USPTO Art Unit 2855 Prosecution Statistics

Recent Applications

Detailed information about the 100 most recent patent applications.

Application NumberTitleFiling DateDisposal DateDispositionTime (months)Office ActionsRestrictionsInterviewAppeal
19361985AIR QUALITY MONITORS MINIMIZATION SYSTEM AND METHODSOctober 2025March 2026Allow500NoNo
19331794MODULAR PIPE INSPECTION ROBOT AND METHOD FOR INSPECTING AN EXTERNAL SURFACE OF A PIPESeptember 2025November 2025Allow200NoNo
19330367PILE INSTALLATION CONFIRMATION INSTRUMENTSeptember 2025December 2025Allow300NoNo
19327829CALIBRATION BLOCK FOR PHASED ARRAY OF ULTRA-SONIC ELEMENTSSeptember 2025January 2026Allow500NoNo
19327842SYSTEMS, METHODS, AND APPARATUS FOR REPORTING INSPECTION DATASeptember 2025January 2026Allow500NoNo
19328101ASSEMBLY STRUCTURE FOR RANGEFINDER POSITIONING DEVICESeptember 2025December 2025Allow300NoNo
19323852FREE SURFACE FLOW MEASUREMENT ASSEMBLYSeptember 2025February 2026Allow501YesNo
19319223DIGITAL TAPE MEASURE AND MOUNTING SYSTEMSeptember 2025March 2026Allow610NoNo
19293915SUBSTANCE FEEDING DEVICE, MIXING SYSTEM, AND BATTERY PRODUCTION LINEAugust 2025February 2026Allow610NoNo
19288726LIDAR MEASUREMENT OF METHANE GAS FLOW IN COMPLEX WINDAugust 2025February 2026Allow710NoNo
19285870SELF DETERMINED WEIGHT CONTAINERJuly 2025September 2025Allow210YesNo
19275917MULTI-PHYSICS FIELD COUPLING ENVIRONMENT SIMULATION DEVICEJuly 2025November 2025Allow400NoNo
19262135SEMICONDUCTOR LOW-TEMPERATURE ELEMENTAL MERCURY GENERATORJuly 2025August 2025Allow200NoNo
19262396BOUNDARY LAYER TESTING SYSTEM WITH ENHANCED ENTRY REGION FOR ANGULATED SURFACESJuly 2025March 2026Allow800NoNo
19254045GRINDING SIMULATION TEST DEVICE AND METHOD FOR STEEL TURNOUT RAIL OF RAIL TRANSITJune 2025December 2025Allow510NoNo
19251302APPARATUS FOR EXTRACTING SOIL ORGANIC CARBONJune 2025August 2025Allow200NoNo
19248380MECHANICAL METHOD OF DETERMINING THE BEST MATERIAL FOR USE AS CLEAR ALIGNER COMPOSITE RESIN ATTACHMENT AMONG EXPERIMENTED GROUPSJune 2025October 2025Allow400YesNo
19244836AUTONOMOUS TIRE AND WHEEL BALANCER, METHOD THEREFOR AND ROBOTIC AUTOMOTIVE SERVICE SYSTEMJune 2025January 2026Allow711NoNo
19242004ANALYTE DETECTION APPARATUSJune 2025September 2025Allow310NoNo
19238401APPARATUS AND METHOD FOR DETERMINING FLUID FLOW AND ALARMINGJune 2025August 2025Allow200YesNo
19237914HIGH DENSITY BASKET SCALES AND SYSTEMS USING THE SAMEJune 2025November 2025Allow520YesNo
19235650INVOLUTE GEAR PROFILE ARTIFACT FOR LARGE GEAR TRACEABLE METROLOGYJune 2025August 2025Allow200NoNo
19234240FLUID PARAMETER MEASUREMENT DEVICE WITH ANNULAR GAPJune 2025October 2025Allow400NoNo
19230006DETECTION DEVICE FOR STEAM TURBINE BLADEJune 2025July 2025Allow100NoNo
19228676ENERGY EFFICIENCY TESTING DEVICE AND METHOD FOR ELECTRIC OVENJune 2025October 2025Allow400NoNo
19227295DEVICE AND METHOD FOR DETERMINING GAS DIFFUSION COEFFICIENT IN ROCKSJune 2025August 2025Allow200NoNo
19226015VISUAL INDICATION OF TANK LEVEL AND PERFORMANCEJune 2025January 2026Abandon810NoNo
19223712MULTICHANNEL OPTICAL FIBER FLUORESCENCE TEMPERATURE MEASUREMENT DEVICE AND METHOD FOR ELECTROSTATIC CHUCK IN ETCHERMay 2025November 2025Allow510NoNo
19222808Transversely Folded Multi Surface Bra Sizing Device Enabling The Display Of Bra Fitting Educational InformationMay 2025October 2025Allow500NoNo
19221522SIMULATOR JOYSTICK FORCE CALIBRATION METHODMay 2025August 2025Allow300NoNo
19219038Biaxial Test DeviceMay 2025August 2025Allow200NoNo
19219728AUTONOMOUS TIRE AND WHEEL BALANCER, METHOD THEREFOR AND ROBOTIC AUTOMOTIVE SERVICE SYSTEMMay 2025October 2025Allow501YesNo
19218600CLOTHING WINDPROOF PERFORMANCE TESTING TOOL AND TESTING METHODMay 2025July 2025Allow200NoNo
19217844UNIVERSAL INSTRUMENT ENVIRONMENTAL SHIELDMay 2025November 2025Allow610NoNo
19206225SYSTEM AND METHOD FOR DETERMINING VERTICAL POSITION IN MULTI-FLOOR BUILDINGMay 2025August 2025Allow300NoNo
19206360SOIL DETECTORMay 2025August 2025Allow310NoNo
19205477MULTI-COMPONENT FORCE LOAD CELL CALIBRATION DEVICEMay 2025June 2025Allow100NoNo
19205082POWER APPARATUS FOR PIPELINE ENDOSCOPE DEVICE, PIPELINE ENDOSCOPE DEVICE, AND PIPELINE INSPECTION SYSTEMMay 2025October 2025Allow511YesNo
19203228DEFECT DETECTION METHOD AND DEVICE BASED ON NONLINEAR SYSTEM IDENTIFICATIONMay 2025July 2025Allow200NoNo
19202563SEALED PRESSURE CONTAINER FOR HIGH-PRESSURE ACCELERATED AGING TESTMay 2025July 2025Allow200NoNo
19202849METHOD FOR PREPARING POROUS ROCK AND METHOD FOR QUANTITATIVELY RESEARCHING LOW-AMPLITUDE WAVE PROPAGATION BY USING THE POROUS ROCKMay 2025November 2025Allow610NoNo
19201756High Resolution Optical Displacement MeasurementMay 2025October 2025Allow610NoNo
19201608High Resolution Optical Displacement MeasurementMay 2025November 2025Allow610NoNo
19196317INSPECTION ROBOT WITH FORWARD AND REARWARD SENSOR MOUNT GROUPSMay 2025August 2025Allow400NoNo
19194161EXPERIMENTAL APPARATUS AND METHOD FOR PLANAR INTERFACIAL SHEAR OF HYDRATE-BEARING SEDIMENTApril 2025July 2025Allow200NoNo
19185785METHOD FOR EVALUATING FOAMABILITY WITH A FRITTED TEST APPARATUSApril 2025June 2025Allow200NoNo
19185708Method for measuring flow velocity distribution of groundwater using distributed optical fiber with active heatingApril 2025July 2025Allow310NoNo
19185129MICRO-METAL TUBE THROMBUS ELASTICITY DETECTION DEVICE AND METHOD BASED ON L(0,1) LONGITUDINAL MODE GUIDED WAVEApril 2025October 2025Allow610NoNo
19181290Medical catheter testing device and a testing method thereofApril 2025July 2025Allow210NoNo
19180997ROBOTIC SYSTEMS FOR ULTRASONIC SURFACE INSPECTION USING SHAPED ELEMENTSApril 2025June 2025Allow200NoNo
19178976METHODS FOR DETECTING AUSTENITIC WELD BASED ON ULTRASONIC-MAGNETIC COMBINATION TECHNIQUEApril 2025August 2025Allow410NoNo
19178859SYSTEMS AND METHODS FOR TANK INSPECTIONApril 2025May 2025Allow100NoNo
19174381SENSOR MULTIFUNCTIONAL BLUETOOTH FOOD PROBEApril 2025August 2025Allow520NoNo
19098256LASER GUIDE FOR INSTALLING ELECTRICAL PIPEApril 2025July 2025Allow400NoNo
19097471Test Fixture for Use with a Thermometer Test BathApril 2025November 2025Allow711NoNo
19096703METHODS FOR REAL-TIME DEVIATION MONITORING OF MINIATURE PIPE ROOFING JACKING PIPE OF SPIRAL SOIL-DISCHARGINGMarch 2025May 2025Allow200NoNo
19092294STAIR TREAD TEMPLATE RULERMarch 2025May 2025Allow100NoNo
19091695DEVICE FOR MEASURING AN AMOUNT OF SNOWFALL IN CONSIDERATION OF A WEIGHT OF SNOWFALLMarch 2025May 2025Allow100NoNo
19086785Battery Monitoring System and Method for Monitoring a Battery PackMarch 2025August 2025Allow510NoNo
19086216MEASUREMENT INSTRUMENT FOR MEASURING FORCE AND DISPLACEMENT DATA FROM A SURGICAL SPREADERMarch 2025May 2025Allow100NoNo
19085345METHOD OF EXAMINING A PARTICULATE SUBSTANCE COMPRISING INORGANIC PARTICLES, COMPRISING DETERMINING AT LEAST ONE BINDER QUALITY ASSOCIATED PROPERTYMarch 2025January 2026Allow1020YesNo
19082459MOUNTING DEVICE AND METHOD OF TANDEM-TYPE ROCK MASS THREE-DIMENSIONAL DISTURBANCE STRESS SENSORMarch 2025July 2025Allow410NoNo
19112276FLOW RATE MEASUREMENT METHOD FOR SPIRAL THROTTLING COMPONENTMarch 2025December 2025Allow920YesNo
19080588CONSTRUCTION MARKING DEVICEMarch 2025July 2025Allow400NoNo
19079736METHOD AND APPARATUS FOR ANOMALY ANALYSIS OF A SUBSYSTEM OR COMPONENT OF A VEHICLE THAT EXPERIENCES MECHANICAL VIBRATION DURING ROTATION OF THE SUBSYSTEM OR COMPONENT OF THE VEHICLEMarch 2025August 2025Allow510YesNo
19076054LIQUID FLUID SYSTEMS INCLUDING PHASE DETECTION SENSORS FOR TURBINE ENGINESMarch 2025October 2025Allow720YesNo
19076322TEMPERATURE BUFFERING DEVICEMarch 2025September 2025Allow710YesNo
19074273AUTOMATIC SAMPLE PREPARATION DEVICE FOR SAMPLING FILTER MEMBRANES OF AMBIENT AIR PARTICULATE MATTERMarch 2025July 2025Allow410NoNo
19071367VISUAL INDICATION OF TANK LEVEL AND PERFORMANCEMarch 2025April 2025Allow210NoNo
19108803ELECTRICAL STABILITY PROBE WITH TEMPERATURE SENSORMarch 2025July 2025Allow410YesNo
19066280SYSTEM AND METHOD FOR TESTING ROCK FRACTURE UNDER VACUUM AND EXTREME-TEMPERATURE CONDITIONFebruary 2025July 2025Allow500NoNo
19064646QUANTITATIVE EVALUATION METHOD AND SYSTEM FOR STRESS CORROSION SUSCEPTIBILITY OF PIPELINE STEEL WELDING CONNECTORFebruary 2025January 2026Abandon1020NoNo
19063317Orientation Determination DeviceFebruary 2025October 2025Allow810NoNo
19063972SENSOR STRIP FOR LIQUID OR HUMIDITY DETECTION AND APPLICATIONS AND USES THEREOFFebruary 2025August 2025Allow610NoNo
19062845CAPACITIVE SENSING RING-SIZING SYSTEM AND A METHOD THEREOFFebruary 2025April 2025Allow200NoNo
19061955SYSTEM AND METHOD FOR ALLEVIATING LOWER BACK PAINFebruary 2025August 2025Allow610NoNo
19105787STATE ESTIMATION USING SPARSE HALL SENSOR-BASED SENSINGFebruary 2025July 2025Allow500NoNo
19059589DETECTION OF INFECTIOUS AGENTS FROM ENVIRONMENTAL AIR DUSTFebruary 2025August 2025Allow510YesNo
19104791HIGH-VOLTAGE CABLE INSULATION MATERIAL CONTINUOUS EXTRUSION PROCESSING CHARACTERISTIC EVALUATION AND OPTIMIZATION METHOD AND APPARATUSFebruary 2025June 2025Allow400NoNo
19104665ULTRASONIC WATER METER FLOW MEASUREMENT AND OUTDOOR WATER LEAK DETECTION METHOD USING TEMPERATURE DISTRIBUTION AND PRESSURE CHANGE, AND THEREOF THE ULTRASONIC WATER METERFebruary 2025November 2025Allow910NoNo
19055746DRUG STORAGE CONTAINER COVER WITH TEMPERATURE DETECTION FUNCTIONFebruary 2025September 2025Allow710NoNo
19104157DATA PROCESSING METHOD AND APPARATUS, ELECTRONIC DEVICE, AND STORAGE MEDIUMFebruary 2025November 2025Allow910NoNo
19050216LABORATORY EXPERIMENT SYSTEM FOR BREACHING OF DEBRIS-TYPED BARRIER DAMFebruary 2025May 2025Allow300NoNo
19101951METHODS FOR REAL-TIME OPTIMIZATION OF COILED TUBING CLEANOUT OPERATIONS USING DOWNHOLE PRESSURE SENSORSFebruary 2025March 2026Allow1300NoNo
19044044RETRACTABLE SCALE SYSTEM WITH DEPLOYMENT MECHANISMFebruary 2025May 2025Allow320YesNo
19100481A LINEAR CUT GENERATION METHOD FOR SENSOR INVERSION CONSTRAINT IMPOSITIONJanuary 2025January 2026Allow1110YesNo
19099463Automated Syringe Fill State MeasurementJanuary 2025August 2025Allow710YesNo
19038055SYSTEMS, METHODS AND APPARATUS FOR SAFE LAUNCH AND RECOVERY OF AN INSPECTION VEHICLEJanuary 2025March 2026Allow1310YesNo
19035827METHOD AND DEVICE FOR CONTROLLING ENGINEERING PROJECTION DEFORMATIONJanuary 2025June 2025Allow501NoNo
19033754CRUDE OIL TRANSPORTATION DRAG-REDUCING AGENT TESTING LOOP TEST BENCH AND A USE METHOD THEREOFJanuary 2025April 2025Allow200NoNo
19033107FLUID LEVEL MONITORINGJanuary 2025July 2025Allow610YesNo
19026647DIELECTRIC SENSOR CAPABLE OF IDENTIFYING RESIN FLOW DIRECTION AND PREPARATION METHOD AND APPLICATION THEREOFJanuary 2025July 2025Allow600NoNo
19026687METHOD AND APPARATUS FOR CLASSIFYING WATER-RICH WEAK SURROUNDING ROCK BASED ON IN-SITU SCRIBINGJanuary 2025May 2025Allow300NoNo
19029756HVAC LINE SET ANALYZER SYSTEMJanuary 2025October 2025Allow921NoNo
19023710TEMPERATURE MEASUREMENT CIRCUIT STRUCTURE AND TEMPERATURE PROBEJanuary 2025July 2025Allow610NoNo
19023575Novel Stair Tread MeasurerJanuary 2025July 2025Allow610NoNo
19023343DEVICE AND METHOD FOR TESTING STARTING CHARACTERISTICS OF REFRIGERATION COMPRESSOR WITH ADJUSTABLE SYSTEM VOLUMEJanuary 2025June 2025Allow510YesNo
19021368CRACK SENSOR, PREPARATION METHOD THEREFOR, AND APPLICATION THEREOF IN MICRO-FORCE MEASUREMENTJanuary 2025July 2025Allow610NoNo
19022278FIXTURE APPLIED TO STICKING STRAIN GAUGE ON HOPKINSON SQUARE BAR AND USE METHOD THEREOFJanuary 2025May 2025Allow400NoNo
19022664NON-CONTACT INSPECTION FOR FINDING LEAKS IN LIQUID PAPERBOARD CARTONSJanuary 2025July 2025Allow610YesNo

Appeals Overview

This analysis examines appeal outcomes and the strategic value of filing appeals for art-unit 2855.

Patent Trial and Appeal Board (PTAB) Decisions

Total PTAB Decisions
163
Examiner Affirmed
102
(62.6%)
Examiner Reversed
61
(37.4%)
Reversal Percentile
72.0%
Higher than average

What This Means

With a 37.4% 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
764
Allowed After Appeal Filing
306
(40.1%)
Not Allowed After Appeal Filing
458
(59.9%)
Filing Benefit Percentile
87.2%
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, 40.1% of applications that filed an appeal were subsequently allowed. This appeal filing benefit rate is in the top 25% across the USPTO, indicating that filing appeals is particularly effective here. The act of filing often prompts favorable reconsideration during the mandatory appeal conference.

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.

Art Unit 2855 - Prosecution Statistics Summary

Executive Summary

Art Unit 2855 is part of Group 2850 in Technology Center 2800. This art unit has examined 33,964 patent applications in our dataset, with an overall allowance rate of 87.2%. Applications typically reach final disposition in approximately 25 months.

Comparative Analysis

Art Unit 2855's allowance rate of 87.2% places it in the 84% percentile among all USPTO art units. This art unit has a significantly higher allowance rate than most art units at the USPTO.

Prosecution Patterns

Applications in Art Unit 2855 receive an average of 1.25 office actions before reaching final disposition (in the 10% percentile). The median prosecution time is 25 months (in the 79% percentile).

Strategic Considerations

When prosecuting applications in this art unit, consider the following:

  • The art unit's allowance rate suggests a more favorable 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.