USPTO Art Unit 2878 Prosecution Statistics

Art Unit Information

Art Unit: 2878
Group: 2870
Tech Center: 2800
Total Cases: 21,269
Last Active: August 2025

Recent Applications

Detailed information about the 100 most recent patent applications.

Application NumberTitleFiling DateDisposal DateDispositionTime (months)Office ActionsRestrictionsInterviewAppeal
19309415OPTIMIZING SOLAR TRACKER TRACKING USING 3D MODELINGAugust 2025December 2025Allow310NoNo
19276308TRAILER LIGHT DETECTOR APPLICABLE TO MULTIPLE TYPES AND DETECTION METHOD THEREOFJuly 2025November 2025Allow300NoNo
19245111System and Method for Enabling High Speed Optical Communication Inside and Between PC Boards, 3D Multi-Chip Modules and Other Electronic SystemsJune 2025February 2026Allow820NoNo
19242688METHOD FOR SURVEYING AND ANALYZING SOIL SAMPLES IN A GEOGRAPHIC AREAJune 2025August 2025Allow210NoNo
19242624METHOD FOR DETERMINING UNCONFINED COMPRESSIVE STRENGTH OF SOILJune 2025August 2025Allow210NoNo
19242739WHEELED SOIL ANALYSIS ANALYZER FOR SOIL COMPRESSIVE STRENGTHJune 2025August 2025Allow200NoNo
19227529System and Method for Identifying a ProductJune 2025July 2025Allow200NoNo
19074694METHOD FOR MIRROR IMAGING OF GAS HOLDUP IN GAS-WATER TWO-PHASE FLOW BASED ON FIBER OPTIC PROBE ARRAYMarch 2025January 2026Allow1000NoNo
19018422DIGITAL CAMERAS WITH DIRECT LUMINANCE AND CHROMINANCE DETECTIONJanuary 2025November 2025Abandon1010YesNo
18992690LIGHT GRID WITH DISTANCE MEASUREMENTJanuary 2025April 2025Allow300NoNo
19005582Optical Probe System for the Electron MicroscopeDecember 2024March 2026Allow1420YesNo
19001320PHOTON SIGNAL PROCESSING FOR PARTICLE DETECTIONDecember 2024August 2025Allow820NoNo
18955580Sensor Arrangement For Optical Elements In Laser Material Processing HeadsNovember 2024February 2026Allow1500NoNo
18855670APPEARANCE INSPECTION METHOD FOR GOODSOctober 2024March 2026Allow1700NoNo
18901783TreeEventID A SYSTEM FOR ACCURATE TREE HAZARD DETECTION ON AERIAL TELECOM CABLES USING DISTRIBUTED FIBER SENSING AND NOVEL InfoNCE-BASED LEARNINGSeptember 2024March 2026Allow1700NoNo
18851085Methods and system related to radiotherapy treatment planningSeptember 2024January 2026Allow1630YesNo
18895156Vision FloatSeptember 2024December 2025Abandon1411NoNo
18890388DISTRIBUTED FIBER OPTIC SENSOR PLACEMENT PROCEDURE FOR MULTI-CHANNEL SENSORSSeptember 2024February 2026Allow1700NoNo
18848227OPTICAL MODULE FOR ENCODER AND REFLECTION-TYPE ENCODERSeptember 2024March 2026Allow1800NoNo
18889164SPRING COUNTER-BALANCE ASSEMBLIES AND SOLAR TRACKERS INCORPORATING SPRINGS TO BALANCE ROTATIONSeptember 2024March 2026Allow1800NoNo
18885774SINGLE PHOTON AVALANCHE DIODE BASED OPTICAL SENSOR AND EVENT-BASED VISION SENSORSeptember 2024February 2026Allow1700NoNo
18883777THREE-DIMENSIONAL MEASUREMENT APPARATUSSeptember 2024February 2026Allow1800NoNo
18828835SAMPLE TESTING METHOD AND SAMPLE ANALYZERSeptember 2024February 2026Allow1700NoNo
18820464IMAGE SENSOR AND IMAGE SENSOR MANUFACTURING METHODAugust 2024February 2026Allow1800NoNo
18810893SINGLE PHOTON DETECTOR, ELECTRONIC DEVICE, AND LiDAR DEVICEAugust 2024March 2026Allow1800NoNo
18839342Single-Pass 3D Reconstruction of Internal Surface of Pipelines Using Depth Camera ArrayAugust 2024January 2026Allow1800NoNo
18836991SIGNAL GENERATION CIRCUIT AND LIGHT DETECTING UNITAugust 2024March 2026Allow1900NoNo
18795396PHOTOELECTRIC CONVERSION DEVICE, METHOD FOR PRODUCING THE SAME, AND APPLIANCEAugust 2024February 2026Allow1900NoNo
18795125SENSOR PACKAGE STRUCTURE AND MANUFACTURING METHOD THEREOFAugust 2024January 2026Allow1800NoNo
18791685DETECTION DEVICEAugust 2024February 2026Allow1900NoNo
18791549Molten Salt Impurity SensorAugust 2024February 2026Allow1800NoNo
18788656FIELD REPAIR RECALIBRATIONJuly 2024March 2026Allow2000NoNo
18785682NEAR-LIGHT ILLUMINATIONJuly 2024March 2026Allow2000NoNo
18775016THROUGH-BEAM PHOTOELECTRIC SENSOR AND ASSEMBLY METHODJuly 2024September 2024Allow200NoNo
18774519SEMICONDUCTOR INSPECTION APPARATUSJuly 2024January 2026Allow1800NoNo
18773693MULTI-SOURCE ILLUMINATORJuly 2024June 2025Allow1110NoNo
18774410Superconducting Photon DetectorJuly 2024March 2026Allow2000NoNo
18772396IMAGE SENSORS WITH VARIABLE RESOLUTION IMAGE FORMATJuly 2024December 2025Abandon1710NoNo
18770086MULTISPECTRAL RANGING AND IMAGING SYSTEMSJuly 2024February 2025Allow700NoNo
18767594ACTUATOR APPARATUS WITH LIGHT ACTUATED POSITION SENSOR AND SECURE POSITION VERIFICATIONJuly 2024May 2025Allow1010NoNo
18761729ECCENTRICITY MEASUREMENT METHOD AND MEASUREMENT SYSTEMJuly 2024February 2026Allow2000NoNo
18761829SUBSTRATE PROCESSING APPARATUSJuly 2024January 2026Allow1800NoNo
18761798DETECTION DEVICEJuly 2024March 2026Allow2000NoNo
18761673TRANSMISSIVE OPTICAL SENSOR AND METHOD OF FABRICATING SAMEJuly 2024November 2025Allow1700NoNo
18762207PHOTOELECTRIC CONVERSION APPARATUS, PHOTOELECTRIC CONVERSION SYSTEM, AND MOVABLE BODYJuly 2024November 2024Allow400NoNo
18761358Method for Enhancing Characteristic Signals by Synthesizing Multiple Frequency WavesJuly 2024February 2026Allow2000NoNo
18758665METHOD OF DETERMINING AND RESPONDING TO AN OVERCAST SKY CONDITION IN A SOLAR TRACKER INSTALLATIONJune 2024March 2025Allow810NoNo
18758063MULTIPLEXED PHOTON EMITTER AND CAMERA CONFIGURATION FOR AN IMAGE ACQUISITION DEVICEJune 2024July 2025Allow1310NoNo
18755291OPTICAL DETECTOR, OPTICAL RECEIVER, AND OPTICAL TRANSCEIVERJune 2024January 2026Allow1900NoNo
18724274METHOD FOR IDENTIFYING A SET OF CANDIDATE SUBSTANCES USING A RAMAN SPECTROSCOPY DEVICE, A RAMAN SPECTROSCOPY DEVICE AND A NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUMJune 2024February 2026Allow2000NoNo
18754827APPARATUS FOR MANUFACTURING DISPLAY DEVICEJune 2024May 2025Allow1000NoNo
18751432VOLTAGE-RESPONSIVE IMAGING ELEMENT FOR SAMPLE-DEPENDENT LIGHT EMISSION, IMAGING DEVICE, IMAGING SYSTEM, ASSOCIATED ANALYSIS METHOD AND MANUFACTURING METHODJune 2024August 2025Allow1310NoNo
18752301HIGH-Q WHISPERING GALLERY MODE (WGM) RESONATORS ENCAPSULATED IN POLYDIMETHYLSILOZANE (PDMS) FOR HIGHLY SENSITIVE DISPLACEMENT DETECTIONJune 2024January 2025Allow710YesNo
18722599Microscope System and Corresponding MethodJune 2024January 2026Allow1900NoNo
18748267MEASUREMENT OPTICAL SYSTEM AND PHOTOMETRIC/COLORIMETRIC DEVICEJune 2024January 2026Allow1900NoNo
18722087A METHOD AND SYSTEM FOR DISCRIMINATING DEFECTS PRESENT ON A FRONTSIDE FROM DEFECTS PRESENT ON A BACKSIDE OF A TRANSPARENT SUBSTRATEJune 2024December 2025Allow1800NoNo
18747766PHOTOELECTRIC CONVERSION DEVICE AND PHOTOELECTRIC CONVERSION SYSTEMJune 2024June 2025Allow1210NoNo
18746917IMAGE SENSOR WITH SHARED EXTRINSIC REGIONJune 2024November 2025Allow1710YesNo
18746733Illumination Device and Method for Calibrating an Illumination Device Over Changes in Temperature, Drive Current, and TimeJune 2024November 2025Allow1700NoNo
18746643Emitter Module for an LED Illumination DeviceJune 2024January 2025Allow700NoNo
18720860METHOD FOR MEASURING HELIOSTATS, AND METHOD FOR CALIBRATING HELIOSTATSJune 2024March 2026Allow2100NoNo
18744727WAFER DEFECT ANALYZING DEVICE AND WAFER DEFECT ANALYZING METHODJune 2024October 2025Allow1600NoNo
18744621OPTO-ISOLATOR WITH MEMORYJune 2024January 2025Allow710NoNo
18744109IMAGING DEVICEJune 2024October 2025Allow1610NoNo
18744225RESIN COMPOSITION AND FLOW CELLS INCORPORATING THE SAMEJune 2024February 2026Allow2000NoNo
18719842INSPECTING TOOL FOR INSPECTING MICRO LED ARRAY PANELJune 2024November 2025Allow1700NoNo
18742015DETECTION DEVICE COMPRISING PHOTODIODES WITH STACKED ORGANIC SEMICONDUCTOR LAYERSJune 2024January 2025Allow810NoNo
18719097VALIDATION OF DISPLAYS FOR DISPLAYING REFERENCE COLORSJune 2024February 2026Allow2000NoNo
18739551LIGHT RECEIVING ELEMENT AND DISTANCE MEASURING DEVICEJune 2024January 2026Allow1900NoNo
18738097DEVICE FOR MEASUREMENTS FOR A WEARABLE DEVICE SENSORJune 2024March 2025Allow910NoNo
18735273Sensor ArrangementJune 2024December 2024Allow610NoNo
18733887ELECTRONIC DEVICEJune 2024February 2025Allow910NoNo
18732736CAMERA OPTICAL AXIS CALIBRATING SYSTEM AND CAMERA OPTICAL AXIS CALIBRATING METHODJune 2024December 2025Allow1900NoNo
18733686SYSTEMS AND METHODS FOR IDENTIFYING TAMPERING WITH A MONITORING DEVICEJune 2024July 2025Allow1300NoNo
18680264TESTING METHOD AND TESTING SYSTEM FOR HALO OF DISPLAY PANELMay 2024November 2025Allow1800NoNo
18677941OPTICAL ENCODING SYSTEM COMPENSATING ASSEMBLY TOLERANCEMay 2024February 2026Allow2110NoNo
18675563PHOTOELECTRIC CONVERSION DEVICEMay 2024March 2026Allow2110NoNo
18675837SYSTEMS AND METHODS FOR BREAKDOWN VOLTAGE CORRECTION IN GEIGER-MODE AVALANCHE PHOTODIODE (APD) FOCAL PLANE ARRAYS (FPA)May 2024September 2025Allow1600NoNo
18674153SYSTEM AND METHOD FOR GENERATING AND ANALYZING ROUGHNESS MEASUREMENTS AND THEIR USE FOR PROCESS MONITORING AND CONTROLMay 2024March 2026Allow2220NoNo
18674453System and Method for Imaging Objects Using Entangled PhotonsMay 2024June 2025Allow1300NoNo
18713480METHOD AND DEVICE FOR VISUALISING IMPACTS OF LASER PULSES ON A TARGETMay 2024October 2025Allow1700NoNo
18671434IMAGING DEVICE INCLUDING PHOTOELECTRIC CONVERTERS AND CAPACITORMay 2024October 2025Allow1710NoNo
18671527OPTOELECTRONIC DEVICEMay 2024July 2025Allow1410NoNo
18670748COVER OF OPTICAL SYSTEM WITH GUIDING STRUCTURESMay 2024February 2026Allow2100NoNo
18669229AUTO-FOCUS ENGINE ARCHITECTURE FOR IMAGE SIGNAL PROCESSORMay 2024September 2024Allow400NoNo
18666892Sensor Housing for a Sensor ModuleMay 2024October 2025Allow1700NoNo
18665575VIRTUAL IMAGE DISPLAY SYSTEM AND DISPLAY METHOD THEREOFMay 2024November 2025Allow1800NoNo
18664655Fiber Optic Shape Sensing ManagementMay 2024November 2025Allow1800NoNo
18710475METHOD AND SYSTEM FOR CONTROLLING THE MANUFACTURE OF RUBBER PRODUCTS IN RESPONSE TO THE PHYSICOCHEMICAL PROPERTIES OF A RUBBER MIXTUREMay 2024October 2025Allow1800NoNo
18662517PHOTONIC WAVEGUIDE POWER AND PHASE MONITORMay 2024February 2026Allow2110NoNo
18660260MEASUREMENT HEAD AND CONFOCAL DISPLACEMENT SENSORMay 2024October 2025Allow1700NoNo
18661302METHODS AND SYSTEMS FOR DETECTING SHADING FOR SOLAR TRACKERSMay 2024October 2024Allow610NoNo
18659225DETECTION DEVICE WITH MULTIPLE DETECTION AREASMay 2024February 2026Allow2110NoNo
18659195DETECTION DEVICE INCLUDING LIGHT GUIDE PLATEMay 2024September 2025Allow1720YesNo
18659213DETECTION DEVICEMay 2024March 2025Allow1000NoNo
18708936CYBER-PHYSICAL SYSTEM FOR REAL-TIME DAYLIGHT EVALUATIONMay 2024December 2025Allow1901NoNo
18659231DETECTION DEVICEMay 2024April 2025Allow1120YesNo
18659181DETECTION DEVICEMay 2024January 2025Allow810YesNo
18657633METHODS FOR IMAGE-BASED DETECTION AND SORTING AND SYSTEMS FOR SAMEMay 2024March 2026Allow2210NoNo
18655873Substrate Mapping Apparatus And Method ThereforMay 2024October 2025Allow1800NoNo

Appeals Overview

This analysis examines appeal outcomes and the strategic value of filing appeals for art-unit 2878.

Patent Trial and Appeal Board (PTAB) Decisions

Total PTAB Decisions
97
Examiner Affirmed
72
(74.2%)
Examiner Reversed
25
(25.8%)
Reversal Percentile
17.3%
Lower than average

What This Means

With a 25.8% 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
550
Allowed After Appeal Filing
201
(36.5%)
Not Allowed After Appeal Filing
349
(63.5%)
Filing Benefit Percentile
74.0%
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, 36.5% 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 2878 - Prosecution Statistics Summary

Executive Summary

Art Unit 2878 is part of Group 2870 in Technology Center 2800. This art unit has examined 21,269 patent applications in our dataset, with an overall allowance rate of 83.7%. Applications typically reach final disposition in approximately 27 months.

Comparative Analysis

Art Unit 2878's allowance rate of 83.7% places it in the 77% 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 2878 receive an average of 1.29 office actions before reaching final disposition (in the 11% percentile). The median prosecution time is 27 months (in the 71% 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.