USPTO Examiner MCCULLOUGH ERIC J - Art Unit 1773

Recent Applications

Detailed information about the 100 most recent patent applications.

Application NumberTitleFiling DateDisposal DateDispositionTime (months)Office ActionsRestrictionsInterviewAppeal
18653090Water Filter and Medium ThereforMay 2024April 2025Abandon1111NoNo
18382884SYSTEM AND METHOD FOR ELECTRICALLY CONDUCTIVE MEMBRANE SEPARATIONOctober 2023September 2024Allow1111NoNo
18280280HIGH-FLUX SILICON CARBIDE CERAMIC FILTER MEMBRANE AND PREPARATION METHOD THEREOFSeptember 2023December 2024Allow1621YesNo
18220916HIGH-FLUX COMPOSITE NANOFILTRATION (NF) MEMBRANE WITH ELECTRICAL DOUBLE LAYER (EDL), AND PREPARATION METHOD AND USE THEREOFJuly 2023February 2024Allow710YesNo
18195735Photothermal Photocatalytic Membrane for Seawater Desalination And Uranium Extraction And Preparation Method ThereforMay 2023December 2023Allow710NoNo
18123591Composite Poly (Aryl Ether Ketone) Membranes, Their Preparation And Use ThereofMarch 2023July 2023Allow410NoNo
18022126FLAT CERAMIC MEMBRANEFebruary 2023April 2025Abandon2640NoNo
18070179Spiral Wound Element ConstructionNovember 2022May 2024Abandon1810NoNo
17970595PHENYL-MODIFIED POLYDIMETHYLSILOXANE (PDMS) SEPARATION MEMBRANE, FABRICATION METHOD THEREOF, AND USE THEREOF IN SEPARATION OF AROMATIC COMPOUNDOctober 2022February 2024Allow1621NoNo
17942932DENDRIMERIC CARBON DOT-POLYAMIDE MEMBRANESSeptember 2022December 2024Allow2720NoNo
17868342FORWARD OSMOSIS MEMBRANE HAVING LOW WATER RESISTANCE AND EXCELLENT MECHANICAL STRENGTHJuly 2022April 2025Abandon3310NoNo
17854143HIGH PERMEANCE NANOFILTRATION MEMBRANE WITH NANORING-LIKE STRUCTURE AND PREPARATION METHOD THEREOFJune 2022January 2025Allow3120NoNo
17845667SYSTEM AND METHOD FOR ELECTRICALLY CONDUCTIVE MEMBRANE SEPARATIONJune 2022February 2024Allow2040YesNo
17757093WET NON-WOVEN FABRIC, PREPARATION METHOD THEREFOR AND WATER TREATMENT MEMBRANE CONTAINING WET NON-WOVEN FABRICJune 2022March 2024Abandon2120NoNo
17825110SYSTEMS AND METHODS FOR PURIFYING AQUEOUS SOLUTIONSMay 2022January 2024Abandon1910NoNo
17737211Composite Poly (Aryl Ether Ketone) Membranes, Their Preparation And Use ThereofMay 2022February 2023Allow921YesNo
17732398THERMAL ENERGY CONVERSION SUBMERGED REVERSE OSMOSIS DESALINATION SYSTEMApril 2022July 2023Allow1421YesNo
17723220LIGHT-DRIVEN FILTRATION ANTIBACTERIAL COMPOSITE MEMBRANE AND PREPARATION METHOD AND USE THEREOFApril 2022February 2025Allow3410NoNo
17711798PLASMA ACTIVATED WATER PRODUCTION WITH MEMBRANE CONCENTRATIONApril 2022March 2025Allow3521NoNo
17704613Nanocarbon Enhanced Membrane for Purification and Dewatering of Solvents and FuelsMarch 2022December 2024Allow3330YesNo
17700741Nanocarbon Immobilized Membrane for Bacterial Deactivation and Endotoxin Removal Via Membrane DistillationMarch 2022September 2023Abandon1810NoNo
17653096ASYMMETRICALLY POROUS ION EXCHANGE MEMBRANES AND THEIR METHOD OF MANUFACTUREMarch 2022May 2025Abandon3910NoNo
17652146USE OF EXTENDED SURFACTANTS IN PROCESS MEMBRANE CLEANINGFebruary 2022February 2025Allow3610NoNo
17637169METHOD OF MANUFACTURING PVDF COMPOSITE SEPARATION MEMBRANE AND PVDF COMPOSITE SEPARATION MEMBRANE MANUFACTURED USING THE SAMEFebruary 2022October 2024Allow3200NoNo
17673738SOLID PHASE EXTRACTION DISKFebruary 2022June 2024Allow2820YesNo
17633800WATER BALANCE IMPROVEMENT lN AN EFFLUENT TREATMENT PROCESS FOR SULPHATE REMOVALFebruary 2022June 2025Allow4120NoNo
17591692IMIDAZOLE COVALENT ORGANIC FRAMEWORKFebruary 2022July 2024Allow3010NoNo
17579209CROSSLINKED PROTEIN-BASED SEPARATION MEMBRANE AND APPLICATION THEREOFJanuary 2022March 2024Allow2620NoNo
17645203SUPERHYDROPHOBIC MEMBRANES AND METHODS OF MAKING AND USING SAMEDecember 2021February 2024Abandon2620NoNo
17645186SUPERHYDROPHOBIC MEMBRANES AND METHODS OF MAKING AND USING SAMEDecember 2021February 2024Abandon2620NoNo
17545104SOLAR-THERMAL MEMBRANE FOR DEWATERING AQUEOUS ORGANIC-ACID SOLUTIONSDecember 2021March 2025Allow3941YesNo
17616956SYSTEMS AND APPARATUSES FOR TREATING WATERDecember 2021January 2025Abandon3710NoNo
17518110HIGH PERMEABILITY FORWARD OSMOSIS MEMBRANE CONTAINING SILICA NANOPARTICLES AND MANUFACTURING METHOD THEREOFNovember 2021March 2024Abandon2920NoNo
17512532STRAINER AND AN ASSOCIATED PUMPING METHODOctober 2021December 2024Abandon3820NoNo
17492812SYSTEMS AND DEVICES OF A FOAM FILTER HOUSINGOctober 2021November 2024Abandon3720NoNo
17488897Membranes for Removing Metallic Species from AminesSeptember 2021March 2024Allow3021YesNo
17481188FUNCTIONALIZED FILTERSSeptember 2021May 2024Abandon3231NoNo
17439474DOUBLE-WATER-OUTPUT CYLINDRICAL INTEGRATED WATER PURIFIERSeptember 2021June 2025Allow4520NoNo
17377934FLUID CIRCUITS FOR SORBENT CARTRIDGES WITH SENSORSJuly 2021March 2024Allow3210NoNo
17364940Water Purification DeviceJuly 2021February 2024Allow3110NoNo
17354921COMPOSITE FILTER MEDIAJune 2021June 2025Abandon4840YesNo
17350507SOLVENT ACTIVATION PROCESS FOR ENHANCING THE SEPARATION PERFORMANCE OF THIN FILM COMPOSITE MEMBRANESJune 2021December 2024Abandon4221NoNo
17346890SUPER-ABSORBENT FILTER CAPABLE OF RAPIDLY AND ECONOMICALLY REMOVING MOISTURE IN LUBRICANTJune 2021December 2023Abandon3020NoNo
17413082HOLLOW FIBER MODULEJune 2021June 2025Allow4820NoNo
17303363Separation Membrane and Methods of Preparation ThereofMay 2021January 2025Allow4440YesNo
17297224DEVICE FOR PURIFYING A FLUID, IN PARTICULAR WASTE WATERMay 2021June 2025Abandon4921NoNo
17316113BIOCIDE COMPOSITION AND METHODMay 2021September 2024Allow4111NoNo
17243835METHOD AND APPARATUS FOR CONTROLLING THE PRODUCTION OF A HALOAMINE BIOCIDEApril 2021June 2025Abandon4941NoNo
17205391POTTED FLAT SHEET MEMBRANE FILTRATION MODULEMarch 2021February 2025Allow4730NoNo
17192380NANOPOROUS GRAPHENE MEMBRANESMarch 2021September 2023Allow3110NoNo
17273307PLASMA DENITRIFICATION DEVICE AND OPERATING METHOD THEREOFMarch 2021June 2025Abandon5221NoNo
17189086MEMBRANE FOR WATER PURIFICATIONMarch 2021January 2024Abandon3411NoNo
17174796MIXED MATRIX MEMBRANES, AND RELATED GAS SEPARATION MEMBRANE APPARATUSES, GASEOUS FLUID TREATMENT SYSTEMS, AND METHODSFebruary 2021April 2023Abandon2610NoNo
17263264CROSSLINKED PROTEIN-BASED SEPARATION MEMBRANE AND APPLICATION THEREOFJanuary 2021May 2022Abandon1620NoNo
17058927SPIRAL-STRUCTURED THREE DIMENSIONAL POROUS GRAPHENE OXIDE-BASED MEMBRANE FOR STABLE ULTRAFAST FILTRATIONNovember 2020August 2024Allow4521NoNo
17058257Filter Membrane Modifying Method Based On Metallic Oxide ParticlesNovember 2020March 2023Abandon2720NoNo
17076699Two-Sided Horizontal Flow Bioretention Stormwater SystemOctober 2020June 2022Allow2010YesNo
17034046METAL-ORGANIC FRAMEWORK MATERIAL/MEMBRANE COMPOSITE MATERIAL, PREPARATION METHOD AND USE THEREOFSeptember 2020October 2022Abandon2510NoNo
17034866SOLAR THERMAL MEMBRANE DISTILLATION SYSTEM FOR DRINKING WATER PRODUCTIONSeptember 2020August 2023Abandon3501NoNo
17023467Cleaning Device for PondsSeptember 2020December 2023Abandon3920NoNo
16978875FUNCTIONALISED MIXED MATRIX MEMBRANES AND METHOD OF PRODUCTIONSeptember 2020June 2023Abandon3330NoNo
16970102SUBSTRATE TREATMENTSAugust 2020February 2025Allow5460YesNo
16990183BASE MATERIAL FOR MEMBRANE FILTER AND METHOD FOR PRODUCING SAMEAugust 2020September 2022Allow2620YesNo
16947506Modification of membrane surfaces with amino acid polymersAugust 2020June 2023Abandon3420NoNo
16967366COMPOSITE SEPARATION MEMBRANEAugust 2020November 2022Allow2820YesNo
16966606FLUID SEPARATION MEMBRANEJuly 2020January 2024Abandon4120NoNo
16966826FLUORINE-BASED RESIN POROUS MEMBRANE AND METHOD FOR PREPARING THE SAMEJuly 2020September 2023Allow3830YesNo
16962528Modified Filter Membrane and MethodJuly 2020July 2023Abandon3530NoNo
16925353GRAPHENE FILTER MODULE FOR WATER TREATMENTJuly 2020January 2022Abandon1910NoNo
16923682WATER RECLAMATION SYSTEMJuly 2020November 2024Abandon5240YesNo
16960217GRAPHENE-BASED MATERIALS FOR THE EFFICIENT REMOVAL OF POLLUTANTS FROM WATERJuly 2020March 2024Abandon4431NoNo
16959872FUNCTIONALIZED SILICON NANOMEMBRANES AND USES THEREOFJuly 2020December 2024Abandon5331NoYes
16915125FILTER AND FILTER MEDIA FOR REMOVING ORGANIC ACID FROM WATERJune 2020November 2023Abandon4020NoNo
16955007GRAPHENE OXIDE MEMBRANE PROTECTIVE COATINGJune 2020January 2023Abandon3110NoNo
16758863COMBINED FIBER NONWOVEN FABRIC, LAMINATE, FILTRATION MEDIUM FOR FILTER AND METHOD THEREOFJune 2020September 2024Allow5360YesNo
16772559SYSTEMS AND METHODS FOR WATER PURIFICATIONJune 2020October 2022Abandon2810NoNo
16899884FILTER MEDIA COMPRISING FIBRILLATED FIBERS AND GLASS FIBERSJune 2020April 2023Abandon3430NoNo
16770823REMOVING METAL IONS WITH A MEMBRANE BASED ON ANIONIC POLYARYLENE ETHERSULFONE AND A CATIONIC POLYMER WITH AMINO GROUPSJune 2020December 2022Abandon3010NoNo
16891394Device for Cross Flow FiltrationJune 2020May 2024Allow4740NoNo
16889938SULFONATED AND HALIDE MEMBRANES OR SOLID MATERIALS WITH THERMO-RESPONSIVE SURFACE TREATMENTJune 2020June 2022Abandon2510NoNo
16768798DOUBLE-LAYERED CELLULOSE NANOFIBER MATERIAL, METHOD OF MANUFACTURING, MEMBRANES, AND USE THEREOFJune 2020September 2022Allow2730YesNo
16868430GRANULAR FILTRATION MEDIA MIXTURE AND USES IN WATER PURIFICATIONMay 2020February 2024Abandon4641NoNo
16861687ONE STEP INTEGRATION OF MEMBRANE DISTILLATION WITH DIRECT AIR-STRIPPINGApril 2020December 2022Abandon3230YesNo
16756962METHOD FOR PREPARATION OF WATER-TREATMENT SEPARATION MEMBRANE AND WATER-TREATMENT SEPARATION MEMBRANE PREPARED THEREBYApril 2020December 2023Allow4440YesNo
16848319NANOFILTRATION OR REVERSE OSMOSIS MEMBRANE MADE OF HARD CARBON FILM, FILTERING FILTER, TWO-LAYER-BONDED-TYPE FILTERING FILTER, AND METHODS FOR MANUFACTURING SAMEApril 2020April 2022Abandon2420NoNo
16842178FILTER MEDIA INCLUDING OUT-OF-PLANE SOLID ELEMENTS, METHODS OF FORMING THEM, AND USES THEREOFApril 2020February 2025Allow5950YesNo
16827992Composite Membrane for Industrial Water FiltrationMarch 2020January 2022Abandon2110NoNo
16825852Filters Having a Plurality of OpeningsMarch 2020December 2022Abandon3340NoNo
16826145MULTI-STAGE WATER FILTRATION SYSTEMMarch 2020April 2022Allow2420YesNo
16648189TURBOMACHINE CENTRIFUGAL BREATHER COMPONENT AND METHOD FOR MANUFACTURING SAID COMPONENTMarch 2020February 2024Allow4740NoNo
16644050METHOD OF PREPARATION OF CONDUCTIVE POLYMER/CARBON NANOTUBE COMPOSITE NANOFILTRATION MEMBRANE AND THE USE THEREOFMarch 2020December 2022Allow3311NoNo
16806094ZEOLITE MEMBRANE COMPLEX AND METHOD OF PRODUCING ZEOLITE MEMBRANE COMPLEXMarch 2020September 2022Allow3020YesNo
16803291ALL-NANOPOROUS HYBRID MEMBRANES COMPRISING ZEOLITES AND METAL-ORGANIC FRAMEWORKS SYNTHESIZED THERETHROUGHFebruary 2020October 2024Allow5620NoYes
16642218METHOD OF FILTRATION USING POROUS MEMBRANESFebruary 2020August 2022Allow3020NoNo
16636624SELECTIVELY PERMEABLE GRAPHENE OXIDE MEMBRANEFebruary 2020May 2022Abandon2720NoNo
16775488ULTRA-THIN, HIGH-POROSITY, TRACK-ETCHED MEMBRANESJanuary 2020January 2022Abandon2410NoNo
16776201WATER TREATMENT APPARATUS AND METHOD OF USEJanuary 2020April 2024Allow5140NoNo
16632960CARBON NANOTUBE MEMBRANEJanuary 2020October 2022Abandon3330NoNo
16631239FILTRATION METHOD USING POROUS MEMBRANEJanuary 2020August 2022Allow3120NoNo
16737493POROUS POLYMERIC HOLLOW FILTER MEMBRANEJanuary 2020May 2025Abandon6080NoNo

Appeals Overview

This analysis examines appeal outcomes and the strategic value of filing appeals for examiner MCCULLOUGH, ERIC J..

Patent Trial and Appeal Board (PTAB) Decisions

Total PTAB Decisions
12
Examiner Affirmed
10
(83.3%)
Examiner Reversed
2
(16.7%)
Reversal Percentile
26.5%
Lower than average

What This Means

With a 16.7% 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
40
Allowed After Appeal Filing
11
(27.5%)
Not Allowed After Appeal Filing
29
(72.5%)
Filing Benefit Percentile
37.5%
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, 27.5% 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 MCCULLOUGH, ERIC J. - Prosecution Strategy Guide

Executive Summary

Examiner MCCULLOUGH, ERIC J. works in Art Unit 1773 and has examined 354 patent applications in our dataset. With an allowance rate of 30.2%, this examiner allows applications at a lower rate than most examiners at the USPTO. Applications typically reach final disposition in approximately 42 months.

Allowance Patterns

Examiner MCCULLOUGH, ERIC J.'s allowance rate of 30.2% places them in the 2% percentile among all USPTO examiners. This examiner is less likely to allow applications than most examiners at the USPTO.

Office Action Patterns

On average, applications examined by MCCULLOUGH, ERIC J. receive 3.27 office actions before reaching final disposition. This places the examiner in the 98% percentile for office actions issued. This examiner issues more office actions than most examiners, which may indicate thorough examination or difficulty in reaching agreement with applicants.

Prosecution Timeline

The median time to disposition (half-life) for applications examined by MCCULLOUGH, ERIC J. is 42 months. This places the examiner in the 4% percentile for prosecution speed. Applications take longer to reach final disposition with this examiner compared to most others.

Interview Effectiveness

Conducting an examiner interview provides a +38.8% benefit to allowance rate for applications examined by MCCULLOUGH, ERIC J.. This interview benefit is in the 88% percentile among all examiners. Recommendation: Interviews are highly effective with this examiner and should be strongly considered as a prosecution strategy. Per MPEP § 713.10, interviews are available at any time before the Notice of Allowance is mailed or jurisdiction transfers to the PTAB.

Request for Continued Examination (RCE) Effectiveness

When applicants file an RCE with this examiner, 7.4% of applications are subsequently allowed. This success rate is in the 1% percentile among all examiners. Strategic Insight: RCEs show lower effectiveness with this examiner compared to others. Consider whether a continuation application might be more strategic, especially if you need to add new matter or significantly broaden claims.

After-Final Amendment Practice

This examiner enters after-final amendments leading to allowance in 16.7% of cases where such amendments are filed. This entry rate is in the 11% percentile among all examiners. Strategic Recommendation: This examiner rarely enters after-final amendments compared to other examiners. You should generally plan to file an RCE or appeal rather than relying on after-final amendment entry. Per MPEP § 714.12, primary examiners have discretion in entering after-final amendments, and this examiner exercises that discretion conservatively.

Pre-Appeal Conference Effectiveness

When applicants request a pre-appeal conference (PAC) with this examiner, 40.0% result in withdrawal of the rejection or reopening of prosecution. This success rate is in the 34% percentile among all examiners. Note: Pre-appeal conferences show below-average success with this examiner. Consider whether your arguments are strong enough to warrant a PAC request.

Appeal Withdrawal and Reconsideration

This examiner withdraws rejections or reopens prosecution in 60.0% of appeals filed. This is in the 30% percentile among all examiners. Of these withdrawals, 22.2% occur early in the appeal process (after Notice of Appeal but before Appeal Brief). Strategic Insight: This examiner shows below-average willingness to reconsider rejections during appeals. Be prepared to fully prosecute appeals if filed.

Petition Practice

When applicants file petitions regarding this examiner's actions, 76.9% are granted (fully or in part). This grant rate is in the 91% percentile among all examiners. Strategic Note: Petitions are frequently granted regarding this examiner's actions compared to other examiners. Per MPEP § 1002.02(c), various examiner actions are petitionable to the Technology Center Director, including prematureness of final rejection, refusal to enter amendments, and requirement for information. If you believe an examiner action is improper, consider filing a petition.

Examiner Cooperation and Flexibility

Examiner's Amendments: This examiner makes examiner's amendments in 0.0% of allowed cases (in the 6% percentile). This examiner rarely makes examiner's amendments compared to other examiners. You should expect to make all necessary claim amendments yourself through formal amendment practice.

Quayle Actions: This examiner issues Ex Parte Quayle actions in 0.0% of allowed cases (in the 6% percentile). This examiner rarely issues Quayle actions compared to other examiners. Allowances typically come directly without a separate action for formal matters.

Prosecution Strategy Recommendations

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

  • Prepare for rigorous examination: With a below-average allowance rate, ensure your application has strong written description and enablement support. Consider filing a continuation if you need to add new matter.
  • Expect multiple rounds of prosecution: This examiner issues more office actions than average. Address potential issues proactively in your initial response and consider requesting an interview early in prosecution.
  • Prioritize examiner interviews: Interviews are highly effective with this examiner. Request an interview after the first office action to clarify issues and potentially expedite allowance.
  • Plan for RCE after final rejection: This examiner rarely enters after-final amendments. Budget for an RCE in your prosecution strategy if you receive a final rejection.
  • Plan for extended prosecution: Applications take longer than average with this examiner. Factor this into your continuation strategy and client communications.

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.