USPTO Examiner LARKIN DANIEL SEAN - Art Unit 2855

Recent Applications

Detailed information about the 100 most recent patent applications.

Application NumberTitleFiling DateDisposal DateDispositionTime (months)Office ActionsRestrictionsInterviewAppeal
18973214MONITORING METHOD AND DEVICE OF DISSOLVED GREENHOUSE GASES IN WASTEWATERDecember 2024April 2025Allow410NoNo
18885944ENVIRONMENTAL MONITORING DEVICE FOR AIR POLLUTIONSeptember 2024February 2025Allow510NoNo
18778657OCCLUSION DETECTION FOR INFUSION PUMPSJuly 2024August 2025Allow1310NoNo
18738234QUANTITATIVE DETERMINATION DEVICE FOR BROMINATED FLAME-RETARDANT COMPOUNDSJune 2024September 2025Abandon1510NoNo
18736581EVALUATION METHOD FOR ECOLOGICAL PERFORMANCE OF ASPHALT-RELATED MATERIALJune 2024November 2024Allow610NoNo
18705197ACOUSTOPHORESIS DEVICES HAVING CONDUCTIVE ELECTRODES AND METHODSApril 2024December 2024Allow810NoNo
18641891DEVICE WITH AERATION MITIGATION FOR IMPROVED MEASUREMENT OF FLUIDSApril 2024May 2025Allow1310NoNo
18622234AMPHETAMINE CARBAMATE COMPOUNDS AND METHODSMarch 2024March 2025Allow1211NoNo
18697091MICROWAVE REFLECTION SENSOR CALIBRATION TOOL AND METHODSMarch 2024August 2024Allow510NoNo
18615290FLUIDIC DEVICE WITH FLUID PORT ORTHOGONAL TO FUNCTIONALIZED ACTIVE REGIONMarch 2024August 2025Allow1720NoNo
18585358FLUID ANALYSIS SYSTEMFebruary 2024September 2025Allow1820NoNo
18442730AUTOMATED TISSUE SECTION TRANSFER SYSTEM WITH HIGH THROUGHPUTFebruary 2024October 2025Allow2011NoNo
18427591SYSTEM AND METHOD FOR SENSORY CHARACTERIZATIONJanuary 2024February 2025Allow1210YesNo
18407364VEHICLE PERFORMANCE TEST DEVICEJanuary 2024February 2026Allow2600NoNo
18569002Modular Multi-Sensor Fire Detector, Adapter and Method for Simplified Installation on a WallDecember 2023July 2024Allow710NoNo
18533823METHOD FOR DISPLAYING CONCENTRATION DATA OF A SUBSTANCE AND AN ASSOCIATED APPARATUSDecember 2023December 2024Allow1310NoNo
18532674SENSOR DISCRIMINATORS AND METHODS FOR DETECTING ELECTRICAL PROPERTY CHANGES IN A METAL ORGANIC FRAMEWORKDecember 2023February 2025Allow1510NoNo
18524178GAS DENSIMETERNovember 2023November 2024Allow1210NoNo
18562472SEALNovember 2023September 2024Allow1010NoNo
18555564LIQUID CHROMATOGRAPH AND METHOD FOR CONTROLLING SAMEOctober 2023January 2026Allow2710NoNo
18487337SMART SENSING NETWORKOctober 2023December 2024Allow1420NoNo
18487924GAS ANALYTE SPECTRUM SHARPENING AND SEPARATION WITH MULTI-DIMENSIONAL MICRO-GC FOR GAS CHROMATOGRAPHY ANALYSISOctober 2023December 2024Allow1420NoNo
18485676FOUR-DIMENSIONAL ANALYSIS SYSTEM, APPARATUS, AND METHODOctober 2023January 2026Allow2711NoNo
18476338METHOD FOR DETERMINING LOWER RADIUS LIMIT OF MOVABLE THROAT OF SHALESeptember 2023March 2024Allow510NoNo
18474794DETERMINATION DEVICE, DETERMINATION METHOD, AND SENSOR DEVICESeptember 2023February 2026Allow2810NoNo
18369566SYSTEMS AND METHODS FOR EXTRACTING ANALYTES FROM A SAMPLESeptember 2023September 2024Allow1210NoNo
18244268Combustion AnalyzerSeptember 2023May 2024Allow810NoNo
18279542PARTICLE MEASURING APPARATUS AND MANUFACTURING METHOD THEREOFAugust 2023March 2026Allow3010NoNo
18237798SENSOR DISCRIMINATORS AND METHODS FOR DETECTING ELECTRICAL PROPERTY CHANGES IN A METAL ORGANIC FRAMEWORKAugust 2023December 2024Allow1610YesNo
18235914SYSTEM, METHOD, AND APPARATUS FOR DETECTING AIR IN A FLUID LINE USING ACTIVE RECTIFICATIONAugust 2023June 2024Allow1000NoNo
18448827METHODS AND SYSTEMS FOR ESTIMATING GAS SUPPLY PRESSUREAugust 2023February 2026Allow3010NoNo
18276858AIR MEASUREMENT METHOD USING GAS CHROMATOGRAPH AND GAS CHROMATOGRAPH ANALYSIS SYSTEMAugust 2023December 2025Allow2810YesNo
18230900OCCLUSION DETECTION FOR INFUSION PUMPSAugust 2023May 2024Allow910NoNo
18263638Flow Splitter for Gas Chromatography SystemsJuly 2023June 2025Allow2310NoNo
18354013GAS CHROMATOGRAPH AND CARRIER GAS USAGE AMOUNT DISPLAY METHODJuly 2023August 2025Allow2500NoNo
18221621PREPARATIVE LIQUID CHROMATOGRAPHJuly 2023October 2025Allow2710NoNo
18261172GAS DETECTION METHOD, PROGRAM, CONTROL SYSTEM, AND GAS DETECTION SYSTEMJuly 2023January 2026Abandon3110NoNo
18219978MULTIFUNCTIONAL MICROPILLAR-ENABLED ACOUSTIC WAVE VISCOMETERJuly 2023January 2026Allow3011NoNo
18021865INSPECTION APPARATUSJune 2023September 2025Allow3110NoNo
18340405TESTING FIBER LOSS IN FABRICSJune 2023February 2026Allow3220NoNo
18211699AIR QUALITY SENSORSJune 2023June 2024Allow1210NoNo
17781468METHOD AND APPARATUS FOR MEASURING WHITENESS AND/OR TESTING DYE AFFINITY OF FILAMENTSJune 2023December 2025Abandon4210NoNo
18267145OPTICAL CELL FOR SEDIMENTATION ANALYSIS, CENTRIFUGAL SEDIMENTATION ANALYSIS DEVICE, AND CENTRIFUGAL SEDIMENTATION ANALYSIS METHODJune 2023November 2025Abandon3010NoNo
18256306AN ARRANGEMENT FOR CONTINUOUSLY DETERMINING DENSITY OF A FOOD PRODUCT, A METHOD THEREOFJune 2023December 2025Abandon3010NoNo
18205720ODOR DETECTION DEVICE AND PLANT STATUS DETECTION SYSTEMJune 2023September 2025Allow2710NoNo
18201091Automated Systems For Removing Tissue Samples From Seeds, And Related MethodsMay 2023January 2025Allow2010NoNo
18199646VOLATILE ORGANIC CHEMICAL IN SOLID SAMPLE COLLECTION, PROCESSING, AND MEASUREMENT APPARATUS AND METHODMay 2023November 2023Allow620NoNo
18318940SYSTEM AND METHOD FOR TRAPPING FLUID AT A VALVEMay 2023April 2024Allow1110NoNo
18197282LIVE-COLUMN VISUALIZATION CHROMATOGRAPHY FOR SEPARATION OF COMPOUNDSMay 2023March 2026Allow3420YesNo
18251974APPARATUS AND METHOD TO SEPARATE INDIVIDUAL HYDROCARBONS FROM A COMPOSITION OF MULTIPLE HYDROCARBONS IN ONE OR MORE MATRICESMay 2023November 2025Abandon3010NoNo
18251539Method for the quantitative determination of Al4C3 and apparatus for carrying out the methodMay 2023May 2025Allow2410NoNo
18308024SYSTEMS AND METHODS FOR DETECTING LEAKING PIPESApril 2023October 2025Allow2910YesNo
18139560GAS SENSOR DYNAMIC ENVIRONMENTAL COMPENSATION USING AUTO-CALIBRATION METHODApril 2023March 2026Allow3410NoNo
18033046ANALYTICAL APPARATUSApril 2023December 2025Abandon3210NoNo
18301613CHEMICAL SENSOR, DETECTION METHOD, REAGENT AND KITApril 2023June 2024Allow1410NoNo
18133636METHOD OF PREPARING A CAPILLARY COLUMN INCLUDING IN SITU FORMATION OF A METAL-ORGANIC FRAMEWORK STATIONARY PHASEApril 2023April 2024Allow1211NoNo
18298531PROXY FLUID TO DETERMINE EFFECTIVENESS OF A COATING FOR WELLBORE EQUIPMENTApril 2023December 2025Allow3210NoNo
18030877GAS ANALYSIS DEVICE AND GAS ANALYSIS METHODApril 2023August 2025Allow2810NoNo
18130945Tangle-Free FlagApril 2023February 2024Allow1120YesNo
18192779MONITORING STORED INGESTIBLE PRODUCTSMarch 2023September 2025Allow3010NoNo
18192444METABONOMICS-BASED TOBACCO LEAF MILDEWING IDENTIFICATION METHODMarch 2023May 2025Allow2510NoNo
18189929AUTOMATED TANK SAMPLER SYSTEMMarch 2023March 2026Allow3510NoNo
18126168APPARATUS AND METHODS FOR FOAM GENERATION AND FOAM EVALUATIONMarch 2023November 2025Allow3211NoNo
18028035DEVICE FOR DETERMINING THE HYDROGEN CONCENTRATION OF AN EXHAUST GAS IN AN EXHAUST GAS LINE OF A FUEL CELL SYSTEM, AND FUEL CELL SYSTEMMarch 2023May 2025Allow2610NoNo
18121124GAS CHROMATOGRAPHMarch 2023July 2025Allow2810NoNo
18182480IDENTIFICATION METHOD OF VOLATILE FLAVOR COMPOUND IN MEAT AND USE THEREOFMarch 2023October 2025Abandon3110NoNo
18181638ENVIRONMENT FORMING DEVICEMarch 2023July 2025Allow2810NoNo
18180533APPARATUS AND METHOD FOR MEASURING PROPERTIES OF POLYMERMarch 2023October 2025Allow3110NoNo
17909740Detection Device for Scanning Probe MicroscopeFebruary 2023February 2026Allow4220NoNo
18023220ANALYSIS METHOD AND ANALYSIS SYSTEM FOR BILE ACIDS, STEROLS, AND HORMONESFebruary 2023September 2025Abandon3110NoNo
18172915SENSOR SYSTEM AND GAS SYSTEMFebruary 2023January 2026Allow3511NoNo
18168389CHROMATOGRAPHY COLUMN ADAPTOR AND USE FOR FLUIDIC CONNECTIONSFebruary 2023July 2025Allow2910NoNo
18167995FERRULE SLEEVE FOR PREVENTING EXCESSIVE FERRULE DEFORMATION CAUSING LEAKS AND STUCK FERRULESFebruary 2023June 2025Allow2810NoNo
18107294SYSTEM AND METHOD FOR SENSORY CHARACTERIZATIONFebruary 2023November 2023Allow911NoNo
18018613Surface Analysis DeviceJanuary 2023May 2025Allow2700NoNo
18098416AMPHETAMINE CARBAMATE COMPOUNDS AND METHODSJanuary 2023December 2023Allow1110NoNo
18095678Systems and Methods for Detecting and Preventing Damage to PipesJanuary 2023August 2025Allow3110YesNo
18088051CHROMATOGRAPHIC ANALYZER AND PROGRAM FOR CHROMATOGRAPHIC ANALYSISDecember 2022November 2025Allow3500NoNo
18011902FLOWMETER AND METHOD FOR MEAUSURING THE FLOW OF A FLUIDDecember 2022September 2025Abandon3310NoNo
18079793GROWING MEDIA EVALUATION SYSTEM AND METHODDecember 2022September 2023Allow910NoNo
18075177PREDICTIVE CHROMATOGRAPH PEAK DETECTIONDecember 2022April 2025Allow2810NoNo
18058572WATER MONITORING SYSTEM USING AN OPTIMIZED CIRCULAR FLUID FLOW PATHNovember 2022December 2025Abandon3710NoNo
18057361METHOD FOR TRACEABILITY CALIBRATION OF CALIBRATION DEVICE OF ROCK CHISELING SPECIFIC POWER TESTERNovember 2022December 2024Allow2500NoNo
17990144SENSOR DISCRIMINATORS AND METHODS FOR DETECTING ELECTRICAL PROPERTY CHANGES IN A METAL ORGANIC FRAMEWORKNovember 2022August 2023Allow911NoNo
17985382COMPONENT FOR VEHICLE INTERIORNovember 2022January 2025Abandon2620NoNo
17923429Sample Cell and Support Assembly for Enhanced Rheological Measurements of Soft Matter and MaterialsNovember 2022September 2025Allow3410NoNo
18051006PIPELINE MONITORING METHODS AND INTERNET OF THINGS BASED ON SMART GAS PIPELINE NETWORK SAFETYOctober 2022May 2025Allow3010NoNo
17961953Fluidic Device With Fluid Port Orthogonal to Functionalized Active RegionOctober 2022December 2023Allow1420NoNo
17938195DRILL STRING ANGULAR OFFSET DETERMINATIONOctober 2022August 2025Allow3510YesNo
17958078TRANSLATING SECTIONS OF AN ICING WIND TUNNELTO EXPAND WATER DROPLET RANGESeptember 2022March 2025Allow2910NoNo
17995215Agricultural Sampling System and Related MethodsSeptember 2022July 2025Allow3310NoNo
17915813Method and Arrangement for Determining Neighborhood Relationships Between an Actuator and Sensors in an InstallationSeptember 2022March 2025Allow2900YesNo
17954424Test Piece for Testing a Washing Performance of an Industrial Washing MachineSeptember 2022March 2025Abandon2910NoNo
17954682QUANTITATIVE EVALUATION METHOD FOR SENSITIVITY OF WELDING TRANSVERSE COLD CRACKS IN TYPICAL JOINT OF JACKETSeptember 2022April 2023Allow610NoNo
17914812EDIBLE OIL DETERIORATION LEVEL DETERMINATION DEVICE, EDIBLE OIL DETERIORATION LEVEL DETERMINATION SYSTEM, EDIBLE OIL DETERIORATION LEVEL DETERMINATION METHOD, EDIBLE OIL DETERIORATION LEVEL DETERMINATION PROGRAM, EDIBLE OIL DETERIORATION LEVEL LEARNING DEVICE, LEARNED MODEL FOR USE IN EDIBLE OIL DETERIORATION LEVEL DETERMINATION, AND EDIBLE OIL EXCHANGE SYSTEMSeptember 2022November 2025Allow3810NoNo
17949708SUBSTRATE PROCESSING APPARATUS, ABNORMALITY DETECTION METHOD AND NON-TRANSITORY COMPUTER READABLE MEDIUM STORING ABNORMALITY DETECTION PROGRAMSeptember 2022January 2026Allow4011YesNo
17945901FLUID QUALITY TRACING METHOD AND SYSTEMSeptember 2022September 2025Allow3610YesNo
17905812Ultrasonic Flow Meter and Method for Ultrasonic Flow MeteringSeptember 2022March 2025Allow3010NoNo
17899929METHOD AND SYSTEM FOR TESTING THE ROUNDNESS OF THE INNER WALL OF A PIPE OR OTHER HOLLOW CYLINDERAugust 2022April 2025Abandon3110NoNo
17896010PRECIOUS METAL SOURCE VERIFICATION BY TRACE ELEMENTSAugust 2022October 2023Allow1420NoNo

Appeals Overview

This analysis examines appeal outcomes and the strategic value of filing appeals for examiner LARKIN, DANIEL SEAN.

Patent Trial and Appeal Board (PTAB) Decisions

Total PTAB Decisions
4
Examiner Affirmed
2
(50.0%)
Examiner Reversed
2
(50.0%)
Reversal Percentile
75.4%
Higher than average

What This Means

With a 50.0% reversal rate, the PTAB reverses the examiner's rejections in a meaningful percentage of cases. This reversal rate is in the top 25% across the USPTO, indicating that appeals are more successful here than in most other areas.

Strategic Value of Filing an Appeal

Total Appeal Filings
26
Allowed After Appeal Filing
12
(46.2%)
Not Allowed After Appeal Filing
14
(53.8%)
Filing Benefit Percentile
75.0%
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, 46.2% 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 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 is strategically valuable. The act of filing often prompts favorable reconsideration during the mandatory appeal conference.

Examiner LARKIN, DANIEL SEAN - Prosecution Strategy Guide

Executive Summary

Examiner LARKIN, DANIEL SEAN works in Art Unit 2855 and has examined 810 patent applications in our dataset. With an allowance rate of 92.6%, this examiner allows applications at a higher rate than most examiners at the USPTO. Applications typically reach final disposition in approximately 29 months.

Allowance Patterns

Examiner LARKIN, DANIEL SEAN's allowance rate of 92.6% places them in the 79% percentile among all USPTO examiners. This examiner is more likely to allow applications than most examiners at the USPTO.

Office Action Patterns

On average, applications examined by LARKIN, DANIEL SEAN receive 1.24 office actions before reaching final disposition. This places the examiner in the 16% percentile for office actions issued. This examiner issues significantly fewer office actions than most examiners.

Prosecution Timeline

The median time to disposition (half-life) for applications examined by LARKIN, DANIEL SEAN is 29 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 +0.3% benefit to allowance rate for applications examined by LARKIN, DANIEL SEAN. This interview benefit is in the 17% percentile among all examiners. Note: Interviews show limited statistical benefit with this examiner compared to others, though they may still be valuable for clarifying issues.

Request for Continued Examination (RCE) Effectiveness

When applicants file an RCE with this examiner, 37.9% of applications are subsequently allowed. This success rate is in the 87% percentile among all examiners. Strategic Insight: RCEs are highly effective with this examiner compared to others. If you receive a final rejection, filing an RCE with substantive amendments or arguments has a strong likelihood of success.

After-Final Amendment Practice

This examiner enters after-final amendments leading to allowance in 67.4% of cases where such amendments are filed. This entry rate is in the 91% 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, 133.3% result in withdrawal of the rejection or reopening of prosecution. This success rate is in the 86% 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 74% 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, 57.5% are granted (fully or in part). This grant rate is in the 60% percentile among all examiners. Strategic Note: Petitions show above-average success regarding this examiner's actions. Petitionable matters include restriction requirements (MPEP § 1002.02(c)(2)) and various procedural issues.

Examiner Cooperation and Flexibility

Examiner's Amendments: This examiner makes examiner's amendments in 11.5% of allowed cases (in the 95% percentile). Per MPEP § 1302.04, examiner's amendments are used to place applications in condition for allowance when only minor changes are needed. This examiner frequently uses this tool compared to other examiners, indicating a cooperative approach to getting applications allowed. Strategic Insight: If you are close to allowance but minor claim amendments are needed, this examiner may be willing to make an examiner's amendment rather than requiring another round of prosecution.

Quayle Actions: This examiner issues Ex Parte Quayle actions in 14.1% of allowed cases (in the 91% percentile). Per MPEP § 714.14, a Quayle action indicates that all claims are allowable but formal matters remain. This examiner frequently uses Quayle actions compared to other examiners, which is a positive indicator that once substantive issues are resolved, allowance follows quickly.

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.
  • RCEs are effective: This examiner has a high allowance rate after RCE compared to others. If you receive a final rejection and have substantive amendments or arguments, an RCE is likely to be successful.
  • 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.
  • Examiner cooperation: This examiner frequently makes examiner's amendments to place applications in condition for allowance. If you are close to allowance, the examiner may help finalize the claims.

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.