USPTO Art Unit 2821 Prosecution Statistics

Recent Applications

Detailed information about the 100 most recent patent applications.

Application NumberTitleFiling DateDisposal DateDispositionTime (months)Office ActionsRestrictionsInterviewAppeal
17815950METHODS OF MANUFACTURING SEMICONDUCTOR PACKAGING DEVICE AND HEAT DISSIPATION STRUCTUREJuly 2022March 2023Allow3600NoNo
17134534INTERFACE OF INTEGRATED CIRCUIT DIE AND METHOD FOR ARRANGING INTERFACE THEREOFDecember 2020June 2023Allow3011NoNo
17133290TRANSISTORS HAVING VERTICAL NANOSTRUCTURESDecember 2020May 2023Allow2900NoNo
17255207DISPLAY STRUCTUREDecember 2020March 2024Abandon3910NoNo
17254268DISPLAY PANEL AND DISPLAY DEVICEDecember 2020November 2023Allow3510NoNo
17127823MEMORY DEVICE INCLUDING SELF-ALIGNED CONDUCTIVE CONTACTSDecember 2020February 2023Allow2621NoNo
17126907METHOD OF PRODUCING A SEMICONDUCTOR LASER AND SEMICONDUCTOR LASERDecember 2020January 2024Allow3720NoNo
17253088NUCLEIC ACID-BASED ELECTRICALLY READABLE, READ-ONLY MEMORYDecember 2020November 2023Allow3500NoNo
17252717DISPLAY DEVICE, DISPLAY PANEL, AND MANUFACTURING METHODDecember 2020November 2023Allow3510NoNo
17120298A PACKAGE-ON-PACKAGE (POP) ELECTRONIC DEVICE AND MANUFACTURING METHOD THEREOFDecember 2020January 2023Allow2510NoNo
17116807ORGANIC LIGHT-EMITTING DISPLAY DEVICE HAVING AN UPPER SUBSTRATE FORMED BY A METAL AND METHOD OF FABRICATING THE SAMEDecember 2020March 2024Abandon3940YesNo
17115710SEMICONDUCTOR ASSEMBLIES USING EDGE STACKING AND METHODS OF MANUFACTURING THE SAMEDecember 2020November 2023Allow3660YesNo
17115679SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOFDecember 2020December 2022Allow2400NoNo
16973014ARRAY SUBSTRATE AND DISPLAY PANELDecember 2020July 2023Allow3200NoNo
17112357SEMICONDUCTOR DEVICEDecember 2020March 2023Allow2810NoNo
16972030DISPLAY PANEL HAVING FIRST AND SECOND WIRES EXTENDED AND ARRANGED IN THE SAME DIRECTION IN THE BEZEL REGIONDecember 2020September 2023Allow3400NoNo
17112449THIN FILM TRANSISTOR ARRAY SUBSTRATE FOR DIGITAL X-RAY DETECTOR DEVICE AND DIGITAL X-RAY DETECTOR DEVICE AND MANUFACTURING METHOD THEREOFDecember 2020May 2023Allow3030YesNo
15734399ARRAY SUBSTRATE, FABRICATION METHOD FOR ARRAY SUBSTRATE, AND DISPLAY PANELDecember 2020December 2022Allow2410NoNo
17108694ASSORTMENT OF SUBSTRATES FOR SEMICONDUCTOR CIRCUITS, CORRESPONDING ASSORTMENT OF DEVICES AND METHODDecember 2020March 2023Allow2711NoNo
17106937METHODS OF FABRICATING PLANAR INFRARED PHOTODETECTORSNovember 2020January 2023Allow2511NoNo
17106792THREE-DIMENSIONAL MEMORY DEVICE WITH DIELECTRIC ISOLATED VIA STRUCTURES AND METHODS OF MAKING THE SAMENovember 2020October 2023Abandon3421NoYes
17059231ARRAY SUBSTRATE, MANUFACTURING METHOD THEREOF AND DISPLAY APPARATUSNovember 2020June 2023Allow3020NoNo
17103792INTEGRATE STRESSOR WITH GE PHOTODIODE USING A SUBSTRATE REMOVAL PROCESSNovember 2020April 2023Allow2921YesNo
16952939METHODS OF FORMING MICROELECTRONIC DEVICES, AND RELATED MICROELECTRONIC DEVICES, MEMORY DEVICES, AND ELECTRONIC SYSTEMSNovember 2020August 2023Allow3321YesNo
16950855HIGH POWER DEVICE FAULT LOCALIZATION VIA DIE SURFACE CONTOURINGNovember 2020January 2024Allow3810YesNo
17099188Metal/Dielectric/Metal Hybrid Hard Mask To Define Ultra-Large Height Top Electrode For Sub 60nm MRAM DevicesNovember 2020March 2023Allow2820NoNo
17098412SEMICONDUCTOR DEVICES INCLUDING PROTRUDING INSULATION PORTIONS BETWEEN ACTIVE FINSNovember 2020December 2023Allow3710YesNo
17095550METHOD FOR MANUFACTURING A SUBSTRATENovember 2020August 2023Allow3310NoNo
17090077METHOD OF TRANSFERRING MICRO-LIGHT EMITTING DIODE FOR LED DISPLAYNovember 2020June 2023Allow3211NoNo
17089946MIM CAPACITOR STRUCTURESNovember 2020April 2023Allow2930YesNo
17089734SEMICONDUCTOR MEMORY DEVICENovember 2020January 2024Allow3940NoNo
17082602METHODS AND APPARATUS FOR LOW RESISTIVITY AND STRESS TUNGSTEN GAP FILLOctober 2020July 2023Allow3321YesNo
17077242Semiconductor Constructions, and Semiconductor Processing MethodsOctober 2020February 2023Allow2740YesNo
17073726DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAMEOctober 2020December 2022Allow2610NoNo
17073784Footing Removal in Cut-Metal ProcessOctober 2020September 2023Allow3430YesNo
17073835SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD OF THE SEMICONDUCTOR DEVICEOctober 2020June 2023Allow3221YesNo
17072992NANOWIRE STRUCTURES HAVING WRAP-AROUND CONTACTSOctober 2020May 2023Allow3110YesNo
17073038STRUCTURE OF HIGH-VOLTAGE TRANSISTOR AND METHOD FOR FABRICATING THE SAMEOctober 2020March 2023Allow2901NoNo
16949130POWER DEVICE MODULE WITH DUMMY PAD DIE LAYOUTOctober 2020November 2023Allow3712YesNo
16764802A TRANSISTOR AND METHOD OF FABRICATION OF THE SAME INCLUDING A GATE CONTACT FORMED IN A RECESS THROUGH THE PASSIVATION DIELECTRIC LAYER IN CONTACT WITH THE ACTIVE LAYEROctober 2020October 2023Allow4100NoNo
17047665PIXEL UNIT, ARRAY SUBSTRATE, AND DISPLAY PANELOctober 2020August 2023Allow3400NoNo
17046564INORGANIC-ORGANIC FILM FOR CONDUCTIVE, FLEXIBLE, AND TRANSPARENT ELECTRODESOctober 2020April 2023Abandon3010NoNo
17064092ELECTRONIC DEVICES WITH RECESSED CONDUCTIVE STRUCTURESOctober 2020August 2023Allow3421YesNo
17061943METHOD AND APPARATUS FOR PLASMA DICING A SEMI-CONDUCTOR WAFEROctober 2020January 2023Allow2720NoNo
17039213THIN FILM TRANSISTORSeptember 2020September 2023Abandon3530NoNo
17036997THREE-DIMENSIONAL SEMICONDUCTOR MEMORY DEVICESSeptember 2020October 2023Allow3721YesNo
17032483DISPLAY PANEL, DISPLAY DEVICE, AND METHOD FOR SORTING PHASE DIFFERENCE LAYER OF DISPLAY PANELSeptember 2020December 2023Allow3900NoNo
17032100MEMORY DEVICESeptember 2020October 2023Abandon3721YesNo
17030712SEMICONDUCTOR DEVICE AND POWER MANAGEMENT ICSeptember 2020April 2023Allow3101NoNo
17040989Photosensitive Sensor, Manufacturing Method Thereof, and Display PanelSeptember 2020April 2023Allow3110NoNo
17026377THREE-DIMENSIONAL SEMICONDUCTOR MEMORY DEVICE AND METHOD OF FABRICATING THE SAMESeptember 2020June 2023Allow3321YesNo
17026199VERTICAL TRANSISTOR FLOATING BODY ONE TRANSISTOR DRAM MEMORY CELLSeptember 2020January 2023Allow2820YesNo
16982392ELLIPTICALLY POLARIZING PLATE AND ORGANIC LIGHT-EMITTING DEVICESeptember 2020July 2023Allow3400NoNo
17021678METHOD OF FORMING A THREE-GATE NON-VOLATILE FLASH MEMORY CELL USING TWO POLYSILICON DEPOSITION STEPSSeptember 2020January 2023Allow2821NoNo
17021377SEMICONDUCTOR STRUCTURE AND FABRICATION METHOD THEREOFSeptember 2020April 2023Allow3121YesNo
17016600SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAMESeptember 2020April 2023Allow3130NoNo
17014326THERMALLY EFFICIENT RADIOFREQUENCY DEVICE AND METHODS THEREOFSeptember 2020July 2023Abandon3420YesNo
16978663ORGANIC FIELD EFFECT TRANSISTOR COMPRISING SEMICONDUCTING SINGLE-WALLED CARBON NANOTUBES AND ORGANIC SEMICONDUCTING MATERIALSeptember 2020November 2023Abandon3830YesNo
17010165SEMICONDUCTOR STORAGE DEVICE AND SEMICONDUCTOR STORAGE DEVICE MANUFACTURING METHODSeptember 2020November 2023Abandon3931NoNo
17008007LED LAMPAugust 2020December 2022Allow2740YesYes
17006437NANOGAP ELECTRODE AND METHOD OF MAKING THE SAME, AND NANO-DEVICE HAVING A NANOGAP ELECTRODEAugust 2020May 2023Abandon3241YesNo
17006600MICROELECTRONIC DEVICES INCLUDING STAIR STEP STRUCTURES, AND RELATED ELECTRONIC SYSTEMS AND METHODSAugust 2020July 2023Allow3421YesNo
17005514SEMICONDUCTOR MEMORY DEVICEAugust 2020September 2023Allow3621YesNo
17005343LIGHT SOURCE ASSEMBLY, OPTICAL SENSOR ASSEMBLY, AND METHOD OF MANUFACTURING A CELL OF THE SAMEAugust 2020March 2023Allow3040NoNo
17004251SEMICONDUCTOR DEVICE, SEMICONDUCTOR DEVICE MANUFACTURING METHOD, AND SEMICONDUCTOR DEVICE MANUFACTURING APPARATUSAugust 2020October 2023Abandon3721NoNo
17003037MEMORY DEVICE HAVING 2-TRANSISTOR VERTICAL MEMORY CELL AND A COMMON PLATEAugust 2020January 2023Allow2921YesNo
17003054MEMORY DEVICE HAVING 2-TRANSISTOR VERTICAL MEMORY CELL AND SHIELD STRUCTURESAugust 2020June 2022Allow2101NoNo
17003065MEMORY DEVICE HAVING 2-TRANSISTOR VERTICAL MEMORY CELL AND A COMMON PLATEAugust 2020May 2023Allow3221YesNo
17002618SEMICONDUCTOR DEVICEAugust 2020June 2023Allow3300NoNo
17001681CAPACITOR OF SEMICONDUCTOR DEVICE AND DISTRIBUTED MODEL CIRCUIT FOR THE SAMEAugust 2020July 2023Allow3421NoNo
16999481STACK PACKAGE AND METHODS OF MANUFACTURING THE SAMEAugust 2020January 2023Allow2930YesNo
16998451COMBINED BACKING PLATE AND HOUSING FOR USE IN BUMP BONDED CHIP ASSEMBLYAugust 2020January 2023Allow2910YesNo
16998400METHOD AND SYSTEM OF STRETCHING AN ACCEPTOR SUBSTRATE TO ADJUST PLACEMENT OF A COMPONENTAugust 2020August 2023Abandon3621NoNo
16997706LIGHT RECEIVING DEVICE AND SEMICONDUCTOR DEVICEAugust 2020December 2022Allow2810NoNo
16995092INTEGRATED SEMICONDUCTOR ASSEMBLIES AND METHODS OF MANUFACTURING THE SAMEAugust 2020December 2023Abandon4050YesYes
16993278MAGNETIC TUNNEL JUNCTION (MTJ) DEVICE AND MANUFACTURING METHOD THEREOFAugust 2020January 2023Allow3021NoNo
16990580MICROELECTRONIC DEVICES INCLUDING CONDUCTIVE RAILS, AND RELATED METHODSAugust 2020March 2023Allow3121YesNo
16987960SEMICONDUCTOR DEVICE AND METHOD FOR PRODUCING SAMEAugust 2020June 2023Allow3421NoNo
16988422Conductive InterconnectsAugust 2020April 2023Allow3261YesNo
16944325Power Semiconductor Device and MethodJuly 2020January 2023Allow2940NoNo
16945165PHOTOELECTRIC CONVERSION APPARATUS, RADIATION IMAGE CAPTURING SYSTEM, PHOTOELECTRIC CONVERSION SYSTEM, MOVING OBJECTJuly 2020January 2023Allow3020NoNo
16943330DISPLAY PANELJuly 2020September 2023Allow3731NoNo
16939625NOVEL INTERCONNECT STRUCTUREJuly 2020January 2023Allow3050YesNo
16940247METHOD FOR FORMING SEMICONDUCTOR DEVICEJuly 2020June 2023Allow3410NoNo
16964674SOLID-STATE IMAGING DEVICE, METHOD FOR MANUFACTURING THE SAME, AND ELECTRONIC APPARATUSJuly 2020October 2023Allow3940NoNo
16937864PHOSPHORESCENT ORGANIC METAL COMPLEX AND USE THEREOFJuly 2020December 2023Allow4010NoNo
16936586TEMPERATURE ADJUSTING DEVICEJuly 2020March 2023Allow3220NoNo
16933544WIRING STRUCTURE AND ELECTRONIC DEVICE EMPLOYING THE SAMEJuly 2020December 2023Allow4141YesNo
16930381NONVOLATILE MEMORY DEVICE AND METHOD OF FABRICATING SAMEJuly 2020August 2023Allow3721YesNo
16930291SEMICONDUCTOR DEVICE AND METHOD FOR FABRICATING THE SAMEJuly 2020February 2023Allow3131NoNo
16927853NEGATIVE FILLET FOR MOUNTING AN INTEGRATED DEVICE DIE TO A CARRIERJuly 2020April 2022Allow2120YesNo
16927249Through Via Structure and MethodJuly 2020April 2023Allow3310NoNo
16927707WAFER CONFIGURED TO RECONDITION A SUPPORT SURFACE OF A WAFER HOLDING STAGEJuly 2020February 2024Allow4311NoNo
16961397PEROVSKITE COMPOUND AND PHOTOCONVERSION DEVICE USING THE SAMEJuly 2020October 2023Allow3910NoNo
16913024APPARATUS AND METHOD FOR TREATING SUBSTRATEJune 2020July 2023Abandon3721NoNo
16913835TMD INVERTED NANOWIRE INTEGRATIONJune 2020November 2023Allow4110NoNo
16912439SEMICONDUCTOR DEVICEJune 2020January 2023Allow3120YesNo
16909017THIN FILM TRANSISTOR AND MANUFACTURING METHOD THEREOF, ARRAY SUBSTRATE AND DISPLAY DEVICEJune 2020March 2023Allow3321NoNo
16908777BIOSIGNAL SENSORJune 2020March 2023Abandon3310NoNo
16908243Method and Structure for CMOS-MEMS Thin Film EncapsulationJune 2020January 2023Allow3130YesNo

Appeals Overview

This analysis examines appeal outcomes and the strategic value of filing appeals for art-unit 2821.

Patent Trial and Appeal Board (PTAB) Decisions

Total PTAB Decisions
29
Examiner Affirmed
21
(72.4%)
Examiner Reversed
8
(27.6%)
Reversal Percentile
25.3%
Lower than average

What This Means

With a 27.6% 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
270
Allowed After Appeal Filing
115
(42.6%)
Not Allowed After Appeal Filing
155
(57.4%)
Filing Benefit Percentile
89.7%
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, 42.6% 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 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 2821 - Prosecution Statistics Summary

Executive Summary

Art Unit 2821 is part of Group 2820 in Technology Center 2800. This art unit has examined 15,772 patent applications in our dataset, with an overall allowance rate of 82.9%. Applications typically reach final disposition in approximately 26 months.

Comparative Analysis

Art Unit 2821's allowance rate of 82.9% places it in the 75% 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 2821 receive an average of 1.17 office actions before reaching final disposition (in the 6% percentile). The median prosecution time is 26 months (in the 72% 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.