USPTO Art Unit 3642 Prosecution Statistics

Art Unit Information

Art Unit: 3642
Group: 3640
Tech Center: 3600
Total Cases: 6,111
Last Active: November 2025

Recent Applications

Detailed information about the 100 most recent patent applications.

Application NumberTitleFiling DateDisposal DateDispositionTime (months)Office ActionsRestrictionsInterviewAppeal
19377369TRAVEL PET NESTNovember 2025January 2026Allow300NoNo
19321426PLANT GROWING APPARATUSSeptember 2025December 2025Allow410YesNo
19319772INCUBATORSeptember 2025January 2026Allow410NoNo
19307162Dual-Mode Vehicle with Selectively Attachable Flight Module and Energy Transmission ControlAugust 2025March 2026Allow710YesNo
19291669RADIALLY CONTRACTIBLE WEARABLE STRUCTUREAugust 2025October 2025Allow200NoNo
19286051REMOTE MODULAR DATA COLLECTION AND UAS DOCKING SYSTEM AND METHODJuly 2025March 2026Allow710YesNo
19272209METHOD OF APPLYING ICE REMOVAL FLUID TO A FOLDING WING AIRCRAFT AND METHOD OF OPERATING A FOLDING WING AIRCRAFTJuly 2025March 2026Allow800NoNo
19272014Cover for a Retractable Dog LeashJuly 2025December 2025Allow510NoNo
19259171LIQUID-HYDROGEN FUEL SYSTEM FOR AN AIRCRAFTJuly 2025March 2026Allow900NoNo
19254489Vertiport with a Buffer ZoneJune 2025February 2026Allow810NoNo
19118438VERTICAL TAKE-OFF AND LANDING AIRCRAFTJune 2025November 2025Allow700YesNo
19244461SUPERSONIC AIRCRAFT AIR FOIL GEOMETRYJune 2025August 2025Allow200NoNo
19141304TRANSMISSION SYSTEMJune 2025February 2026Allow800NoNo
19242608Automatic Mechanical System in Mass Production Indoor Planting with SoilJune 2025March 2026Allow900YesNo
19242636Automatic Mechanical System in Mass Production Indoor Planting with SoilJune 2025March 2026Allow900YesNo
19237658VERTICAL TAKE-OFF AND LANDING AIRCRAFTJune 2025February 2026Allow830YesNo
19231778CATAPULT LAUNCHER FOR A FIXED-WING UNMANNED AERIAL VEHICLE (UAV)June 2025August 2025Allow200YesNo
19229070AERIAL VEHICLEJune 2025January 2026Allow810NoNo
19226818APPARATUS, SYSTEMS, AND METHODS TO MANAGE VEGETATION ALONG A RIGHT-OF-WAYJune 2025March 2026Allow900NoNo
19226786APPARATUS, SYSTEMS, AND METHODS TO MANAGE VEGETATION ALONG A RIGHT-OF-WAYJune 2025March 2026Allow900NoNo
19226668AIRCRAFT STRUCTUREJune 2025November 2025Allow600NoNo
19225237Reaction Drive Helicopter with Cyclorotor Propulsion and ControlJune 2025October 2025Allow500NoNo
19134545SELF-REGULATING PROTEIN SKIMMER AND RETROFIT KITS FOR RETROFITTING NON SELF-REGULATING PROTEIN SKIMMERSMay 2025October 2025Allow500NoNo
19222970METHOD FOR INDUCING FIELD-PLANTED ANANAS COMOSUS TO RAPIDLY PROPAGATE SEEDLINGSMay 2025November 2025Allow610NoNo
19221515BIRD FEEDERMay 2025January 2026Allow810NoNo
19219560SYSTEMS AND METHODS FOR PROVIDING A HYBRID GRAVITY ENVIRONMENTMay 2025November 2025Allow610NoNo
19217117Stabilizers for Aerial ProjectilesMay 2025December 2025Allow700NoNo
19213324AIRCRAFT COMPRISING AT LEAST ONE WING MOUNT SYSTEM, WHICH COMPRISES AT LEAST ONE LATERAL CONNECTING RODMay 2025February 2026Allow900YesNo
19209431BATTERY AND ENGINE ARCHITECTURE FOR VTOL AIRCRAFTMay 2025July 2025Allow200YesNo
19209424VTOL AIRCRAFT USING LARGE, VARIABLE SPEED TILT ROTORSMay 2025July 2025Allow200YesNo
19206219FLYING OBJECTMay 2025February 2026Allow910NoNo
19204059SYSTEMS AND METHODS FOR MANAGING EVTOL FLIGHT IN ICINGMay 2025December 2025Allow711YesNo
19200676PET TRACTION AND DUNG PICKING INTEGRATED DEVICEMay 2025August 2025Allow310NoNo
19199210GEODESIC DOME SYSTEM FOR INTEGRATED AQUAPONICS AND MUSHROOM PRODUCTIONMay 2025February 2026Allow900NoNo
19192582PARAMETER SETTING METHOD, DEVICE AND MULTI-ROTOR DRONEApril 2025June 2025Allow200NoNo
19193866BLADE PITCH COUPLED TO PROPULSION SYSTEM TILTApril 2025February 2026Allow900YesNo
19191734Apparatus, Method And System For Balloon Altitude Control By In-Situ Characterization And Active Energy ManagementApril 2025October 2025Allow610NoNo
19191310METHOD FOR MOUNTING A HYDROGEN BOX IN A NACELLE FOR A HYDROGEN-POWERED AIRCRAFTApril 2025March 2026Allow1011NoNo
19190222Base Stations For Unmanned Aerial Vehicles Including Repositionable Charging HubsApril 2025March 2026Allow1010YesNo
19190272Methods Of Docking Unmanned Aerial Vehicles With Base StationsApril 2025March 2026Allow1020YesNo
19190277Charging Hubs In Base Stations For Unmanned Aerial Vehicles Including Fixed And Movable BracketsApril 2025February 2026Allow1010YesNo
19189205Breeder DeviceApril 2025October 2025Allow610YesNo
19185774FUSELAGE PORTION, AIRCRAFT, AND METHODApril 2025February 2026Allow910NoNo
19184233EGG INCUBATOR WITH A PRECISION ADJUSTMENT FUNCTION OF HUMIDITYApril 2025November 2025Allow700NoNo
19182856TRANSFORMING LAVATORY DOORApril 2025January 2026Allow910NoNo
19121782FLAPPING DEVICEApril 2025January 2026Allow900NoNo
19179362TELESCOPIC HALF CART RETAINER FOR RETAINING AIRCRAFT GALLEY CONTAINER TROLLEYApril 2025February 2026Allow1010YesNo
19175220SYSTEMS AND METHODS FOR PRODUCING TRAVELING WAVES ALONG SURFACES EXPOSED TO SUPERSONIC FLUID FLOWSApril 2025August 2025Allow400NoNo
19172567PAYLOAD SEPARATION DEVICE AND METHODApril 2025September 2025Allow500NoNo
19171695Durable Pet Toy with Scent-retention CapabilityApril 2025November 2025Allow700NoNo
19169223MULTI-USE PLATFORM FOR A MOBILE ROBOTApril 2025December 2025Allow910NoNo
19169365Apparatus and Method for Capturing Energy from a Vorticular Ventilator System to Utilize the Energy to Charge a Power SourceApril 2025December 2025Allow810YesNo
19117720A Portable Deployable Modular lndoor Vertical Agricultural Growing MachineApril 2025November 2025Allow700NoNo
19098931SYSTEMS AND METHODS FOR MANAGING ICE ACCRETIONS DURING FLIGHT OF AIRCRAFTApril 2025June 2025Allow300YesNo
19097577UNMANNED AERIAL VEHICLEApril 2025January 2026Allow910NoNo
19096288FLYING VEHICLEMarch 2025February 2026Allow1110YesNo
19090833RECONFIGURABLE LANDING PLATFORMS IN BASE STATIONS FOR USE WITH UNMANNED AERIAL VEHICLESMarch 2025February 2026Allow1110YesNo
19090986AIRCRAFT ENGINE ATTACHMENT SYSTEM COMPRISING A TWO-POINT SHACKLE EQUIPPED WITH AT LEAST ONE STOP, AIRCRAFT COMPRISING AT LEAST ONE SUCH ENGINE ATTACHMENT SYSTEMMarch 2025February 2026Allow1010NoNo
19091205UNMANNED AERIAL VEHICLE FOR PAINTING STRUCTURESMarch 2025October 2025Allow700NoNo
19088992BIRD FEEDERMarch 2025September 2025Allow510NoNo
19087076FLAP DRIVE MECHANISMMarch 2025March 2026Allow1200NoNo
19114085LINEAR ACTUATORMarch 2025November 2025Allow800NoNo
19085662AIR INTAKE LIP OF AN AIRCRAFT ENGINE NACELLE PROVIDED WITH A PASSIVE SHUT-OFF DEVICE FOR AN EXHAUST DEVICEMarch 2025November 2025Allow810NoNo
19084591MOVING OBJECTMarch 2025February 2026Allow1110YesNo
19081051SELF-RIGHTING CAT TOYSMarch 2025February 2026Allow1110NoNo
19081558Feeder PortMarch 2025July 2025Allow300NoNo
19081571TEMPERATURE-REGULATED LIQUID CONTAINERMarch 2025January 2026Allow1010NoNo
19081821DEVICES, SYSTEMS, AND METHODS FOR TRANSPORTING LIVE INSECTSMarch 2025October 2025Allow700NoNo
19080958AN AGGREGATE TOGGLING BETWEEN DEPLOYED AND FOLDED POSITION BY DEFLECTION OF A PLATE SPRINGMarch 2025January 2026Allow1010YesNo
19080390OFF-LEASH PET TRAINING DEVICEMarch 2025June 2025Allow310NoNo
19080720GROUND-PLANTED FLOWER BEDMarch 2025January 2026Allow1010NoNo
19079750DEPLOYABLE SYSTEM FOR SPACE DEBRIS COLLECTIONMarch 2025October 2025Allow700YesNo
19079176SYSTEM FOR PRODUCING REMOTE SENSING DATA FROM NEAR EARTH ORBITMarch 2025January 2026Allow1010YesNo
19076434PET MOVABLE DOOR AND CAT LITTER BOXMarch 2025November 2025Allow810NoNo
19110231PROPULSION SYSTEM FOR MULTICOPTERS AND RELATED AIRCRAFTSMarch 2025March 2026Allow1200YesNo
19074082PROPULSION SYSTEM THERMAL MANAGEMENTMarch 2025July 2025Allow400YesNo
19072829Systems and Methods for Autonomous Aircraft Capturing, Lifting, and PushbackMarch 2025October 2025Allow700YesNo
19071237WING FOR AN AIRCRAFT AND HIGH LIFT ASSEMBLY CONNECTION METHODMarch 2025September 2025Allow600YesNo
19071463HYDROPONIC PLANT GROWTH MODULE AND RELATED METHODMarch 2025October 2025Allow711YesNo
19069779LAVATORIES ON A BLENDED WING BODY AIRCRAFTMarch 2025October 2025Allow700YesNo
19068117Drone Delivery SystemMarch 2025August 2025Allow610NoNo
19108186BREEDER CHICKEN PARAMETER MEASUREMENT INSTRUMENT IN WHICH VISIBLE-LIGHT CAMERA AND INFRARED CAMERA ARE COMBINED, AND FLEXIBLE GRIPPERMarch 2025February 2026Allow1100NoNo
19067048FIN STABILIZED PROJECTILEFebruary 2025January 2026Allow1020NoNo
19067392Air Drop Logistics Apparatus and MethodFebruary 2025February 2026Allow1121YesNo
19066080MISSION-ADAPTABLE AERIAL VEHICLE AND METHODS FOR IN-FIELD ASSEMBLY AND USEFebruary 2025May 2025Allow300YesNo
19064143PAYLOAD (VARIANTS) AND AIR TRANSPORT SYSTEM (VARIANTS) COMPRISING SAMEFebruary 2025February 2026Allow1200YesNo
19060147COMPACT AIRCRAFT RESCUE HOIST WITH HIGH WRAP ANGLEFebruary 2025January 2026Allow1120NoNo
19060306MULTIPURPOSE AUTONOMOUS POLLINATION AND FERTIGATION SYSTEM FOR A CONTROLLED GROWING ENVIRONMENTFebruary 2025February 2026Allow1200NoNo
19105167SEPARATION DEVICE WITH DAMPED LASHING STUDFebruary 2025October 2025Allow810YesNo
19055825FUSELAGE FOR AN AIRCRAFT OR SPACECRAFT, AND AIRCRAFT OR SPACECRAFTFebruary 2025January 2026Allow1110NoNo
19055425PET WASTE MANAGEMENT DEVICE, SYSTEM, AND METHODSFebruary 2025November 2025Allow910YesNo
19051245LINKAGE-TYPE LITTER BOXFebruary 2025February 2026Allow1210NoNo
19050791ANTI-PULL LEASH SYSTEMFebruary 2025October 2025Allow800NoNo
19050203AIRCRAFT STRUCTURE PART AND METHOD FOR PROVIDING AN AIRCRAFT STRUCTURE PARTFebruary 2025October 2025Allow800NoNo
19049823LOCKABLE MOUNTING FITTINGFebruary 2025November 2025Allow910NoNo
19049521MOBILE DRONE STATION WITH VEHICLE AND TRAILERFebruary 2025December 2025Allow1010YesNo
19047119SYSTEM AND METHOD FOR VERTICAL FARMINGFebruary 2025September 2025Allow700NoNo
19043583PROPULSION ASSEMBLY FOR AN AIRCRAFT, HAVING AN EXTRACTION FANFebruary 2025October 2025Allow800NoNo
19043247MISSION-ADAPTABLE AERIAL VEHICLE AND METHODS FOR IN-FIELD ASSEMBLY AND USEJanuary 2025August 2025Allow600YesNo
19043395EFFICIENT AND/OR GENTLE CLEANING OF A PLANT OR ELEMENT THEREOF THROUGH A CONFIGURABLE PLANT CARE TOOLJanuary 2025August 2025Allow700NoNo

Appeals Overview

This analysis examines appeal outcomes and the strategic value of filing appeals for art-unit 3642.

Patent Trial and Appeal Board (PTAB) Decisions

Total PTAB Decisions
93
Examiner Affirmed
54
(58.1%)
Examiner Reversed
39
(41.9%)
Reversal Percentile
84.7%
Higher than average

What This Means

With a 41.9% reversal rate, the PTAB reverses the examiner's rejections in a meaningful percentage of cases. This reversal rate is in the top 25% across the USPTO, indicating that appeals are more successful here than in most other areas.

Strategic Value of Filing an Appeal

Total Appeal Filings
244
Allowed After Appeal Filing
80
(32.8%)
Not Allowed After Appeal Filing
164
(67.2%)
Filing Benefit Percentile
53.1%
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, 32.8% 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 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 3642 - Prosecution Statistics Summary

Executive Summary

Art Unit 3642 is part of Group 3640 in Technology Center 3600. This art unit has examined 6,111 patent applications in our dataset, with an overall allowance rate of 72.3%. Applications typically reach final disposition in approximately 31 months.

Comparative Analysis

Art Unit 3642's allowance rate of 72.3% places it in the 37% 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 3642 receive an average of 1.69 office actions before reaching final disposition (in the 33% percentile). The median prosecution time is 31 months (in the 51% 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 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.