USPTO Examiner BARRY CHESTER T - Art Unit 1779

Recent Applications

Detailed information about the 100 most recent patent applications.

Application NumberTitleFiling DateDisposal DateDispositionTime (months)Office ActionsRestrictionsInterviewAppeal
19048586NANOCOMPOSITE FOR PURIFICATION OF CONTAMINATED WATERFebruary 2025March 2025Allow100NoNo
19039812METHOD FOR PURIFYING POLLUTED WATERJanuary 2025March 2025Allow210NoNo
19019656WATER TREATMENT MATERIAL, PREPARATION, AND USE FOR ELECTRICALLY ENHANCED ADSORPTIVE FILTRATIONJanuary 2025May 2025Allow410YesNo
19001707COF@HYDROMAGNESITE COMPOSITE MATERIAL AND PREPARATION METHOD AND APPLLICATION THEREOFDecember 2024March 2025Allow200NoNo
18934939SULFER-DOPED SILVER TUNGSTATE (AG2WO4) NANOPARTICLES FOR WATER DECONTAMINATIONNovember 2024January 2025Allow210NoNo
18923553Low-carbon near zero emission process of industrial waste waterOctober 2024May 2025Allow720YesNo
18882384TREATING COOLING WATER IN IRON PRODUCTION FACILITIES, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODSSeptember 2024March 2025Allow610YesNo
18771104Methods and Systems of PFAS Destruction using UV Irradiation at 222 NanometersJuly 2024January 2025Allow610NoNo
18756900ANIMAL HUSBANDRY NUTRIENT AND ODOR MANAGEMENT SYSTEMJune 2024February 2025Allow820NoNo
18624536Apparatus, Systems And Methods For Storing, Treating And/Or Processing Blood And Blood ComponentsApril 2024August 2024Allow500NoNo
18592597GAS SEPARATION APPARATUS and METHOD OF GAS SEPARATIONMarch 2024June 2025Allow1500NoNo
18590948FILTER MEDIA RIBBONS WITH NANOFIBERS FORMED THEREONFebruary 2024April 2025Abandon1310NoNo
18444801TREATMENT OF WASTEWATER BY AEROBIC GRANULAR BIOMASS IN CONTINUOUS FLOWFebruary 2024July 2024Allow520NoNo
18425489REMOVAL OF ARSENIC BY LOOFAH SPONGE ENRICHED WITH STEAM ACTIVATED BIOCHARJanuary 2024October 2024Allow910NoNo
18416844PROCESS OF PURIFICATION OF PROTEINJanuary 2024June 2024Allow500NoNo
18521289CONTAMINANT REMOVAL BY ZERO-VALENT IRON-BASED GREEN SORPTION MEDIANovember 2023February 2024Allow210NoNo
18511968PREPARATION METHOD AND APPLICATION OF CLAY/TANNIC ACID/METAL ION COMPOSITE MATERIAL FOR EFFICIENT ADSORPTION OF ANTIBIOTICSNovember 2023April 2024Allow510NoNo
18385519SURFACE WATER BIOSOURCE AUGMENTATION PRODUCTION AND DISTRIBUTION SYSTEMOctober 2023April 2025Allow1720NoNo
18380763SYNTHESIS OF AMINO-RICH MESOPOROUS SILICA NANOPARTICLES FOR REMOVAL OF HEAVY METAL AND URANIUM CATIONSOctober 2023April 2024Allow610NoNo
18287034METHOD FOR DEODORIZING SLUDGE WITH METAL SALT AND TANNIN EXTRACT TOGETHER, DEODORIZED SLUDGE, AND USE THEREOFOctober 2023February 2024Allow410YesNo
18379374ADSORBENT USING BIOWASTE AND PLASTIC WASTE FOR WASTEWATER TREATMENTOctober 2023December 2023Allow200NoNo
18378297ACTIVATED CARBON COMPOSITE FLAKES USING OLIVE STONE- POLYETHYLENE WASTEOctober 2023December 2023Allow300NoNo
18367766MICROPORE ULTRASONIC DISINTEGRATION DEVICE FOR SLUDGE CELL DISINTEGRATIONSeptember 2023March 2024Allow600NoNo
18241272WATER TREATMENT FOR REMOVING PFASSeptember 2023January 2025Allow1710NoNo
18239405INTRADIALYTIC USE OF SODIUM THIOSULFATEAugust 2023April 2025Allow1910NoNo
18353070RECYCLING TREATMENT EQUIPMENT FOR RECYCLING HEAVY METALS FROM COMPLEXED HEAVY METAL WASTEWATERJuly 2023January 2024Allow610NoNo
18213870PINCH VALVE FOR SOIL EXTRUSION SYSTEMJune 2023September 2024Allow1500NoNo
18211747PREPARING MAGNETITE AND AKAGAN�ITE NANOPARTICLES FROM STEEL SLAG AS A RAW MATERIAL FOR WASTEWATER TREATMENTJune 2023November 2023Allow500NoNo
18328048HYDROCARBON AND SULFIDE REMOVAL IN DIRECT AQUEOUS EXTRACTIONJune 2023June 2025Allow2430YesNo
18202094Low Cost Technology Municipal Wastewater Treatment for Safe Irrigation ReuseMay 2023August 2023Allow300NoNo
18195999Body Temperature Measurement Devices, Methods, and SystemsMay 2023September 2024Allow1700NoNo
18138262DECONTAMINATION OF WATER USING GUAR GUM DERIVATIVES AND APPLICATIONS THEREOFApril 2023September 2023Allow510NoNo
18134810ION EXCHANGE SYSTEMS AND METHODS FOR ION EXCHANGING GLASS ARTICLESApril 2023April 2024Allow1200NoNo
18301001RAINWATER PROCESSING SYSTEM AND PROCESSING STEPS FOR PRODUCING POTABLE FUNCTIONAL WATERApril 2023November 2024Allow1920YesNo
18299366Integrated Device and Treatment Method for Synchronous Ecological Treatment of Domestic Sewage and SludgeApril 2023April 2024Allow1220NoNo
18298168Systems and Methods for Carbon Sequestration Using Enhanced WeatheringApril 2023May 2024Allow1311NoNo
18132044SYSTEM AND METHOD FOR REMOVAL OF PERFLUOROALKYL AND POLYFLUOROALKYL SUBSTANCES (PFAS) AND MICRO-CONSTITUENTS FROM LEACHATE TREATMENT RESIDUAL WASTE STREAMSApril 2023September 2024Allow1810NoNo
18180642METHODS OF TREATING METAL CARBONATE SALTSMarch 2023October 2023Allow700NoNo
18172621ANTIMICROBIAL CAPTURE SYSTEM WITH CARBON CONTAINERFebruary 2023April 2024Allow1310NoNo
18111348Universal Chemical Processor with Radioisotope SourceFebruary 2023September 2023Allow710NoNo
18170378STORMWATER TREATMENT DEVICEFebruary 2023May 2025Allow2700YesNo
18170392METHODS OF PRODUCING A SYNGAS COMPOSITIONFebruary 2023August 2023Allow610NoNo
18165366METHOD OF MAKING NANOCOMPOSITE FROM DATE PALM TREE AND SAUDI BENTONITEFebruary 2023June 2025Allow2900NoNo
18164194BIOPOLYMERIC WATER TREATMENTFebruary 2023December 2023Allow1010NoNo
18159769SYNERGISTIC ZERO-VALENT IRON-BASED GREEN SORPTION MEDIA FOR CONTAMINANT REMOVALJanuary 2023September 2023Allow811YesNo
18100908Compositions And Methods For Reduction Of Free Chlorine And Related OdorJanuary 2023October 2024Allow2010NoNo
18100227BIODESALINATION USING MICROBIAL ATTACHED GROWTH CULTIVATIONJanuary 2023February 2025Allow2530NoNo
18098845COLOR REMOVAL SYSTEM AND METHODJanuary 2023February 2025Allow2520NoNo
18064736SELF-REGENERABLE FIBROUS ADSORBENT FOR HEAVY METAL ADSORPTIONDecember 2022April 2025Allow2800NoNo
17987915MODIFIED NANOCLAY FOR HEAVY METAL AND SALT REMOVAL FROM WATERNovember 2022May 2023Allow610NoNo
17982085METAL POWDER MIXTURE AS HEAT SOURCE FOR TREATING ENVIRONMENTAL MEDIUMNovember 2022June 2025Allow3120NoNo
17971367LIGNIN-BASED HIERARCHICAL POROUS CARBON WITH HIGH SPECIFIC SURFACE AREA AND PREPARATION METHOD AND APPLICATION THEREOFOctober 2022March 2023Allow510NoNo
17959086IMPROVED ION LITHIUM EXTRACTION APPARATUSOctober 2022March 2023Allow520NoNo
17959253SYSTEM FOR TREATMENT AND DISINFECTION OF INDUSTRIAL EFFLUENTSOctober 2022February 2024Allow1710NoNo
17930771Universal Chemical ProcessorSeptember 2022December 2024Allow2830YesNo
17895942Trivalent Doped Cerium Oxide Compositions for Biological Contaminant RemovalAugust 2022April 2025Allow3200NoNo
17892284MULTI-STAGE DIRECT CONTACT MEMBRANE DISTILLATION SYSTEM AND PROCESSAugust 2022April 2025Allow3200NoNo
17882489SYSTEM FOR PURIFYING FRESH, COMBINED AND SALINE WASTEWATER FROM RADIOACTIVE HEAVY METALSAugust 2022June 2023Allow1100NoNo
17796364SEPARATION MEMBRANE AND METAL ORGANIC FRAMEWORKJuly 2022March 2025Allow3200NoNo
17795259APPARATUS AND METHOD FOR PREPARING DIALYZATEJuly 2022May 2025Allow3310NoNo
17759326Method and device for water purification using metal-organic materialJuly 2022March 2025Allow3200YesNo
17794224SOLVENT-RESISTANT POLYMERIC NANOFILTRATION MEMBRANE, PREPARATION METHOD AND USE THEREOFJuly 2022December 2024Allow2900NoNo
17865721PRODUCT FOR PFAS ADSORPTIONJuly 2022March 2025Allow3210NoNo
17812661METHOD FOR SOFTENING WATER WITH SPLIT-TYPE WATER SOFTENERJuly 2022June 2025Abandon3510NoNo
17860870SYSTEMS OF GAS INFUSION FOR WASTEWATER TREATMENTJuly 2022June 2023Allow1220NoNo
17791444CONSTRUCTED WETLAND SYSTEM ENHANCED BY IMMOBILIZED LACCASEJuly 2022January 2025Allow3010NoNo
17858518METHOD FOR REMOVING ORGANIC POLLUTANTS FROM WATERJuly 2022May 2023Allow1010NoNo
17810893FILTER DEVICE FOR A WATER-BEARING DOMESTIC APPLIANCE, A WATER-BEARING DOMESTIC APPLIANCE WITH A FILTER DEVICE AND A METHOD FOR FILTERING WATER WITH A FILTER DEVICEJuly 2022April 2025Allow3310NoNo
17854784FILTER and METAL ION REMOVING METHODJune 2022February 2024Allow1920NoNo
17855776Wastewater Treatment System for Improved Primary Treatment and Volatile Fatty Acid GenerationJune 2022January 2025Allow3110NoNo
17790336METHOD AND SYSTEM FOR WASTE TREATMENTJune 2022March 2025Allow3310NoNo
17841774COMPOSITE AND METHOD FOR REMOVING DISSOLVED ORGANIC MATTER FROM WATERJune 2022July 2024Allow2510NoNo
17841756Regenerable Nanoparticle for Removing Manganese and Preparatory and Use MethodsJune 2022December 2024Allow3010NoNo
17838564SYSTEMS AND METHODS FOR AUTOMATED CONTROL OF MIXING AND AERATION IN TREATMENT PROCESSESJune 2022August 2024Allow2620YesNo
17834608METHOD FOR REMOVING A POLLUTANT FROM AQUEOUS SOLUTION WITH A CROSSLINKED POLYMERJune 2022January 2023Allow700NoNo
17834245WATER FILTRATION AND AERATION UNITJune 2022January 2025Allow3210NoNo
17805628SORBENTS FOR IMMERSION COOLINGJune 2022December 2024Allow3000NoNo
17756783Electroactive Bio-Carrier Module and Sewage Treatment Device with SameJune 2022January 2025Allow3110NoNo
17804574FILTRATION APPARATUS AND CONTROL METHOD THEREOFMay 2022January 2025Allow3210NoNo
17826967METHODS OF TREATING METAL CARBONATE SALTSMay 2022October 2022Allow520NoNo
17826956NANOSTRUCTURED CERAMIC MEMBRANES FOR HYDROGEN ISOTOPE SEPARATIONMay 2022January 2025Allow3210NoNo
17824370METHOD FOR WASTEWATER TREATMENTMay 2022March 2025Allow3421NoNo
17779269Gas-Liquid Separation Device and Refrigeration Cycle ApparatusMay 2022March 2025Abandon3400NoNo
17750986RAPID REDUCTION OF AQUEOUS SELENATE WITH CHROMOUS IONSMay 2022September 2023Allow1610NoNo
17778418TREATMENT SYSTEM FOR CEPHALOSPORIN WASTEWATER AND TREATMENT METHOD THEREOFMay 2022January 2023Allow800NoNo
17776820COALESCING FILTER ELEMENT AND MULTI-PHASIC FLUID SEPARATING METHODMay 2022February 2025Allow3310NoNo
17739850BIOLOGICAL SOLIDS PROCESSINGMay 2022October 2024Abandon2920NoNo
17739285DECONTAMINATION APPARATUS FOR EFFLUENTSMay 2022November 2023Allow1820NoNo
17714623PHOSPHORUS REDUCTION SYSTEMApril 2022April 2025Allow3730YesNo
17712404FLOATING-ISLAND TYPE ARTIFICIAL WETLAND TREATMENT SYSTEM BASED ON LAKE CENTER PLATFORMApril 2022September 2023Allow1800NoNo
17709716REMOVING CONTAMINANTS FROM WATER WITH ADSORBENTSMarch 2022December 2023Allow2010NoNo
17699371SYSTEMS AND METHODS FOR PRODUCING ULTRAPURE WATER FOR SEMICONDUCTOR FABRICATION PROCESSESMarch 2022September 2024Allow3011NoNo
17761680METHOD OF MAKING METAL-IMPREGNATED OXYGENATED HIERARCHICALLY POROUS CARBONMarch 2022August 2023Allow1710NoNo
17698276DEEPWATER CABIN-BASED CONSTRUCTED WETLAND TREATMENT SYSTEMMarch 2022August 2023Allow1700NoNo
17696359COMPOSITIONS AND METHODS FOR REMEDIATING HYDROGEN SULFIDE IN HYDROCARBON BASED LIQUIDSMarch 2022September 2024Allow3020NoNo
17688616FILTER MEDIA RIBBONS WITH NANOFIBERS FORMED THEREONMarch 2022December 2023Allow2120NoNo
17653081SYSTEMS FOR WATER BLENDING CONTROLMarch 2022October 2023Allow1910NoNo
17680670APPARATUS AND A METHOD FOR USING PERMEATE TO FLUSH A REVERSE OSMOSIS FILTERFebruary 2022February 2024Allow2430YesNo
17681283Universal Chemical Processor with Radioisotope SourceFebruary 2022November 2022Allow921YesNo
17675794PROCESSING COOLING TOWER BLOWDOWN TO PRODUCE FERTILIZERFebruary 2022October 2023Allow1910NoNo

Appeals Overview

This analysis examines appeal outcomes and the strategic value of filing appeals for examiner BARRY, CHESTER T.

Patent Trial and Appeal Board (PTAB) Decisions

Total PTAB Decisions
4
Examiner Affirmed
4
(100.0%)
Examiner Reversed
0
(0.0%)
Reversal Percentile
2.8%
Lower than average

What This Means

With a 0.0% 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
24
Allowed After Appeal Filing
6
(25.0%)
Not Allowed After Appeal Filing
18
(75.0%)
Filing Benefit Percentile
30.7%
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, 25.0% 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.

Examiner BARRY, CHESTER T - Prosecution Strategy Guide

Executive Summary

Examiner BARRY, CHESTER T works in Art Unit 1779 and has examined 1,094 patent applications in our dataset. With an allowance rate of 86.4%, this examiner has an above-average tendency to allow applications. Applications typically reach final disposition in approximately 25 months.

Allowance Patterns

Examiner BARRY, CHESTER T's allowance rate of 86.4% places them in the 59% percentile among all USPTO examiners. This examiner has an above-average tendency to allow applications.

Office Action Patterns

On average, applications examined by BARRY, CHESTER T receive 1.35 office actions before reaching final disposition. This places the examiner in the 28% percentile for office actions issued. This examiner issues fewer office actions than average, which may indicate efficient prosecution or a more lenient examination style.

Prosecution Timeline

The median time to disposition (half-life) for applications examined by BARRY, CHESTER T is 25 months. This places the examiner in the 65% percentile for prosecution speed. Prosecution timelines are slightly faster than average with this examiner.

Interview Effectiveness

Conducting an examiner interview provides a +9.8% benefit to allowance rate for applications examined by BARRY, CHESTER T. This interview benefit is in the 45% percentile among all examiners. Recommendation: Interviews provide a below-average benefit with this examiner.

Request for Continued Examination (RCE) Effectiveness

When applicants file an RCE with this examiner, 34.5% of applications are subsequently allowed. This success rate is in the 71% percentile among all examiners. Strategic Insight: RCEs show above-average effectiveness with this examiner. Consider whether your amendments or new arguments are strong enough to warrant an RCE versus filing a continuation.

After-Final Amendment Practice

This examiner enters after-final amendments leading to allowance in 61.3% of cases where such amendments are filed. This entry rate is in the 83% percentile among all examiners. Strategic Recommendation: This examiner is highly receptive to after-final amendments compared to other examiners. Per MPEP § 714.12, after-final amendments may be entered "under justifiable circumstances." Consider filing after-final amendments with a clear showing of allowability rather than immediately filing an RCE, as this examiner frequently enters such amendments.

Pre-Appeal Conference Effectiveness

When applicants request a pre-appeal conference (PAC) with this examiner, 150.0% result in withdrawal of the rejection or reopening of prosecution. This success rate is in the 88% percentile among all examiners. Strategic Recommendation: Pre-appeal conferences are highly effective with this examiner compared to others. Before filing a full appeal brief, strongly consider requesting a PAC. The PAC provides an opportunity for the examiner and supervisory personnel to reconsider the rejection before the case proceeds to the PTAB.

Appeal Withdrawal and Reconsideration

This examiner withdraws rejections or reopens prosecution in 81.0% of appeals filed. This is in the 71% percentile among all examiners. Of these withdrawals, 52.9% occur early in the appeal process (after Notice of Appeal but before Appeal Brief). Strategic Insight: This examiner shows above-average willingness to reconsider rejections during appeals. The mandatory appeal conference (MPEP § 1207.01) provides an opportunity for reconsideration.

Petition Practice

When applicants file petitions regarding this examiner's actions, 41.1% are granted (fully or in part). This grant rate is in the 41% percentile among all examiners. Strategic Note: Petitions show below-average success regarding this examiner's actions. Ensure you have a strong procedural basis before filing.

Examiner Cooperation and Flexibility

Examiner's Amendments: This examiner makes examiner's amendments in 0.8% of allowed cases (in the 66% percentile). This examiner makes examiner's amendments more often than average to place applications in condition for allowance (MPEP § 1302.04).

Quayle Actions: This examiner issues Ex Parte Quayle actions in 2.5% of allowed cases (in the 68% percentile). This examiner issues Quayle actions more often than average when claims are allowable but formal matters remain (MPEP § 714.14).

Prosecution Strategy Recommendations

Based on the statistical analysis of this examiner's prosecution patterns, here are tailored strategic recommendations:

  • Consider after-final amendments: This examiner frequently enters after-final amendments. If you can clearly overcome rejections with claim amendments, file an after-final amendment before resorting to an RCE.
  • Request pre-appeal conferences: PACs are highly effective with this examiner. Before filing a full appeal brief, request a PAC to potentially resolve issues without full PTAB review.

Relevant MPEP Sections for Prosecution Strategy

  • MPEP § 713.10: Examiner interviews - available before Notice of Allowance or transfer to PTAB
  • MPEP § 714.12: After-final amendments - may be entered "under justifiable circumstances"
  • MPEP § 1002.02(c): Petitionable matters to Technology Center Director
  • MPEP § 1004: Actions requiring primary examiner signature (allowances, final rejections, examiner's answers)
  • MPEP § 1207.01: Appeal conferences - mandatory for all appeals
  • MPEP § 1214.07: Reopening prosecution after appeal

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.