USPTO Art Unit 3643 Prosecution Statistics

Art Unit Information

Art Unit: 3643
Group: 3640
Tech Center: 3600
Total Cases: 17,726
Last Active: August 2025

Recent Applications

Detailed information about the 100 most recent patent applications.

Application NumberTitleFiling DateDisposal DateDispositionTime (months)Office ActionsRestrictionsInterviewAppeal
19304527Pet Water Bowl TankAugust 2025October 2025Allow200NoNo
19295805PET FEEDERAugust 2025November 2025Allow300NoNo
19251199SQUIRREL DETERRENT DEVICEJune 2025October 2025Allow410YesNo
19235300PET LEASHJune 2025July 2025Allow100NoNo
19224989FISHING ROD-SPIKE ASSEMBLYJune 2025November 2025Allow510YesNo
19219673Multifunctional Horse-Hoof and Stud ToolMay 2025January 2026Allow800NoNo
19217046DEVICE FOR ATTRACTING WORMS TO THE SURFACE OF THE SOILMay 2025September 2025Allow410YesNo
19183632Plant Growth AcceleratorApril 2025November 2025Allow710NoNo
19177301PET WATER DISPENSERApril 2025February 2026Abandon1010NoNo
19119029JOINT CUTTING APPARATUSApril 2025June 2025Allow200NoNo
19096711HOLDING DEVICES FOR CAT LITTER AND WASTE AND USAGE METHODSMarch 2025October 2025Allow710YesNo
19094842Application Method Of Medium and Trace Nutrient Elements For Wrapper Hydroponic SystemMarch 2025November 2025Allow820YesNo
19089184PET TOILETMarch 2025November 2025Allow710YesNo
19110743CARCASS PROCESSING MACHINE AND ASSEMBLIESMarch 2025August 2025Allow510NoNo
19069388POULTRY DEBONING DEVICE AND METHODMarch 2025March 2026Allow1210NoNo
19066831PET HARNESS FOR MONITORING BODY TEMPERATURE AND PROVIDING COOLING OR HEATINGFebruary 2025January 2026Allow1110NoNo
19067200DEPLOYABLE FLAP FOR HIGH-G MANEUVERSFebruary 2025January 2026Allow1010YesNo
19065626HAY-BALE-CONTAINMENT SYSTEM AND METHODS OF USEFebruary 2025December 2025Allow1010YesNo
19062763Dial-A-BeakFebruary 2025August 2025Allow510YesNo
19058862ENVIRONMENT-CONTROLLED PET SHELTERFebruary 2025March 2026Allow1310YesNo
19055552RESTRAINERFebruary 2025October 2025Allow811NoNo
19053932TRANSPORT DEVICE FOR TRANSPORTING ELONGATED CASINGS FILLED WITH FOOD MASS, AND RELATED SEPARATING DEVICEFebruary 2025March 2026Allow1310NoNo
19038346HUB CONVERTERJanuary 2025October 2025Allow900NoNo
19036407AQUACULTURE-FEEDING / OXYGEN-DISSOLUTION ASSEMBLY FOR OCEAN APPLICATIONS AND METHOD THEREOFJanuary 2025January 2026Allow1210YesNo
19036679DEVICE AND METHOD FOR REMOVING MEAT FROM POULTRY, AND POULTRY CARRIERJanuary 2025January 2026Allow1200NoNo
19023404PET WATER DISPENSERJanuary 2025July 2025Allow520NoNo
18995132POULTRY FOOT CALLUS EXTRACTORJanuary 2025December 2025Allow1100NoNo
19021777DEVICE AND USE METHOD FOR WILD MONOPTERUS ALBUS DOMESTICATIONJanuary 2025March 2025Allow200NoNo
19012932ANT CONTROL BOXJanuary 2025December 2025Allow1110NoNo
18880719SLOW FEEDER FOR FEEDING FORAGE TO AN EQUIDJanuary 2025December 2025Allow1110YesNo
19007444ELECTRIC CLIP RECEIVER SYSTEM FOR OUTRIGGERSDecember 2024March 2025Allow200YesNo
19004559CULTIVATION METHOD FOR MORCHELLA ON PATTERNED LAYER FRAMESDecember 2024February 2026Allow1410NoNo
19004227VTOL Aircraft Using Fixed Forward Canted RotorsDecember 2024October 2025Allow1010NoNo
18999450EXPANDABLE BAIT KEEPER FOR SOFT FISHING LURESDecember 2024September 2025Allow900NoNo
18985406ARTHROPOD TRAPPING DEVICEDecember 2024February 2026Allow1400NoNo
18985552Closing Machine For Closing Sausage ProductsDecember 2024October 2025Allow1010NoNo
18980450Separable Dog Toy 2December 2024March 2026Abandon1510NoNo
18980882SYSTEM AND METHOD FOR SEPARATING BREAST FROM POULTRY CARCASSDecember 2024September 2025Allow900NoNo
18977209METHOD FOR RAPID RECONSTRUCTION OF FOOD SOURCE HABITAT OF LEUCOGERANUS LEUCOGERANUS BY USING RETURNED FARMLANDDecember 2024February 2025Allow200NoNo
18974796METHOD FOR OVERWINTERING AND COLD RESISTANCE OF GRAPEVINESDecember 2024June 2025Allow610NoNo
18973102MOUSE CATCHING DEVICEDecember 2024June 2025Allow610NoNo
18971307APPARATUS AND METHOD FOR SEPARATING MEAT FROM BONEDecember 2024March 2026Allow1510NoNo
18969681WEEDING METHOD OF ALTERNATELY CULTIVATING DUCKS BY BLOCK DIVIDING IN ORGANIC RICE FIELD AND APPLICATION THEREOFDecember 2024April 2025Allow410YesNo
18955509APPLICATION OF MICROWAVES TO ANIMALSNovember 2024February 2026Allow1410NoNo
18951746KNEECAP HARVESTER AND METHOD FOR REMOVING A KNEECAPNovember 2024January 2026Allow1410NoNo
18949216EVISCERATING TOOLNovember 2024August 2025Allow900NoNo
18865448AUTOMATIC FEEDING ASSEMBLYNovember 2024January 2026Allow1410NoNo
18941219Pressurized Livewell System and MethodNovember 2024February 2026Allow1510YesNo
18863770REGULATION OF FRUIT SET IN PEPPERS BY DYNAMICALLY ADAPTING THE LED LIGHTING SPECTRUMNovember 2024December 2025Allow1410NoNo
18863743APPARATUS AND METHOD FOR THE AUTOMATIC HARVESTING OF EDIBLE COMPONENTS OF A GIBLET BUNDLE OF SLAUGHTERED POULTRYNovember 2024September 2025Allow1000NoNo
18862590System for Manufacturing Sausage-Shaped Products With Consumable Containers of Different TypesNovember 2024January 2026Allow1510NoNo
18861734BOX FOR FOUR-LEGGED LIVE SLAUGHTER ANIMALSOctober 2024June 2025Allow810YesNo
18861119SPINE PROCESSING DEVICEOctober 2024October 2025Allow1100NoNo
18861052SPINE PROCESSING DEVICEOctober 2024August 2025Allow1000NoNo
18925379CARCASS STABILIZING SYSTEMOctober 2024December 2025Allow1410NoNo
18924703OMNI-DIRECTIONAL PEST TRAPOctober 2024March 2026Abandon1710NoNo
18859071GREENHOUSE SYSTEMOctober 2024November 2025Allow1210NoNo
18921847BEE FEEDER HAVING LABYRINTHINE PASSAGESOctober 2024November 2025Allow1210NoNo
18918475ROLLABLE BALL TOYOctober 2024December 2024Allow210NoNo
18917364CATTLE RUB OIL APPLICATOROctober 2024October 2025Allow1210YesNo
18916813Foldable Ball Throwing Device,with Light Charging of a Glow-in-the-Dark BallOctober 2024November 2025Allow1300NoNo
18916324SYSTEMS AND METHODS FOR AUTOMATED FISH PROCESSINGOctober 2024October 2025Allow1210NoNo
18914930MULTI-FUNCTIONAL RODENT STATIONOctober 2024December 2025Allow1421YesNo
18913767HVAC BACKPACK FOR MODULAR ANIMAL CRATEOctober 2024March 2026Allow1710YesNo
18912097Pet ToyOctober 2024April 2025Allow610NoNo
18911688ADAPTABLE PEST CONTROL APPARATUSOctober 2024February 2026Allow1610NoNo
18910047ONSITE CO2 GENERATION FOR POULTRY STUNNINGOctober 2024May 2025Allow811NoNo
18904555Pet ToyOctober 2024June 2025Allow820NoNo
18901541NOZZLE DEVICE ASSEMBLY FOR AUTOMATIC FEEDING IN DEEP-WATER AQUACULTURE AND FEEDING SYSTEM THEREOFSeptember 2024February 2025Allow520NoNo
18901782CORRECTIVE COLLAR UTILIZING GEOLOCATION TECHNOLOGYSeptember 2024December 2025Allow1410NoNo
18681431POSITIONING EQUIPMENT AND METHOD FOR POULTRY AND SIMILAR ANIMALSSeptember 2024August 2025Allow1800NoNo
18891349Collapsible Pet BedSeptember 2024August 2025Allow1100NoNo
18890642VERTICAL GROWING SYSTEMSeptember 2024February 2026Allow1700NoNo
18830369FILLING MACHINE AND METHOD FOR RADIALLY ALIGNING A SPOUTSeptember 2024December 2025Allow1510NoNo
18827480METHOD AND APPARATUS FOR AUXILIARY POWER UNIT INSTALLATIONSeptember 2024October 2025Allow1410NoNo
18827260DOG COLLAR LEASH ATTACHMENTSeptember 2024July 2025Allow1010NoNo
18824065PET DOOR GROOMERSeptember 2024September 2025Allow1210YesNo
18843545APPARATUS AND METHOD FOR CUTTING OPEN A SLAUGHTERED POULTRY BODY WHICH IS SUSPENDED BY THE LEGS AND HAS ALREADY BEEN CUT FREE IN THE REGION OF THE CLOACA TO FORM A VENT OPENINGSeptember 2024July 2025Allow1100NoNo
18815922PLANT POT AND TRAY COMBINATION FOR USE WITH EBB AND FLOOD SUBSTRATESAugust 2024August 2025Allow1220NoNo
18841535TRIMMING DEVICE, TRIMMING SYSTEM AND METHODAugust 2024July 2025Allow1000NoNo
18812254MATTRESS FOR LIVESTOCKAugust 2024February 2026Allow1810YesNo
18809111Smart Cat Teasing UnicycleAugust 2024December 2024Allow410NoNo
18806673LIVESTOCK MEDICINAL APPLICATOR SYSTEMAugust 2024March 2025Allow701NoNo
18805674METHOD OF TRAPPING ARTHROPODSAugust 2024May 2025Allow900YesNo
18805250Flying Insect Baiting ApparatusAugust 2024July 2025Abandon1120NoNo
18800163AROMATHERAPY MOSQUITO KILLERAugust 2024December 2025Allow1710NoNo
18837360METHOD AND DEVICE FOR PRODUCING SAUSAGE CHAINSAugust 2024February 2026Allow1920NoNo
18796568FEATHER CAPAugust 2024January 2026Abandon1710NoNo
18835942SEAWEED SEEDERS AND METHODS FOR USING THEMAugust 2024May 2025Allow900NoNo
18835278SLICING DEVICE, AND METHOD FOR SLICING WORKPIECEAugust 2024June 2025Allow1100NoNo
18790843SYSTEM AND METHOD FOR GENERATING A SORTATION MODULE AND CARCASS PROCESSING OPTIONSJuly 2024September 2024Allow200NoNo
18788338Passive Hummingbird Water Feeder and Feeding MethodJuly 2024August 2025Allow1221NoNo
18782604SCRIBE SAW MOUNT FOR LOIN PULLER MACHINEJuly 2024November 2025Allow1610NoNo
18779651Automatic Pet Scooping and Sealing SystemJuly 2024August 2025Allow1300YesNo
18779136Litter Box for PetsJuly 2024November 2025Abandon1610NoNo
18779531TRUSSING SYSTEM AND METHODJuly 2024March 2026Allow1910NoNo
18777304WATER LIFTING DEVICE FOR PET WATER DISPENSER AND PET WATER DISPENSERJuly 2024November 2024Allow410NoNo
18777372Universal Fit, Non-Tangle, Water Depth Adjustable Systems for Securing Waterfowl Hunting LuresJuly 2024August 2025Allow1330YesNo
18772088Apparatus, Kit, and System for HorticultureJuly 2024October 2025Abandon1521YesNo
18765568BREAKAWAY CRAB SNARE APPARATUSJuly 2024May 2025Allow1030YesNo

Appeals Overview

This analysis examines appeal outcomes and the strategic value of filing appeals for art-unit 3643.

Patent Trial and Appeal Board (PTAB) Decisions

Total PTAB Decisions
467
Examiner Affirmed
252
(54.0%)
Examiner Reversed
215
(46.0%)
Reversal Percentile
92.0%
Higher than average

What This Means

With a 46.0% 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
1373
Allowed After Appeal Filing
475
(34.6%)
Not Allowed After Appeal Filing
898
(65.4%)
Filing Benefit Percentile
61.6%
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, 34.6% 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 3643 - Prosecution Statistics Summary

Executive Summary

Art Unit 3643 is part of Group 3640 in Technology Center 3600. This art unit has examined 17,726 patent applications in our dataset, with an overall allowance rate of 53.9%. Applications typically reach final disposition in approximately 29 months.

Comparative Analysis

Art Unit 3643's allowance rate of 53.9% places it in the 10% 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 3643 receive an average of 1.80 office actions before reaching final disposition (in the 42% percentile). The median prosecution time is 29 months (in the 62% 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.