USPTO Art Unit 1726 Prosecution Statistics

Art Unit Information

Art Unit: 1726
Group: 1720
Tech Center: 1700
Total Cases: 12,418
Last Active: July 2025

Recent Applications

Detailed information about the 100 most recent patent applications.

Application NumberTitleFiling DateDisposal DateDispositionTime (months)Office ActionsRestrictionsInterviewAppeal
19282526Thermophotovoltaic Receivers Comprising Extruded Cores and Integrated Submount Assemblies Supporting Thermophotovoltaic CellsJuly 2025March 2026Allow711YesNo
19277050APPARATUS AND METHODS FOR EFFICIENT CONVERSION OF HEAT TO ELECTRICITY VIA EMISSION OF CHARACTERISTIC RADIATIONJuly 2025December 2025Allow510NoNo
19261925Back-Contact Solar Cell, Battery Assembly and Photovoltaic SystemJuly 2025February 2026Allow710NoNo
19249552SPACE-BASED SOLAR POWER SYSTEMJune 2025September 2025Allow310NoNo
19246611PHOTOVOLTAIC ARRAY CLEANING SYSTEMJune 2025August 2025Allow100YesNo
19246590PHOTOVOLTAIC PANEL AIR SPRAY CLEANING SYSTEMJune 2025August 2025Allow100YesNo
19246520PRESSURE AND ELECTROSTATIC PHOTOVOLTAIC CLEANING SYSTEMJune 2025August 2025Allow200YesNo
19207449MARINE-BASED SOLAR ELECTRICAL GENERATING SYSTEMMay 2025June 2025Allow100YesNo
19207456METHOD FOR GENERATING SOLAR ELECTRICAL ENERGY IN A MARINE ENVIRONMENTMay 2025June 2025Allow100YesNo
19207165METHOD FOR GENERATING ELECTRICITY USING A MULTILAYER PEROVSKITE SOLAR CELLMay 2025November 2025Allow610YesNo
19207079SOLAR CELL WITH FULLERENE AND PERVOSKITE LAYERSMay 2025November 2025Allow620NoNo
19206985LEAD-FREE PEROVSKITE SOLAR CELL WITH MULTILAYER FRAMED ASSEMBLYMay 2025September 2025Allow410YesNo
19191528SOLAR PANEL SYSTEM FOR OPERATION IN AIRBORNE PARTICULATE ENVIRONMENTApril 2025September 2025Allow520YesNo
19185001PONTOON PLATFORM SUPPORTED SOLAR VOLTAIC SYSTEMApril 2025July 2025Allow310NoNo
19180073PHOTOVOLTAIC ASSEMBLY CONVENIENT FOR ANGLE ADJUSTMENTApril 2025November 2025Allow710NoNo
19092350DEPLOYABLE SOLAR PANEL SYSTEM FOR VEHICLESMarch 2025July 2025Allow410NoNo
19086937LEAD ASSEMBLY FOR CONNECTING SOLAR PANEL ARRAYS TO INVERTERMarch 2025August 2025Allow410NoNo
19078979LEAD ASSEMBLY FOR CONNECTING SOLAR PANEL ARRAYS TO INVERTERMarch 2025August 2025Allow611NoNo
19073131HYBRID PHOTOVOLTAIC THERMAL SYSTEM WITH SPECTRUM SCREENINGMarch 2025February 2026Allow1110NoNo
19107170BACK-CONTACT SOLAR CELL AND PREPARATION METHOD THEREFORFebruary 2025January 2026Allow1110YesNo
19100378PORTABLE CONSUMER ELECTRONIC APPARATUSJanuary 2025February 2026Abandon1311NoNo
19030893SOLAR CELL AND PHOTOVOLTAIC MODULEJanuary 2025December 2025Allow1130YesNo
19030278SOLAR CELLS HAVING HYBRID ARCHITECTURES INCLUDING DIFFERENTIATED P-TYPE AND N-TYPE REGIONS WITH OFFSET CONTACTSJanuary 2025October 2025Allow900NoNo
19028138FLOATING STRUCTURE FOR ECO-ADAPTIVE FLOATING PHOTOVOLTAIC SYSTEMJanuary 2025March 2025Allow210NoNo
19014631DETACHABLE IN-SITU THERMOVOLTAIC POWER GENERATION MODULE FOR DEEP GEOTHERMAL ENERGY AND ASSEMBLY METHOD THEREOFJanuary 2025July 2025Allow610NoNo
18971907LIGAND MODIFIED PEROVSKITE OPTOELECTRONIC DEVICESDecember 2024January 2026Abandon1321NoNo
18959539SOLAR TABLE CLAMPNovember 2024March 2026Allow1600YesNo
18867574SOLAR CELL, METHOD FOR MANUFACTURING THE SAME, PHOTOVOLTAIC MODULE AND PHOTOVOLTAIC SYSTEMNovember 2024July 2025Allow710NoNo
18865934PELTIER ELEMENT WITH HEAT FLUX SENSORNovember 2024March 2026Allow1610NoNo
18939369ALIGNED METALLIZATION FOR SOLAR CELLSNovember 2024September 2025Allow1000NoNo
18933503METHOD FOR OPTIMIZING ASPECT RATIO OF METAL GRID BASED ON SURFACE MODIFICATIONOctober 2024June 2025Allow811NoNo
18932288APPARATUS AND METHODS FOR EFFICIENT CONVERSION OF HEAT TO ELECTRICITY VIA EMISSION OF CHARACTERISTIC RADIATIONOctober 2024April 2025Allow511NoNo
18857385CERAMIC FILM, METHOD FOR MANUFACTURING THE SAME, EMITTER, AND THERMOPHOTOVOLTAIC POWER GENERATION DEVICEOctober 2024March 2026Allow1710NoNo
18901063SOLAR CELL SHEET AND SOLAR CELL PANELSeptember 2024March 2025Allow510NoNo
18902774Solar Cell ModuleSeptember 2024February 2026Abandon1720NoNo
18889392SMART SOLAR CELL STREETLIGHTSeptember 2024March 2026Abandon1810NoNo
18887743RAPID SHUTDOWN DEVICE FOR PHOTOVOLTAIC MODULESSeptember 2024December 2024Allow301YesNo
18884233ULTRATHIN SILICON OXYNITRIDE INTERFACE MATERIAL, TUNNEL OXIDE PASSIVATED STRUCTURE AND PREPARATION METHODS AND APPLICATIONS THEREOFSeptember 2024August 2025Allow1120YesNo
18842630AN ASSEMBLY FOR SOLAR PANELS WITH ULTRACAPACITOR-BATTERY HYBRID STORAGE SYSTEMAugust 2024January 2026Allow1720NoNo
18818668LONG-ACTING AND STABLE PEROVSKITE SOLAR CELL AND PREPARATION METHOD THEREOFAugust 2024November 2024Allow300NoNo
18840751A FLEXIBLE TRACKING BRACKETAugust 2024January 2026Allow1710YesNo
18810236Auto-Engaging Electrical Connections for Solar PanelsAugust 2024October 2024Allow120YesNo
18802711ELECTRICAL COMPONENTS FOR PHOTOVOLTAIC SYSTEMSAugust 2024September 2025Allow1310NoNo
18799458SOLAR CELL STRUCTURES FOR IMPROVED CURRENT GENERATION AND COLLECTIONAugust 2024March 2026Allow1910NoNo
18798739SOLAR ARRAY MOUNTING SYSTEM WITH RAINWATER MANAGEMENTAugust 2024August 2025Allow1321YesNo
18836765LIGHT EMITTING DIODE (LED) FOR OPTICAL EFFICIENCYAugust 2024January 2026Abandon1710NoNo
18793087AI-DRIVEN BIOMIMETIC CLUSTERED PHOTOVOLTAIC SYSTEM FOR ENHANCED SOLAR ENERGY GENERATION AND OPTIMIZATIONAugust 2024March 2025Allow730YesNo
18790628SOLAR CELL AND MANUFACTURING METHOD THEREOF, PHOTOVOLTAIC MODULE AND PHOTOVOLTAIC SYSTEMJuly 2024December 2025Allow1631YesNo
18786827SOLAR TRACKING SYSTEM AND ENERGY NETWORKJuly 2024February 2025Allow710YesNo
18783283METALLIZATION OF SOLAR CELLSJuly 2024September 2025Allow1410NoNo
18782958THERMOELECTRIC CONVERSION MATERIAL, COMPOSITION FOR THERMOELECTRIC CONVERSION MATERIAL, THERMOELECTRIC CONVERSION ELEMENT, THERMOELECTRIC CONVERSION MODULE, THERMOELECTRIC CONVERSION SYSTEM, AND METHOD OF MANUFACTURING THERMOELECTRIC CONVERSION MATERIALJuly 2024January 2026Abandon1801NoNo
18782917THERMOELECTRIC CONVERSION MATERIAL, COMPOSITION FOR THERMOELECTRIC CONVERSION MATERIAL, THERMOELECTRIC CONVERSION ELEMENT, THERMOELECTRIC CONVERSION MODULE, THERMOELECTRIC CONVERSION SYSTEM, AND METHOD OF MANUFACTURING THERMOELECTRIC CONVERSION MATERIALJuly 2024January 2026Abandon1801NoNo
18777912ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICESJuly 2024November 2025Allow1610YesNo
18775847CHEMICALLY STRENGTHENED GLASS AND METHOD FOR MANUFACTURING SAMEJuly 2024February 2025Allow710NoNo
18773024RAPIDLY DEPLOYABLE AND TRANSPORTABLE HIGH-POWER-DENSITY SMART POWER GENERATORSJuly 2024October 2025Allow1510NoNo
18773281SOLAR CELL EMITTER REGION FABRICATION WITH DIFFERENTIATED P-TYPE AND N-TYPE ARCHITECTURES AND INCORPORATING A MULTI-PURPOSE PASSIVATION AND CONTACT LAYERJuly 2024July 2025Allow1200NoNo
18768878STACKED CELL AND PREPARATION METHOD THEREOFJuly 2024March 2025Allow811YesNo
18765026TWO-TERMINAL DEVICEJuly 2024July 2025Allow1310NoNo
18760533MULTIVALENT ORGANIC SALTS FOR PHOTOVOLTAICSJuly 2024March 2026Abandon2120NoYes
18758675INTEGRATED PHOTOVOLTAIC ROOFING SHINGLES, METHODS, SYSTEMS, AND KITS THEREOFJune 2024July 2025Allow1210YesNo
18725211INSTALLATION SYSTEM FOR PHOTOVOLTAIC PANELSJune 2024December 2025Abandon1710NoNo
18756209SEMICONDUCTOR DEVICE MANUFACTURING METHODJune 2024March 2026Allow2010YesNo
18754287SOLAR CELL AND MANUFACTURING METHOD THEREOF, PHOTOVOLTAIC MODULE, AND PHOTOVOLTAIC SYSTEMJune 2024July 2025Allow1221YesNo
18724273ULTRALIGHT-WEIGHT PROTECTIVE BARRIERS FOR SPACE-BASED PEROVSKITE PHOTOVOLTAICSJune 2024December 2025Allow1720YesNo
18750705Vehicular Electricity Generating Canopy ApplianceJune 2024December 2025Allow1810YesNo
18744632SOLAR PANEL ASSEMBLYJune 2024October 2025Allow1610YesNo
18740855APPARATUS FOR MOUNTING A SOLAR PANEL ON A VEHICLEJune 2024January 2026Abandon1910NoNo
18738881PHOTOVOLTAIC POWER GENERATION MODULE USING CONDENSING LENS HAVING MEDIUM THEREIN AND PHOTOVOLTAIC/SOLAR HEAT POWER GENERATION SYSTEM INCLUDING THE SAMEJune 2024January 2026Allow2010NoNo
18736644Bracket for Power DeviceJune 2024March 2026Abandon2101NoNo
18736516Tower Mounted Solar Apparatus and MethodJune 2024June 2025Allow1200YesNo
18731886CLAMP FOR SECURING A SOLAR PANEL MODULEJune 2024March 2026Allow2111YesNo
18731152NOVEL TOPCON CELL STRUCTURE AND PREPARATION METHOD THEREOFMay 2024August 2025Abandon1421NoNo
18677512Self-ballasted Pre-engineered Modular Platform Assembled Onsite For Generating Electricity With Bifacial Photovoltaic ModulesMay 2024February 2026Abandon2001NoNo
18711885METHOD FOR ACTIVATING AN ABSORBER LAYER OF A THIN-FILM SOLAR CELLMay 2024November 2025Allow1810NoNo
18668583SOLAR MODULE COUPLINGS FOR SOLAR TRACKERMay 2024September 2025Allow1610YesNo
18665404FLEXIBLE MODULAR SOLAR PANELMay 2024February 2026Allow2120NoNo
18664329Hybrid Photovoltaic Device Having Rigid Planar Segments and Flexible Non-Planar SegmentsMay 2024August 2025Allow1510NoNo
18654146TWO AXIS SOLAR PANEL TRACKING SYSTEM USING ROTATIONAL AND AXIALLY LONGITUDINAL MOTIONMay 2024December 2024Allow721NoNo
18653812METHOD FOR MANUFACTURING A SOLAR PANEL HAVING A SOLAR CELL AND INTEGRATED CIRCUITS ON THE SAME SILICON WAFERMay 2024January 2026Abandon2110NoNo
18653452SEALING MATERIAL SHEET FOR SOLAR-CELL MODULE AND SOLAR-CELL MODULE USING THE SAMEMay 2024August 2025Allow1610YesNo
18652594MOUNTING PIN FOR PHOTOVOLTAIC MODULE MOUNTING SYSTEMMay 2024November 2025Allow1810NoNo
18650639SOLAR POWER GENERATION AND AGRICULTURAL MATERIAL DISPERSAL SYSTEMApril 2024February 2026Abandon2110NoNo
18647541Ground-Based Photovoltaic SystemApril 2024December 2025Abandon2001NoNo
18647246SYSTEMS AND METHODS OF REMOTE OBJECT TRACKINGApril 2024August 2024Allow410NoNo
18647919ROCKING SOLAR PANEL SUN TRACKING RESTRAINING MOUNTING SYSTEMApril 2024December 2025Abandon2010NoNo
18642631WINDOW-INTEGRATED TRANSPARENT PHOTOVOLTAIC MODULEApril 2024September 2025Abandon1601NoNo
18642041SYSTEMS AND METHODS FOR AN ENHANCED WATCHDOG IN SOLAR MODULE INSTALLATIONSApril 2024September 2025Allow1710NoNo
18703157SOLAR CELL AND MANUFACTURING METHOD THEREFORApril 2024July 2025Allow1510YesNo
18637961HORIZONTAL SOLAR TRACKERApril 2024November 2025Abandon1920NoNo
18636897System and Methods for Determining Characteristics of a Photovoltaic PanelApril 2024August 2025Allow1601NoNo
18630186Mobile Solar Power StationApril 2024February 2026Abandon2211NoNo
18626523MASS INERTER FOR SOLAR TRACKERSApril 2024February 2026Allow2321NoNo
18625850MODULAR AND ROTATIONAL SOLAR POWER SOURCE SYSTEMS, APPARATUSES AND METHODSApril 2024January 2026Allow2111YesNo
18625871PRECONFIGURED DEPLOYABLE SOLAR ENERGY PACKAGEApril 2024January 2026Allow2111NoNo
18624621THERMOELECTRIC ELEMENTApril 2024November 2025Allow1910YesNo
18625099SOLAR CELL AND SOLAR CELL MODULEApril 2024November 2025Allow1920YesNo
18623950METALLIZATION AND STRINGING FOR BACK-CONTACT SOLAR CELLSApril 2024September 2025Allow1811NoNo
18622623INTEGRATED WATERLESS PHOTOVOLTAIC CLEANING MECHANISMMarch 2024May 2025Allow1400NoNo
18697072PHOTOELECTRIC CONVERSION MODULE, PADDLE, AND METHOD FOR MANUFACTURING PHOTOELECTRIC CONVERSION MODULEMarch 2024December 2025Allow2110YesNo
18617124DEPLOYABLE ARRAY STRUCTURE AND ASSEMBLY INCLUDING THE ARRAY STRUCTUREMarch 2024March 2026Allow2420YesNo

Appeals Overview

This analysis examines appeal outcomes and the strategic value of filing appeals for art-unit 1726.

Patent Trial and Appeal Board (PTAB) Decisions

Total PTAB Decisions
364
Examiner Affirmed
248
(68.1%)
Examiner Reversed
116
(31.9%)
Reversal Percentile
47.1%
Lower than average

What This Means

With a 31.9% reversal rate, the PTAB reverses the examiner's rejections in a meaningful percentage 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
985
Allowed After Appeal Filing
296
(30.1%)
Not Allowed After Appeal Filing
689
(69.9%)
Filing Benefit Percentile
36.6%
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, 30.1% 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.

Art Unit 1726 - Prosecution Statistics Summary

Executive Summary

Art Unit 1726 is part of Group 1720 in Technology Center 1700. This art unit has examined 12,418 patent applications in our dataset, with an overall allowance rate of 63.4%. Applications typically reach final disposition in approximately 35 months.

Comparative Analysis

Art Unit 1726's allowance rate of 63.4% places it in the 19% percentile among all USPTO art units. This art unit has a significantly lower allowance rate than most art units at the USPTO.

Prosecution Patterns

Applications in Art Unit 1726 receive an average of 2.45 office actions before reaching final disposition (in the 85% percentile). The median prosecution time is 35 months (in the 29% percentile).

Strategic Considerations

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

  • The art unit's allowance rate suggests a more challenging examination environment compared to the USPTO average.
  • With more office actions than average, plan for multiple rounds of prosecution.
  • The median prosecution time is longer 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.