USPTO Art Unit 1772 Prosecution Statistics

Art Unit Information

Art Unit: 1772
Group: 1770
Tech Center: 1700
Total Cases: 15,484
Last Active: February 2025

Recent Applications

Detailed information about the 100 most recent patent applications.

Application NumberTitleFiling DateDisposal DateDispositionTime (months)Office ActionsRestrictionsInterviewAppeal
19046317SYSTEMS AND METHODS OF RENEWABLE NATURAL GAS PROCESSINGFebruary 2025May 2025Allow410NoNo
19040022Methods And Systems For Separating MetalsJanuary 2025May 2025Allow310NoNo
18994018PRODUCTION OF ETHYLENE AND PROPYLENE FROM PYROLYSIS PLASTIC OILJanuary 2025June 2025Allow500NoNo
19012317Process for Hydroprocessing of Non-Petroleum Feedstocks with Hydrogen ProductionJanuary 2025June 2025Allow510NoNo
18986289METHOD OF PRODUCTION OF BICYCLIC HYDROCARBONSDecember 2024April 2025Allow401NoNo
18874570PLANT SQUALANE COMPOSITION, PREPARATION METHOD THEREOF, AND APPLICATION THEREOFDecember 2024May 2025Allow500YesNo
18978690PROCESS FOR INCREASING LIQUID FUEL YIELD FROM CARBON OXIDESDecember 2024July 2025Allow710NoNo
18872679PROCESS AND APPARATUS FOR TREATING METHANE-CONTAINING GASDecember 2024June 2025Allow700YesNo
18954559EFFICIENT HEAT-INDUCTION DECOKING DEVICE AND METHOD FOR THERMAL CONVERSION OF SOLID FUELSNovember 2024March 2025Allow410NoNo
18941013CONTINUOUS RECIRCULATION FOR SEPARATION OF FLUIDS PRODUCED DURING DRILL OUT AND FLOW BACKNovember 2024March 2025Allow410NoNo
18918411DEVICE THAT TREATS WATER AND/OR AT LEAST ONE CHROMOPHORE WITH MULTIPLE WAVELENGTHS OF LIGHT AND SOUNDOctober 2024March 2025Allow510NoNo
18916835SOLID OXIDE AND CHEMICALLY-TREATED SOLID OXIDE CATALYSTS FOR THE PYROLYSIS OF POLYETHYLENEOctober 2024February 2025Allow410NoNo
18913149CHLORINATOR WITH ONBOARD FLOW SENSOROctober 2024April 2025Allow620YesNo
18910255System and Method for Producing Renewable Natural Gas from BiogasOctober 2024December 2024Allow210NoNo
18830007Eco-Friendly Biodiesel Production Method Using Waste Olive Oil and Pulp-Derived CatalystsSeptember 2024April 2025Allow710NoNo
18826471REMOVABLE INNER FRAME ASSEMBLY FOR CLEAN ENVIRONMENTSSeptember 2024December 2024Allow310NoNo
18837937CLEANING PROCESS OF A VINYL AROMATIC COMPOUNDS DISTILLATION UNIT AND PROCESSES INCLUDING SUCH CLEANING PROCESSAugust 2024March 2025Allow710NoNo
18801971SEPARATION OF SULFUROUS MATERIALSAugust 2024September 2024Allow110NoNo
18799966PROCESS FOR CONVERTING OLEFINS TO JET FUEL WITH PARALLEL REACTORSAugust 2024July 2025Allow1110NoNo
18798410SUSTAINABLE BRINE TREATMENT SYSTEM AND PROCESSAugust 2024January 2025Allow510YesNo
18797824ALL-WEATHER SOLAR SEAWATER DESALINATION DEVICE AND METHODAugust 2024March 2025Allow711NoNo
18785174CONTINUOUS RECIRCULATION FOR SEPARATION OF FLUIDS PRODUCED DURING DRILL OUT AND FLOW BACKJuly 2024October 2024Allow300NoNo
18832785ELECTRIFIED PROCESS TO CONDUCT TRANSFORMATION OF ALCOHOLS INTO CORRESPONDING OLEFINS IN A FLUDIZED BED REACTORJuly 2024March 2025Allow810NoNo
18777864METHOD OF CRACKING A HYDROCARBONJuly 2024March 2025Allow810YesNo
18775253BOX CHAIN CONVEYOR ADSORPTION MOVING BED WITH HEAT INTEGRATIONJuly 2024January 2025Allow601NoNo
18769774AQUEOUS SOLUTIONS AND METHODS OF USING SAME FOR REMEDIATING CONTAMINANTS IN CONTAMINATED GASSESJuly 2024October 2024Allow300NoNo
18770059ACCUMULATOR AND DISSIPATION ASSEMBLY FOR CAPTURING EXIGENT VENTED VOLATILE FLUIDSJuly 2024January 2025Allow611NoNo
18770192HIGH-ENERGY LASER SURFACE PROCESSING FOR INDUSTRIAL COLUMN PACKINGJuly 2024April 2025Allow911YesNo
18764253HYDROGEN PRODUCTION DEVICE, GAS-LIQUID SEPARATION APPARATUS THEREOF, AND ELECTROLYTE AND HYDROGEN SEPARATING METHODJuly 2024March 2025Allow910NoNo
18753666PYROLYSIS OF LOW-DENSITY POLYETHYLENE USING A METAL-DOPED ZEOLITEJune 2024September 2024Allow210YesNo
18738697Process for the Production of Renewable Distillate-Range HydrocarbonsJune 2024December 2024Allow600NoNo
18736236HYDROGENATION OF ACETYLENES IN A HYDROCARBON STREAMJune 2024May 2025Allow1101YesNo
18672158SYSTEM AND METHOD FOR DISTILLATIONMay 2024November 2024Allow610NoNo
18672644CONTROL SCHEME FOR AMINE CONTACTORMay 2024December 2024Allow600NoNo
18669691Method of Improving Selective Hydrogenation of Unsaturated Hydrocarbon in Aromatic Fraction Through Catalyst PretreatmentMay 2024November 2024Allow600NoNo
18667451LOW ENERGY LIQUID DEGASIFICATION DEVICES AND METHODSMay 2024June 2025Allow1310YesNo
18664822METHODS FOR FORMING LIGHT OLEFINS THAT INCLUDE USE OF COOLED PRODUCT AS A RECYCLED QUENCH STREAMMay 2024January 2025Allow800YesNo
18710414Process To Conduct An Alkane Transformation Into Olefins In An Electrified Fluidized Bed ReactorMay 2024July 2024Allow200YesNo
18660870METHOD OF PROVIDING A BIO-OIL TO A HYDRODEOXYGENATION REACTORMay 2024January 2025Allow800NoNo
18653431METHODS FOR CONVERTING C2+ OLEFINS TO HIGHER CARBON NUMBER OLEFINSMay 2024June 2025Allow1410YesNo
18650263Usability Of A Disposable For A Spray Drying Plasma SystemApril 2024December 2024Allow710NoNo
18650359DEVICES AND SYSTEMS FOR TREATING WATER AND OTHER FLUIDSApril 2024April 2025Allow1211YesNo
18648816Hydrogen Production with Membrane ReactorApril 2024March 2025Allow1120YesNo
18646393PHOSPHOROUS-FREE OIL SOLUBLE MOLYBDENUM COMPLEXES AS HIGH TEMPERATURE FOULING INHIBITORSApril 2024March 2025Allow1110NoNo
18644398System and Method for Producing Renewable Natural Gas from BiogasApril 2024July 2024Allow310NoNo
18703716PYROLYSIS VAPOR OUTLET ANTI-COKING DEVICE AND METHOD OF ADSORBING MEDIUM SELF-RECYCLING REGENERATIONApril 2024September 2024Allow510YesNo
18701709METHOD FOR PRODUCTION OF A TRANSPORTATION FUELApril 2024February 2025Allow1010YesNo
18701468CORBEL FOR A COKE OVEN OR COKE OVEN BATTERYApril 2024March 2025Allow1110NoNo
18632596Method of Making Colloidal Suspensions of Metal Organic Frameworks in Polymeric Solutions and Uses ThereofApril 2024April 2025Allow1201YesNo
18631651SIMULTANEOUS DEHYDRATION, DIMERIZATION, AND METATHESIS OF C2-C5 ALCOHOLSApril 2024March 2025Allow1110NoNo
18621888PRECURSOR COMPOUND OF TETRACYCLIC HYDROCARBON AND PREPARATION METHOD THEREOF, AND TETRACYCLIC HYDROCARBON AND PREPARATION METHOD AND USE THEREOFMarch 2024July 2024Allow400YesNo
18617661METHOD FOR FORMING OLEFINS FROM CARBON DIOXIDEMarch 2024June 2024Allow300NoNo
18617660CARBON DIOXIDE REDUCTION METHOD WITH RED MUD CATALYSTMarch 2024June 2024Allow300NoNo
18617657METHOD FOR CONVERTING CARBON DIOXIDE WITH RED MUD CATALYSTMarch 2024June 2024Allow300NoNo
18618037VACUUM EVAPORATIVE HEAT EXCHANGERMarch 2024May 2025Allow1310NoNo
18616544AQUEOUS SOLUTIONS AND METHODS OF USING SAME FOR REMEDIATING CONTAMINANTS IN CONTAMINATED GASSESMarch 2024October 2024Allow600NoNo
18613736ON-LINE DEGASSING DEVICE FOR FLOWING LIQUIDMarch 2024August 2024Allow510NoNo
18694795Low Energy Ejector Desalination SystemMarch 2024October 2024Allow710NoNo
18611495PROCESS FOR RECOVERING AND REUSING DEPOLYMERIZATION CATALYSTMarch 2024May 2025Allow1400NoNo
18611273Control method for a system having reduced nitrogen oxide emissions and for use in a carbon negative emission methodMarch 2024March 2025Allow1220YesNo
18609710IMPROVED PROCESS AND APPARATUS FOR THE REVERSIBLE ADSORBTION OF CARBON DIOXIDEMarch 2024February 2025Allow1110NoNo
18609819THERMAL STRIPPING UREA PLANT AND PROCESSMarch 2024February 2025Allow1110NoNo
18609842THERMAL STRIPPING UREA PLANT AND PROCESSMarch 2024August 2024Allow510NoNo
18605921PYROLYSERMarch 2024November 2024Allow810NoNo
18606168DIRECT SOLAR DESALINATION WITH ATOMIZED DROPLETS AND HEAT RECOVERYMarch 2024May 2025Allow1431NoNo
18692124MULTIPRODUCT LOW BIURET UREA PRODUCTIONMarch 2024October 2024Allow810NoNo
18601930SYSTEMS AND METHODS FOR REFORMING A HEAVY AROMATIC STREAMMarch 2024November 2024Allow800NoNo
18600060FINE MINERAL MATTER FOR UPGRADING THE QUALITY OF THE PRODUCTS OF THERMAL OR CATALYTIC CRACKING OR IN-SITU HEAVY OIL CATALYTIC CRACKINGMarch 2024October 2024Allow700YesNo
18599190APPARATUS FOR THE HYDROGENATION OF OLEFINSMarch 2024September 2024Allow700NoNo
18595761SYSTEMS AND METHODS FOR SINGLE HEADER GLYCOL DISTRIBUTION FOR MULTIPLEXED HEAT EXCHANGERSMarch 2024June 2025Allow1510NoNo
18595051HEAT STORAGE IN CHEMICAL REACTORSMarch 2024February 2025Allow1110NoNo
18591606PROCESSES FOR CONVERTING C2-C5 HYDROCARBONS TO GASOLINE AND DIESEL FUEL BLENDSTOCKSFebruary 2024April 2025Abandon1310NoNo
18588522METHOD FOR PREPARING HYDROCARBON-ENRICHED OILFebruary 2024October 2024Allow820NoNo
18444787METHOD AND SYSTEM FOR PRODUCING REFINED HYDROCARBONS FROM WASTE PLASTICSFebruary 2024March 2025Allow1320NoNo
18581265METHODS AND SYSTEMS FOR CO-FEEDING WASTE PLASTICS INTO A REFINERYFebruary 2024September 2024Allow600NoNo
18444992CARBON CAPTURE SYSTEMSFebruary 2024November 2024Allow910NoNo
18581008CARBON CAPTURE SYSTEMSFebruary 2024June 2025Allow1610NoNo
18443363AMMONIA STRIPPING DEVICE, AND RESOURCE RECOVERY TYPE HIGH CONCENTRATION WASTEWATER TREATMENT SYSTEM USING THE SAMEFebruary 2024June 2025Allow1610YesNo
18442105METHOD AND SYSTEM FOR PRODUCING REFINED HYDROCARBONS FROM WASTE PLASTIC PYROLYSIS OILFebruary 2024March 2025Allow1320YesNo
18442122METHOD AND SYSTEM FOR PRODUCING REFINED HYDROCARBONS FROM WASTE PLASTICSFebruary 2024March 2025Allow1320NoNo
18441386Method and Device for Refining Waste Plastic Pyrolysis OilFebruary 2024June 2025Allow1620NoNo
18434807METHOD AND SYSTEM FOR PRODUCING REFINED HYDROCARBONS FROM WASTE PLASTIC PYROLYSIS OILFebruary 2024October 2024Allow810YesNo
18434811METHOD AND SYSTEM FOR PRODUCING REFINED HYDROCARBONS FROM WASTE PLASTIC PYROLYSIS OILFebruary 2024August 2024Allow610NoNo
18433413METHOD AND SYSTEM FOR PRODUCING REFINED HYDROCARBONS FROM WASTE PLASTIC PYROLYSIS OILFebruary 2024March 2025Allow1420YesNo
18433580SOLID OXIDE AND CHEMICALLY-TREATED SOLID OXIDE CATALYSTS FOR THE PYROLYSIS OF POLYETHYLENEFebruary 2024July 2024Allow510NoNo
18432002Efficient Atmospheric Water Generator with Vacuum Water Vapor Compression for Single or Dual Desiccant Heat ExchangeFebruary 2024July 2024Allow610NoNo
18427821METHOD AND SYSTEM FOR PRODUCING REFINED HYDROCARBONS FROM WASTE PLASTIC PYROLYSIS OILJanuary 2024June 2024Allow400NoNo
18422760LOW DUSTING, SMALL CLUMPING HIGHLY ABSORPTIVE ANIMAL LITTERJanuary 2024May 2025Allow1620NoNo
18421962FULL RECOVERY PROCESSES FOR CARBON DIOXIDE DISCHARGED FROM CATALYTIC CRACKING REGENERATION DEVICESJanuary 2024April 2025Abandon1420NoNo
18290905RAW-MATERIAL SUPPLY SYSTEM AND RAW-MATERIAL SUPPLY METHODJanuary 2024January 2025Allow1100NoNo
18417225MULTIPHASE OLIGOMERIZATION PROCESS FOR CONVERTING OLEFINS TO JETJanuary 2024December 2024Allow1110NoNo
18417926METHODS FOR PRODUCING JET FUEL FROM ALCOHOLS AND MIXTURES CONTAINING ALCOHOLSJanuary 2024July 2024Allow610NoNo
18575096DEVICE AND METHOD FOR CONTINUOUS LOW-TEMPERATURE PYROLYSISJanuary 2024April 2025Allow1520YesNo
18415851REACTION CHAMBER FOR SUPERCRITICAL WATER OXIDATION REACTORJanuary 2024March 2025Allow1401NoNo
18415803WATER VAPOR DISTILLATION APPARATUS, METHOD AND SYSTEMJanuary 2024June 2025Allow1740NoNo
18409166ON-SITE SOLVENT GENERATION AND MAKEUP FOR TAR SOLVATION IN AN OLEFIN PLANTJanuary 2024August 2024Allow700YesNo
18407459METHOD AND SYSTEM FOR PRODUCING REFINED HYDROCARBONS FROM WASTE PLASTICSJanuary 2024March 2025Allow1421NoNo
18408382APPARATUS, SYSTEM, AND METHOD FOR SHALE PYROLYSISJanuary 2024April 2025Allow1610YesNo
18544924DIMERIZATION OF CYCLOPENTADIENE FROM SIDE STREAM FROM DEBUTANIZERDecember 2023August 2024Allow800YesNo
18541530SYSTEMS AND METHODS FOR INTEGRATED MANAGEMENT OF ASSOCIATED GAS AND PRODUCED WATER AT OIL WELL EXTRACTION SITESDecember 2023February 2025Abandon1410NoNo

Appeals Overview

This analysis examines appeal outcomes and the strategic value of filing appeals for art-unit 1772.

Patent Trial and Appeal Board (PTAB) Decisions

Total PTAB Decisions
202
Examiner Affirmed
144
(71.3%)
Examiner Reversed
58
(28.7%)
Reversal Percentile
30.4%
Lower than average

What This Means

With a 28.7% reversal rate, the PTAB affirms the examiner's rejections in the vast majority 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
862
Allowed After Appeal Filing
283
(32.8%)
Not Allowed After Appeal Filing
579
(67.2%)
Filing Benefit Percentile
50.6%
Higher 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, 32.8% of applications that filed an appeal were subsequently allowed. This appeal filing benefit rate is above the USPTO average, suggesting that filing an appeal can be an effective strategy for prompting 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 is strategically valuable. The act of filing often prompts favorable reconsideration during the mandatory appeal conference.

Art Unit 1772 - Prosecution Statistics Summary

Executive Summary

Art Unit 1772 is part of Group 1770 in Technology Center 1700. This art unit has examined 15,484 patent applications in our dataset, with an overall allowance rate of 69.8%. Applications typically reach final disposition in approximately 27 months.

Comparative Analysis

Art Unit 1772's allowance rate of 69.8% 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 1772 receive an average of 1.68 office actions before reaching final disposition (in the 36% percentile). The median prosecution time is 27 months (in the 60% 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.