USPTO Art Unit 1721 Prosecution Statistics

Recent Applications

Detailed information about the 100 most recent patent applications.

Application NumberTitleFiling DateDisposal DateDispositionTime (months)Office ActionsRestrictionsInterviewAppeal
19108260BACK CONTACT SOLAR CELL AND MANUFACTURING METHOD THEREFOR, AND PHOTOVOLTAIC MODULEMarch 2025June 2025Allow400NoNo
18880266BACK-CONTACT BATTERY AND MANUFACTURING METHOD THEREOF, AND PHOTOVOLTAIC MODULEDecember 2024May 2025Allow501YesNo
18899182HORIZONTAL BALANCED SOLAR TRACKERSeptember 2024April 2025Allow610NoNo
18894877SYSTEM FOR SUPPLYING POWER TO A PORTABLE BATTERY USING AT LEAST ONE SOLAR PANELSeptember 2024April 2025Allow710NoNo
18839066Mount For Vertical Photovoltaic ModulesAugust 2024April 2025Allow810NoNo
18793358PHOTOVOLTAIC CELLS WITH BYPASS DIODESAugust 2024February 2025Allow601YesNo
18787003HIGH CONCENTRATING PHOTOVOLTAIC SYSTEM WITH PYRAMIDAL MODULESJuly 2024September 2024Allow200YesNo
18784393SOLAR BATTERY MODULEJuly 2024June 2025Allow1100NoNo
18782943THERMOELECTRIC CONVERSION MATERIAL, COMPOSITION FOR THERMOELECTRIC CONVERSION MATERIAL, THERMOELECTRIC CONVERSION ELEMENT, THERMOELECTRIC CONVERSION MODULE, THERMOELECTRIC CONVERSION SYSTEM, AND METHOD OF MANUFACTURING THERMOELECTRIC CONVERSION MATERIALJuly 2024June 2025Allow1100YesNo
18778561Systems and Methods for Multi-Position Solar Panel ArraysJuly 2024September 2024Allow210YesNo
18730241SOLAR GLASS ASSEMBLYJuly 2024March 2025Allow700YesNo
18728629BACK-CONTACT SOLAR CELL, MANUFACTURING METHOD THEREFOR, AND SOLAR-CELL ASSEMBLYJuly 2024June 2025Allow1100NoNo
18768660SOLAR CELL AND MANUFACTURING METHOD THEREOF, PHOTOVOLTAIC MODULE, AND PHOTOVOLTAIC SYSTEMJuly 2024February 2025Allow2511NoNo
18767107SOLAR PANEL PROTECTIVE CONTAINER APPARATUS AND SYSTEMJuly 2024May 2025Abandon1110YesNo
18765993PASSIVATED CONTACT STRUCTURE AND SOLAR CELL COMPRISING THE SAME, CELL ASSEMBLY, AND PHOTOVOLTAIC SYSTEMJuly 2024January 2025Allow610YesNo
18765184PASSIVATED CONTACT STRUCTURE AND SOLAR CELL COMPRISING THE SAME, CELL ASSEMBLY, AND PHOTOVOLTAIC SYSTEMJuly 2024May 2025Allow1020YesNo
18764166BATTERY MODULE, MODULE COMBINATION, BATTERY PACK, AND ELECTRIC APPARATUSJuly 2024November 2024Allow510NoNo
18310233HOT MELT COMPOSITION IN THE FORM OF A FILM FOR USE IN THIN FILM PHOTOVOLTAIC MODULESJune 2024March 2024Allow1110YesNo
18741272AUTOMATIC ALIGNMENT DEVICE AND ALIGNMENT METHOD FOR PHOTOVOLTAIC MODULE FILMJune 2024May 2025Allow1111NoNo
18670244Hydrochloric Acidic Surface Treatment for Multivalent Battery Metal ElectrodeMay 2024April 2025Allow1110NoNo
18708811DISTRIBUTOR UNITMay 2024August 2024Allow300NoNo
18657783PASSIVATED CONTACT STRUCTURE AND SOLAR CELL COMPRISING THE SAME, CELL ASSEMBLY, AND PHOTOVOLTAIC SYSTEMMay 2024August 2024Allow300NoNo
18656773COOLING SYSTEM FOR SOLAR ENERGY CONVERSION DEVICEMay 2024June 2025Abandon1320NoNo
18655626PREFABRICATED PHOTOVOLTAIC INTEGRATED PANEL WITH MOISTURE MANAGEMENT SYSTEM, AND FABRICATED PHOTOVOLTAIC ENVELOPE SYSTEMMay 2024December 2024Allow711NoNo
18654363GPS POSITIONING STAKE WITH SOLAR PANEL ADJUSTABLE IN ANGLEMay 2024June 2025Allow1400NoNo
18645370DOPED REGION STRUCTURE AND SOLAR CELL COMPRISING THE SAME, CELL ASSEMBLY, AND PHOTOVOLTAIC SYSTEMApril 2024September 2024Allow510NoNo
18634948Method for manufacturing a laminar layered photovoltaic panel and a laminar layered photovoltaic panel manufactured with the methodApril 2024April 2025Allow1200YesNo
18624403ELECTRODE STRUCTURE, SOLAR CELL, AND PHOTOVOLTAIC MODULEApril 2024February 2025Allow1010NoNo
18624908ALIGNMENT BRACKETApril 2024February 2025Allow1121YesNo
18697852PHOTOVOLTAIC SYSTEMApril 2024May 2025Allow1400NoNo
18615162INTELLIGENT SOLAR RACKING SYSTEMMarch 2024January 2025Allow1020YesNo
18614488BACK-CONTACT SOLAR CELL, METHOD FOR PREPARING THE SAME, AND PHOTOVOLTAIC MODULEMarch 2024March 2025Allow1111YesNo
18600467SOLAR CELL AND PHOTOVOLTAIC MODULEMarch 2024April 2025Allow1310NoNo
18597962Automatic solar tracking photovoltaic power generation deviceMarch 2024September 2024Allow610NoNo
18593812SOLAR CELL, METHOD FOR PREPARING THE SAME, AND PHOTOVOLTAIC MODULEMarch 2024March 2025Allow1311NoNo
18591939SOLAR PANEL SYSTEMFebruary 2024June 2025Allow1600NoNo
18590798PHOTOVOLTAIC CELL, METHOD FOR MANUFACTURING SAME, AND PHOTOVOLTAIC MODULEFebruary 2024January 2025Allow1110NoNo
18583680PROTECTION OF SPACE SOLAR CELLS IN AN ARRANGEMENT IN THE FORM OF A STRINGFebruary 2024April 2025Allow1400NoNo
18582463SOLAR CELL AND PHOTOVOLTAIC MODULEFebruary 2024July 2024Allow501NoNo
18443637THERMOELECTRIC ELEMENTFebruary 2024December 2024Allow1010NoNo
18439654SOLAR CELL, METHOD FOR MANUFACTURING SOLAR CELL, AND PHOTOVOLTAIC MODULEFebruary 2024December 2024Allow1011NoNo
18434576SOLAR CELL AND SOLAR CELL MODULEFebruary 2024May 2025Allow1510NoNo
18433366Methods for Coupling Solar CellsFebruary 2024February 2025Allow1210NoNo
18431409COVER PLATE ASSEMBLY AND FOLDABLE COVER PLATEFebruary 2024January 2025Allow1120YesNo
18429552PHOTOVOLTAIC LAMP USING UV ADHESIVE AND GLASS COVER FOR PACKAGINGFebruary 2024December 2024Allow1121NoNo
18425245LITHIUM ANTIMONIDE SULFIDE AS LI CONDUCTIVE COMPOUNDS FOR THE APPLICATION OF THICK COATING LAYER IN LI METAL BATTERY AND SOLID ELECTROLYTE IN ALL-SOLID-STATE LITHIUM BATTERIESJanuary 2024August 2024Allow700NoNo
18424301DEVICE FOR PHOTOVOLTAIC POWER GENERATION AND METHOD THEREFORJanuary 2024June 2024Allow500YesNo
18424467SOLAR CELL AND PRODUCTION METHOD THEREOF, PHOTOVOLTAIC MODULEJanuary 2024March 2025Allow1400NoNo
18424563SOLAR CELL, METHOD FOR PREPARING THE SAME, AND PHOTOVOLTAIC MODULEJanuary 2024July 2024Allow601NoNo
18415294SOLAR ARRAY WITH REFERENCE SOLAR POWER PLANT FOR IMPROVED MANAGEMENTJanuary 2024August 2024Allow700NoNo
18408483DISTRIBUTED MULTI-MODAL POWER MAXIMIZING INTEGRATED CIRCUIT FOR SOLAR PHOTOVOLTAIC MODULESJanuary 2024April 2025Allow1520NoNo
18405766BUILDING INTEGRATED PHOTOVOLTAIC SYSTEMJanuary 2024June 2025Allow1700NoNo
18404643HEAT-UTILIZING POWER GENERATION MODULE AND THERMAL POWER GENERATION DEVICE EQUIPPED WITH SAMEJanuary 2024February 2025Allow1310NoNo
18403617PHOTOVOLTAIC TRACKING SUPPORT AND TRANSMISSION DEVICE THEREOFJanuary 2024September 2024Allow900NoNo
18399623SOLAR CELL AND METHOD FOR PRODUCING THE SAMEDecember 2023January 2025Allow1320NoNo
18399448METHOD FOR MANUFACTURING PHOTOVOLTAIC MODULE, AND PHOTOVOLTAIC MODULEDecember 2023May 2025Abandon1620NoNo
18397455METHOD FOR MANUFACTURING PHOTOVOLTAIC MODULE AND PHOTOVOLTAIC MODULEDecember 2023August 2024Allow811NoNo
18396268PHOTOVOLTAIC MODULEDecember 2023July 2024Allow710NoNo
18545592SYSTEM FOR SUPPLYING POWER TO A PORTABLE BATTERY USING AT LEAST ONE SOLAR PANELDecember 2023July 2024Allow610NoNo
18545549BATTERY WITH FLEXIBLE OMNIDIRECTIONAL LEADSDecember 2023July 2024Allow710YesNo
18539378ROTATABLE AIRFOIL STRUCTURE WITH INTEGRATED SOLAR PHOTOVOLTAIC ELECTRICITY GENERATIONDecember 2023March 2025Allow1500NoNo
18534564SOLAR CELL AND PRODUCTION METHOD THEREOF, PHOTOVOLTAIC MODULEDecember 2023November 2024Allow1110NoNo
18531640PHOTOVOLTAIC FRAME, PHOTOVOLTAIC MODULE AND METHOD FOR MANUFACTURING PHOTOVOLTAIC FRAMEDecember 2023March 2025Allow1610NoNo
18531648SOLAR CELL AND PHOTOVOLTAIC MODULEDecember 2023June 2024Allow601NoNo
18528948INNOVATIVE NANOPORE SEQUENCING TECHNOLOGYDecember 2023November 2024Allow1110YesNo
18523378CONTROLLING DEVICE HAVING AN ENERGY HARVESTING FEATURENovember 2023May 2025Allow1800NoNo
18522465STRUCTURE FOR INSTALLATION OF SOLAR POWER GENERATION PANEL ON ROOFNovember 2023May 2025Allow1810NoNo
18521384METHOD FOR MANUFACTURING SUBSTRATE FOR SOLAR CELL AND SUBSTRATE FOR SOLAR CELLNovember 2023October 2024Allow1110YesNo
18518397THIN FILM PHOTOVOLTAIC CELL, CELL PACK AND METHOD OF FABRICATING THIN FILM PHOTOVOLTAIC CELLNovember 2023September 2024Allow1011NoNo
18516427SOLAR ANTENNA ARRAY FABRICATIONNovember 2023March 2025Allow1610NoNo
18511685Adjustable Supporting Structure for One or More Photovoltaic PanelsNovember 2023April 2025Allow1700NoNo
18506020PHOTOVOLTAIC MODULENovember 2023March 2025Abandon1620NoNo
18506068METHOD FOR MANUFACTURING A SILICON WAFER, SOLAR CELL, AND PHOTOVOLTAIC MODULENovember 2023December 2024Abandon1421NoNo
18504051BACK CONTACT SOLAR CELL AND FABRICATION METHOD THEROFNovember 2023June 2024Allow800YesNo
18386531SOLAR CELL, METHOD FOR MANUFACTURING THE SAME, PHOTOVOLTAIC MODULE, AND PHOTOVOLTAIC SYSTEMNovember 2023June 2024Allow820YesNo
18495582STRUCTURAL SUPPORT GRID FOR FLOATING SOLAR ARRAYOctober 2023January 2024Allow200NoNo
18383193360 degree rotating sun panel that automatically cleans dust and resists hurricanesOctober 2023February 2025Allow1500NoNo
18490663METHOD FOR MANUFACTURING PHOTOVOLTAIC MODULE AND PHOTOVOLTAIC MODULEOctober 2023June 2024Allow811NoNo
18489819SYSTEMS AND METHODS TO CONVERT SOLAR RADIATION INTO ELECTRICITYOctober 2023April 2025Abandon1810NoNo
18488909SOLAR CELL AND PHOTOVOLTAIC MODULEOctober 2023June 2024Allow820NoNo
18487310METHOD FOR MAKING A MODULAR SOLAR PANELOctober 2023May 2025Allow1911YesNo
18378128Photovoltaic Devices and Method of MakingOctober 2023October 2024Allow1220NoNo
18378023MULTIJUNCTION SOLAR CELLSOctober 2023December 2024Allow1521NoNo
18376922CONTROLLING DEVICE HAVING AN ENERGY HARVESTING FEATUREOctober 2023November 2024Allow1310NoNo
18480339UV-RESISTANT PHOTOVOLTAIC MODULEOctober 2023December 2024Abandon1420NoNo
18374819DOPED REGION STRUCTURE AND SOLAR CELL COMPRISING THE SAME, CELL ASSEMBLY, AND PHOTOVOLTAIC SYSTEMSeptember 2023February 2024Allow510NoNo
18478380SOLAR CELL AND METHOD FOR MANUFACTURING SOLAR CELLSeptember 2023March 2025Allow1800NoNo
18474149Passively Deployable Solar Panel Array with Truss Backing and Synchronizing LinkagesSeptember 2023February 2025Allow1710NoNo
18372553Rotatable AI solar panel system for houses roofSeptember 2023June 2025Abandon2110NoNo
18473639Flat-on-ground Utility-Scale Photovoltaic Array With Edge Portions Resting On Ground Support AreaSeptember 2023June 2025Abandon2010NoNo
18283473BACKSHEET STACK FOR A PHOTOVOLTAIC MODULE, AND A METHOD FOR THE PRODUCTION THEREOFSeptember 2023March 2025Allow1810NoNo
18471431PHOTOVOLTAIC MODULESeptember 2023July 2024Allow1020YesNo
18471776PHOTOVOLTAIC MODULES INTEGRATED WITH BUILDING SIDING AND FENCINGSeptember 2023February 2024Allow511NoNo
18369946FILM PREPARATION METHOD, SOLAR CELL, PHOTOVOLTAIC DEVICE, AND PHOTOVOLTAIC SYSTEMSeptember 2023April 2025Allow1921NoNo
18282558PROCESS FOR MANUFACTURING A SOLAR CELL STRING, SOLAR CELL STRING, PROCESSING DEVICE FOR A SOLAR CELL STRING, AND USE OF SUCH A PROCESSING DEVICE FOR MANUFACTURING A SOLAR CELL STRINGSeptember 2023February 2025Allow1701NoNo
18369011SOLAR CELL AND PHOTOVOLTAIC MODULESeptember 2023October 2024Allow1310NoNo
18468340SOLAR WINDOW IMPROVEMENTSeptember 2023January 2024Allow410YesNo
18466805PHOTOVOLTAIC CELL AND PHOTOVOLTAIC MODULESeptember 2023July 2024Allow1010NoNo
18550240PHOTOVOLTAIC DEVICE WITH PASSIVATED CONTACT AND CORRESPONDING METHOD OF MANUFACTURESeptember 2023June 2025Allow2100NoNo
18367235SOLAR CELL, MANUFACTURING METHOD THEREOF, AND PHOTOVOLTAIC MODULESeptember 2023July 2024Allow1010NoNo

Appeals Overview

This analysis examines appeal outcomes and the strategic value of filing appeals for art-unit 1721.

Patent Trial and Appeal Board (PTAB) Decisions

Total PTAB Decisions
168
Examiner Affirmed
121
(72.0%)
Examiner Reversed
47
(28.0%)
Reversal Percentile
26.9%
Lower than average

What This Means

With a 28.0% 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
544
Allowed After Appeal Filing
176
(32.4%)
Not Allowed After Appeal Filing
368
(67.6%)
Filing Benefit Percentile
48.4%
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, 32.4% 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 1721 - Prosecution Statistics Summary

Executive Summary

Art Unit 1721 is part of Group 1720 in Technology Center 1700. This art unit has examined 12,334 patent applications in our dataset, with an overall allowance rate of 71.7%. Applications typically reach final disposition in approximately 27 months.

Comparative Analysis

Art Unit 1721's allowance rate of 71.7% places it in the 32% percentile among all USPTO art units. This art unit has a below-average allowance rate compared to other art units.

Prosecution Patterns

Applications in Art Unit 1721 receive an average of 1.89 office actions before reaching final disposition (in the 56% percentile). The median prosecution time is 27 months (in the 59% 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 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.