENT IN CO2 CAPTURE PLANTNovember 2024August 2025Allow921YesNo
18954659SYSTEMS FOR REMOVING CARBON DIOXIDE FROM A CARBON DIOXIDE CONTAINING GAS, AND RELATED METHODSNovember 2024July 2025Allow821YesNo
18864785Systems and Methods for Ammonia PurificationNovember 2024February 2025Allow300NoNo
18942358METHOD FOR MAKING SPINEL FERRITE SUPERPARAMAGNETIC COMPOSITENovember 2024December 2025Allow1310NoNo
18861315GLASS COMPOSITION FOR GLASS FIBERS, GLASS FIBERS, GLASS FIBER TEXTILE, AND GLASS FIBER-REINFORCED RESIN COMPOSITIONOctober 2024May 2025Allow710NoNo
18927397TARGET APPARATUS AND METHODOctober 2024January 2025Allow301NoNo
18916452CARBON DIOXIDE GAS CAPTURE SYSTEMOctober 2024February 2025Allow401NoNo
18911769COMPOSITIONS COMPRISING 2,3,3,3-TETRAFLUOROPROPENE, 1,1,2,3-TETRA-CHLOROPROPENE, 2-CHLORO-3,3,3-TRIFLUOROPROPENE, OR 2-CHLORO-1,1,1,2-TETRAFLUOROPROPANEOctober 2024June 2025Allow921NoNo
18909438Aerogel CompositeOctober 2024April 2025Allow610YesNo
18903009FERRITE PARTICULATE-BASED ELECTRONIC DEVICEOctober 2024November 2025Allow1410NoNo
18901011ORIENTED ELECTRICAL STEEL WITH HIGH MAGNETIC INDUCTION AND ANNEALING METHOD THEREOFSeptember 2024January 2025Allow410NoNo
18898015ENERGY STORAGE DEVICE FOR GALVANOSTATIC CHARGE-DISCHARGESeptember 2024October 2025Allow1310NoNo
18848084ZINC OXIDE ELEMENTSeptember 2024May 2025Allow810NoNo
18830415SYSTEMS AND METHODS FOR REMOVING CARBON DIOXIDE FROM A FLUIDSeptember 2024November 2024Allow200NoNo
18822809WATER-BASED COIL COATING WITHOUT AMINE NEUTRALIZATIONSeptember 2024January 2025Allow510NoNo
18822969DROPLET FORMING DEVICES AND METHODS HAVING FLUOROPOLYMER SILANE COATING AGENTSSeptember 2024February 2025Allow601NoNo
18819299ARSENIC IRON ALLOY, PREPARATION METHOD AND RESOURCE TREATMENT METHOD THEREOFAugust 2024April 2025Allow811NoNo
18815374COUPLABLE CLOSED EXTRACTORS AND METHODS FOR THEIR USEAugust 2024January 2025Allow501NoNo
18841242SYSTEMS AND METHODS FOR CONTROLLABLE SYNTHESIS OF ENERGETIC NANOCOMPOSITESAugust 2024January 2026Allow1700NoNo
18840915CEMENTED CARBIDE AND CUTTING TOOLAugust 2024March 2025Allow600NoNo
18813773SYSTEMS AND METHODS FOR PRODUCING ALKALI HYDROXIDES AND SULFURIC ACID OR HYDROCHLORIC ACIDAugust 2024January 2025Allow401NoNo
18811856METHOD FOR MAKING CARBON QUANTUM DOTS FROM POWERED MACROALGAEAugust 2024November 2024Allow310NoNo
18811862METHOD FOR MAKING CARBON QUANTUM DOTS FROM MARINE BIOMASSAugust 2024November 2024Allow310YesNo
18811871METHOD FOR MAKING QUANTUM DOTS FROM MICROBIOTIC SOURCEAugust 2024November 2024Allow310NoNo
18840660CEMENTED CARBIDE AND CUTTING TOOLAugust 2024February 2025Allow600NoNo
18811753CRACK-CONTAINING HOT-STAMPED COATED STEEL PART WITH EXCELLENT SPOT-WELDABILITY AND EXCELLENT PAINTING ADHESIONAugust 2024March 2025Allow711NoNo
18811133STEEL SHEET AND HIGH STRENGTH PRESS HARDENED STEEL PART HAVING EXCELLENT BENDING AND METHOD OF MANUFACTURING THE SAMEAugust 2024February 2025Allow611NoNo
18811384STEEL SHEET AND HIGH STRENGTH PRESS HARDENED STEEL PART HAVING EXCELLENT BENDING ANISOTROPY AND METHOD OF MANUFACTURING THE SAMEAugust 2024March 2025Allow611NoNo
18809340PREPARATION METHOD OF POLYMER-DERIVED HIGH-TEMPERATURE CERAMIC FILM SENSORAugust 2024November 2024Allow200NoNo
18839238HOT-DIP PLATED STEEL SHEETAugust 2024July 2025Allow1120NoNo
18807603LIQUID SORBENT-ENHANCED AMMONIA PRODUCTIONAugust 2024September 2025Allow1321YesNo
18798885METHOD FOR MAKING BIZMUTH OXYHALIDE QUANTUM DOTSAugust 2024November 2024Allow310NoNo
18799964CO2 DESORPTION SYSTEM SUITABLE FOR LIMITED SPACE IN COMPLEX SAILING REGION AND FLEXIBLE CONTROL METHODAugust 2024October 2024Allow200NoNo
18793268COMPOSITE CATALYST WITH MOLYBDENUM MXENE FOR ELECTROCHEMICAL HYDROGENATION OF 2-METHYLFURANAugust 2024December 2025Allow1611NoNo
18791804METHOD FOR FORMING RARE EARTH-SUBSTITUTE NANOCOMPOSITEAugust 2024October 2024Allow310NoNo
18786894PHOSPHOR, LIGHT-EMITTING DEVICE, ILLUMINATION DEVICE, IMAGE DISPLAY DEVICE, AND INDICATOR LAMP FOR VEHICLEJuly 2024May 2025Allow910NoNo
18773036ZINC PLATED STEEL SHEET HAVING EXCELLENT SURFACE QUALITY AND SPOT WELDABILITY, AND MANUFACTURING METHOD THEREFORJuly 2024January 2026Allow1810NoNo
18772831PROCESS FOR REMOVING HYDROGEN SULFIDE FROM SOUR GASES WITH LAYERED TRIPLE HYDROXIDES/OXIDESJuly 2024September 2024Allow200NoNo
18770131CARBON DIOXIDE CAPTURE WITH SYSTEM OF CONTACTORS EACH HAVING FLUIDICALLY-ISOLATED, THERMALLY-CONNECTED, PARALLEL FLUID DOMAINSJuly 2024May 2025Allow1000NoNo
18770527MODULAR MEMBRANE ISOLATION CARBON DESORPTION DEVICE, CARBON CAPTURE SYSTEM, METHOD AND APPLICATIONJuly 2024September 2024Allow200YesNo
18761846POLYCRYSTALLINE DIAMOND COMPACTS INCLUDING A CEMENTED CARBIDE SUBSTRATEJuly 2024September 2025Allow1410YesNo
18759914LEACHED SUPERABRASIVE ELEMENTS, SUBTERRANIAN TOOLS WITH LEACHED SUPERABRASIVE ELEMENTS, AND RELATED SYSTEMS AND METHODSJune 2024October 2025Allow1521NoNo
18757440CRACK-CONTAINING HOT-STAMPED COATED STEEL PART WITH EXCELLENT SPOT-WELDABILITY AND EXCELLENT PAINTING ADHESIONJune 2024March 2025Allow901NoNo
18755223HIGH-STRENGTH AND HIGH-DAMPING ALUMINUM-ZINC BIMETAL ALLOY AND PREPARATION METHOD THEREOFJune 2024July 2025Allow1310NoNo
18753220CORROSION-RESISTANT COOLANT SALT AND METHOD FOR MAKING SAMEJune 2024January 2026Allow1901YesNo
17259119GRAIN ORIENTED ELECTRICAL STEEL SHEET AND PRODUCING METHOD THEREOFJune 2024October 2025Allow5740YesYes
18750330INORGANIC FOAM BASED ON GEOPOLYMERSJune 2024December 2025Abandon1810NoNo
18746719METHOD FOR SYNTHESIZING CARBON QUANTUM DOTS FROM MACROALGAEJune 2024August 2024Allow210YesNo
18746192TARGET APPARATUS AND METHODJune 2024October 2024Allow411NoNo
18747139AQUEOUS INKJET INK COMPOSITIONJune 2024April 2025Allow1000NoNo
18745807MATERIALS, METHODS, AND SYSTEMS FOR REACTIVE CAPTURE AND CONVERSION OF CO2June 2024November 2025Allow1721YesNo
18743247PLURALITY OF FLAKY MAGNETIC METAL PARTICLES, PRESSED POWDER MATERIAL, AND ROTATING ELECTRIC MACHINEJune 2024January 2025Allow720YesNo
17293010HOT-ROLLED STEEL SHEETJune 2024March 2024Allow3410NoNo
18739750DUAL ELECTRODE ENERGY STORAGE DEVICE WITH GEL ELECTOLYTE SUPPORTJune 2024September 2024Allow310NoNo
18739617METHOD OF USING GOLD/ZINC/GRAPHENE OXIDE PHOTOCATALYST NANOCOMPOSITE FOR WATER TREATMENTJune 2024August 2024Allow300NoNo
18735904METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND COLD-ROLLING FACILITYJune 2024March 2025Allow1000NoNo
18715318High Speed Steel CompositionMay 2024November 2024Allow610YesNo
18679816WATER-BASED COATING COMPOSITIONS FOR SCUFF AND SCRATCH RESISTANCEMay 2024February 2025Allow911NoNo
18677479Magnesium Silicate ProcessingMay 2024March 2025Allow910NoNo
18674421GARNET SCINTILLATOR COMPOSITIONS FOR DOWNHOLE OIL AND GAS EXPLORATIONSMay 2024June 2025Allow1311NoNo
18670822COMPOSITIONS COMPRISING 2,3,3,3-TETRAFLUOROPROPENE, 1,1,2,3-TETRA-CHLOROPROPENE, 2-CHLORO-3,3,3-TRIFLUOROPROPENE, OR 2-CHLORO-1,1,1,2-TETRAFLUOROPROPANEMay 2024July 2024Allow200NoNo
18670880PROCESS AND SYSTEM FOR CAPTURE OF CARBON DIOXIDEMay 2024February 2025Allow900NoNo
18665855BISMUTH OXYHALIDE-BASED QUANTUM DOTS AND METHOD OF SYNTHESIS THEREOFMay 2024August 2024Allow310NoNo
18709045HOT-ROLLED STEEL SHEET, HOT-DIP COATED STEEL SHEET, AND METHOD FOR PRODUCING HOT-ROLLED STEEL SHEETMay 2024October 2024Allow500NoNo
18657812CATALYTIC OXIDATION SYSTEM FOR EFFICIENT CONVERSION AND REMOVAL OF VOLATILE ORGANIC COMPOUNDS (VOCs) IN COAL CHEMICAL INDUSTRY, AND CATALYTIC OXIDATION METHOD THEREOFMay 2024August 2024Allow301NoNo
18707626A tube of a Fe-Cr-Al alloyMay 2024August 2025Abandon1521YesNo
18707639A ferritic iron-chromium-aluminum powder and a seamless tube made thereofMay 2024January 2025Allow911YesNo
18654004DIRECTIONALLY ASSEMBLED FLEXIBLE MOF HYDROGEL, AND PREPARATION METHOD AND PROTON CONDUCTION APPLICATION THEREOFMay 2024January 2025Allow911NoNo
18653758ROTATING ELECTRICAL MACHINE, STATOR CORE AND ROTOR CORE SET, METHOD FOR MANUFACTURING ROTATING ELECTRICAL MACHINE, METHOD FOR MANUFACTURING NON-ORIENTED ELECTRICAL STEEL SHEET, METHOD FOR MANUFACTURING ROTOR AND STATOR OF ROTATING ELECTRICAL MACHINE, AND NON-ORIENTED ELECTRICAL STEEL SHEET SETMay 2024September 2025Allow1611YesNo

Appeals Overview

This analysis examines appeal outcomes and the strategic value of filing appeals for art-unit 1734.

Patent Trial and Appeal Board (PTAB) Decisions

Total PTAB Decisions
385
Examiner Affirmed
252
(65.5%)
Examiner Reversed
133
(34.5%)
Reversal Percentile
61.8%
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
1038
Allowed After Appeal Filing
321
(30.9%)
Not Allowed After Appeal Filing
717
(69.1%)
Filing Benefit Percentile
43.1%
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, 30.9% 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 1734 - Prosecution Statistics Summary

Executive Summary

Art Unit 1734 is part of Group 1730 in Technology Center 1700. This art unit has examined 14,786 patent applications in our dataset, with an overall allowance rate of 69.6%. Applications typically reach final disposition in approximately 31 months.

Comparative Analysis

Art Unit 1734's allowance rate of 69.6% places it in the 31% 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 1734 receive an average of 1.90 office actions before reaching final disposition (in the 50% percentile). The median prosecution time is 31 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 more 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.