USPTO Art Unit 3671 Prosecution Statistics

Art Unit Information

Art Unit: 3671
Group: 3670
Tech Center: 3600
Total Cases: 24,007
Last Active: September 2025

Recent Applications

Detailed information about the 100 most recent patent applications.

Application NumberTitleFiling DateDisposal DateDispositionTime (months)Office ActionsRestrictionsInterviewAppeal
19339235CONCRETE SURFACE FINISHING APPARATUSSeptember 2025November 2025Allow200NoNo
19300781Gravel SpreaderAugust 2025November 2025Allow310NoNo
19292247RAPID DEPLOY MOBILE PEDESTRIAN BRIDGEAugust 2025October 2025Allow310NoNo
19284994Plum Picking and Grading Robot and Picking MethodJuly 2025February 2026Allow710NoNo
19273770SYSTEM AND METHOD FOR PAVER WITH RECYCLED MATERIALSJuly 2025August 2025Allow100YesNo
19245330HEATABLE HOSE ASSEMBLY FOR ASPHALT REPAIR AND METHODS OF USEJune 2025November 2025Allow510NoNo
19232707SAFETY CAGE FOR A PAVING MACHINEJune 2025August 2025Allow200NoNo
19226131BRIDGE SLIDING DEVICE AND A BRIDGE CONSTRUCTION SYSTEMJune 2025September 2025Abandon310NoNo
19222429GROUND PENETRATING SELF-DRILLING SEED PLANTING DEVICEMay 2025October 2025Allow510YesNo
19220260MARINE VESSELS AND METHODS OF USING SAMEMay 2025June 2025Allow100NoNo
19218466VIBRATORY BACKFILLING DEVICE FOR ON-RIDGE TRANSPLANTMay 2025July 2025Allow100NoNo
19211613CONCRETE DOWEL PLATE WITH SHEAR-ACTIVATED HINGEMay 2025September 2025Allow410YesNo
19190902LAWNMOWER WITH MAINTENANCE COUPLINGApril 2025August 2025Allow410NoNo
19172691EXTERNALLY ENCASED PREFABRICATED UHPC SLAB ARCH BRIDGE WITH CONCRETE-FILLED STEEL TUBE STIFF SKELETONApril 2025September 2025Allow610NoNo
19170075PRODUCE HARVESTING DEVICEApril 2025August 2025Allow510NoNo
19068586HANDLE AND SWITCH ASSEMBLY FOR A MOWERMarch 2025January 2026Allow1020NoNo
19062112Overhang structure and construction method for a bridge overhangFebruary 2025July 2025Allow510NoNo
19046433LAYERED DISC SYSTEMS FOR POWER TROWELINGFebruary 2025April 2025Allow200NoNo
19043550PRODUCE HARVESTING DEVICEFebruary 2025June 2025Allow510YesNo
19034432DECK MOUNTABLE STRING TRIMMER ATTACHMENT ASSEMBLYJanuary 2025August 2025Allow610NoNo
19031252EXPANSION DEVICE FOR DEFORMATION JOINTS, PAVEMENT STRUCTURE AND CONSTRUCTION METHOD THEREOFJanuary 2025April 2025Allow300NoNo
19024017TERTIARY COOPERATIVE COMPRESSION YIELDING AND ENERGY-ABSORBING SUPPORT MECHANISMJanuary 2025May 2025Allow410NoNo
19023673HIGH-SPEED PRECISION SEED METERING DEVICE THROUGH KINETIC-ENERGY-TYPE ROTATING AND THROWING AND SEED METERING CONTROL METHOD THEREOFJanuary 2025October 2025Allow910NoNo
19020671ADAPTIVE TILLAGE CONTROLJanuary 2025March 2025Allow200NoNo
19011885FLEXIBLE-RIGID INTEGRATED GRIPPER FOR HARVESTING FRUITS AND VEGETABLES IN BREAKING-OFF MANNER AND HARVESTING ROBOTJanuary 2025June 2025Allow500NoNo
19012623THRESHING AND SEPARATION METHOD TO SEPARATE GRAINS FROM MATERIAL OTHER THAN GRAIN VIA THRESHING AND SEPARATING APPARATUSESJanuary 2025April 2025Allow300NoNo
19012532OVER-CENTER LATCH WITH MOUNT, BASE PLATE, LEVER, AND CENTER PIN FOR COMBINE CONCAVESJanuary 2025April 2025Allow410NoNo
19012144SYSTEMS FOR REGULATING THE FLOW OF MATERIAL OTHER THAN GRAIN THROUGH COMMON CONCAVES WHILE SIMULTANEOUSLY EQUALIZING THE FLOW OF GRAIN THROUGH COMMON CONCAVESJanuary 2025June 2025Allow511NoNo
19012349ATTACHMENT DEVICE FOR FLOOR SHAVING SYSTEMSJanuary 2025March 2025Allow200NoNo
19002404IMPLEMENT FOR SKID STEER VEHICLEDecember 2024March 2025Allow200NoNo
18968612TRACTOR ATTACHMENT ACCESSORIESDecember 2024December 2025Allow1330YesNo
18964344Deck Building Formwork Convenient For Safe And Efficient Assembly And DisassemblyNovember 2024March 2025Allow410NoNo
18957224STALK ROLLNovember 2024January 2025Allow200NoNo
18954491METHOD OF CALCULATING THE DOSAGE OF PHASE CHANGE COARSE AGGREGATE, METHOD OF MANUFACTURING THE SAME AND THERMOREGULATING PAVEMENTNovember 2024January 2025Allow200NoNo
18951588BRIDGE EXPANSION JOINT STRUCTURE AND CONSTRUCTION METHOD THEREOFNovember 2024July 2025Allow710NoNo
18947091LOW-FLOOR BUS SUPPORT STRUCTURENovember 2024February 2025Allow300NoNo
18948121Snow Removal SystemNovember 2024October 2025Allow1120NoNo
18942301COMBINE HARVESTER FOR SEED PRODUCTION AND MULTIPLICATION OF GRAINS WITH AUTOMATIC CLEANING FUNCTIONNovember 2024March 2025Allow400NoNo
18940811CROP ROW DETECTION DEVICENovember 2024August 2025Allow901NoNo
18931322SPRING PLOUGHING AND LAND PREPARATION METHOD THROUGH THAWING AND WATER PUDDLING FOR SALINE-SODIC PADDY FIELDS AND APPLICATION THEREOFOctober 2024February 2025Allow300NoNo
18929501TOP-DOWN CONSTRUCTION-TYPE ASSEMBLY CONSTRUCTION METHOD FOR PAVED ROAD SURFACEOctober 2024March 2025Allow520NoNo
18926633STRAW RETURNING METHOD THROUGH THAWING AND WET PUDDLING FOR SALINE-SODIC PADDY FIELDS AND APPLICATION THEREOFOctober 2024June 2025Allow820NoNo
18924030INTELLIGENT DREDGING SYSTEM FOR HIGH-PILED WHARF AND CONTROL METHOD THEREOFOctober 2024April 2025Allow600NoNo
18921403TWELVE FLUTES FOR STALK ROLLOctober 2024March 2025Allow510NoNo
18918444ROAD POTHOLE FIXEROctober 2024December 2024Allow200NoNo
18917488Selectively Frictionally Engaged Hole CoverOctober 2024March 2025Allow510NoNo
18914476Terrain-Adaptive Brush Cutter with Dual Transmission and Telescoping Limb CutterOctober 2024October 2025Allow1220NoNo
18903173SYSTEMS AND METHODS FOR BIOCHAR-BASED SOIL CARBON SEQUESTRATIONOctober 2024April 2025Allow610NoNo
18890087BALING MECHANISM OF COTTON PICKER AND CONTROL SYSTEM OF BALING MECHANISMSeptember 2024January 2025Allow400NoNo
18884409Resilient Elastomeric Single Piece Biasing Connector for Joining Two Lawn RakesSeptember 2024March 2025Allow610YesNo
18826702SIEVE CHUTES FOR A LOWER SIEVE OF AN AGRICULTURAL COMBINESeptember 2024February 2025Allow510NoNo
18811847CONSTRUCTION METHOD FOR FLOOD STORAGE AREA ECOLOGICAL WETLAND ORIENTED TO MULTI-TARGET COLLABORATIVE PROMOTIONAugust 2024December 2024Allow410NoNo
18840501EFFICIENT REED HARVESTERAugust 2024June 2025Allow1000NoNo
18808925COMBINE WITH THRESHING CHAMBER DEFINED BY DISTINCT SEQUENCES OF CONCAVESAugust 2024October 2024Allow200NoNo
18809035DITCH DIGGER ATTACHMENTAugust 2024May 2025Allow920NoNo
18808002SEED DISPENSER FOR THE SOWING TRAIN OF AN AGRICULTURAL SEEDING MACHINE AND METHOD FOR SUPPLYING MISSING SEEDSAugust 2024December 2025Allow1620YesNo
18806720METHOD FOR RAPID DEMOLISHING OF CEMENT CONCRETE PAVEMENT SLAB AND DEVICE THEREOFAugust 2024October 2024Allow200NoNo
18839026UPSTANDING CLAMPING LONGITUDINAL CONVEYOR SYSTEM FOR WHOLE-STEM REED HARVESTING, METHOD, AND HARVESTERAugust 2024July 2025Allow1100NoNo
18805694STARTER ROLLER AND BLOCKING BAR FOR A CONVEYING SYSTEM OF AN AGRICULTURAL HARVESTERAugust 2024March 2025Allow710YesNo
18806419PLANT REMOVAL TOOL AND METHODAugust 2024April 2025Abandon810NoNo
18838499ROTARY DIGGING DRILL AND AMPHIBIOUS TUNNEL CONSTRUCTION ROBOT USING SAMEAugust 2024February 2025Allow600NoNo
18802549Articulated Combine Having Rear Module with Seedbed Preparation MechanismAugust 2024February 2025Allow610YesNo
18799130FRONT-FOLDING TOOLBARAugust 2024March 2025Allow720YesNo
18835682MOWER BLADE FOR IMPROVED CUT QUALITYAugust 2024September 2025Abandon1310NoNo
18789625SCOUR PROTECTIVE DEVICE AROUND PILES WITH BIDIRECTIONAL FLOW POWER GENERATIONJuly 2024October 2024Allow300NoNo
18786564ELECTRIC BAYBERRY PICKER WITH DIRECT COOLING AND FAST ENCAPSULATION BASED ON MACHINE VISIONJuly 2024November 2024Allow400NoNo
18781650SYSTEMS, METHODS, AND APPARATUSES FOR A DIGGING MACHINEJuly 2024February 2025Allow721YesNo
18728997BAND FOR BRUSH CUTTER AND BRUSH CUTTER SETJuly 2024March 2025Allow810NoNo
18729112DEVICE FOR MONITORING SEEDING AND METHOD THEREOFJuly 2024November 2024Allow400NoNo
18769099MOUNTING METHOD OF A MAIN BEAM OF A DOUBLE-SIDED STEEL BOX UHPC COMPOSITE BEAM CABLE-STAYED BRIDGE AND COMPOSITE BEAM THEREOFJuly 2024January 2025Allow610NoNo
18767252AGRICULTURAL ROW UNIT ACCESSORYJuly 2024January 2025Allow610NoNo
18765544Rolling Lawn AeratorJuly 2024January 2025Allow610NoNo
18766205METHODS AND SYSTEMS FOR INCREASING SOIL FERTILITYJuly 2024May 2025Allow1110NoNo
18760233WALK OUTDOOR POWER EQUIPMENT UNIT HAVING HANDLE MOUNTED OPERATIONAL CONTROLS USING COMPLIANT MECHANISMSJuly 2024April 2025Allow1010NoNo
18759848Bale Severance Mechanism for a Continuous Round BalerJune 2024November 2025Abandon1610NoNo
18758241WALK REEL MOWER WITH SIDE PLATE CUTOUTS FOR DROP OUT REELJune 2024September 2025Allow1410NoNo
18758355SYSTEMS, APPARATUS, AND RELATED METHODS FOR USE WITH MERGERSJune 2024January 2026Allow1820NoNo
18755220BLOCK CONFIGURATIONJune 2024January 2025Allow710NoNo
18755661Mower Blade Carrier AdjustmentJune 2024October 2025Allow1510NoNo
18754478SUSPENSION COMPLIANCE TO REDUCE FRAME LOADINGJune 2024July 2025Allow1310NoNo
18752168METHOD FOR CONSTRUCTING SCIENTIFICALLY ENGINEERED AND CONSTRUCTED UNPAVED RUNWAYSJune 2024October 2025Allow1630NoNo
18752031FLUID APPLICATION SYSTEMS INCLUDING PRESSURE DAMPENERSJune 2024June 2025Allow1220YesNo
18750800DIELECTRIC PROFILE EXHAUST DRYING SYSTEMJune 2024September 2025Abandon1410NoNo
18750101CLUTCHED DRIVELINE FOR WINGS ON FLEX WING CUTTERJune 2024April 2025Allow1010NoNo
18748537TRANSPLANTING ROBOT APPLICABLE TO GREENHOUSEJune 2024September 2024Allow200NoNo
18746079SEABED RESOURCE LIFTING APPARATUSJune 2024November 2025Allow1710NoNo
18747389SYSTEM AND METHOD FOR AUTOMATED ODOMETRY CALIBRATION FOR PRECISION AGRICULTURE SYSTEMSJune 2024May 2025Allow1110NoNo
18745622SNOW THROWER IMPELLERJune 2024June 2025Allow1210NoNo
18744890Terrain-Adaptive Brush Cutter with Dual Transmission and Telescoping Limb CutterJune 2024August 2024Allow200NoNo
18745879TURF ROLLERJune 2024October 2025Allow1630NoNo
18742538SYSTEMS AND METHODS TO PREDICT HARVEST CYCLES USING NEURAL NETWORKSJune 2024August 2025Allow1410NoNo
18742407ON THE GO ORGANIC MATTER SENSOR AND ASSOCIATED SYSTEMS AND METHODSJune 2024August 2025Allow1410NoNo
18741130FLUID JET AGRICULTURAL DEVICES, SYSTEMS AND METHODSJune 2024October 2025Allow1610NoNo
18740962FILM DEPLOYER, IMPROVED TRASH WHIPPER AND IMPROVED PLANTERJune 2024September 2025Abandon1610NoNo
18739978SNOW THROWERJune 2024August 2025Allow1510NoNo
18734339MARINE VESSELS AND METHODS OF USING SAMEJune 2024June 2025Allow1321NoNo
18733415APPARATUSES FOR CONSTRUCTING DISPLACEMENT AGGREGATE PIERSJune 2024October 2025Allow1610NoNo
18731160DETECTABLE WARNING SYSTEMMay 2024December 2024Allow710YesNo
18680838WALK REEL MOWER WITH ADJUSTABLE HANDLE ASSEMBLYMay 2024December 2024Allow710NoNo
18715648IMPLEMENT FOR SKID STEER VEHICLEMay 2024October 2024Allow400NoNo

Appeals Overview

This analysis examines appeal outcomes and the strategic value of filing appeals for art-unit 3671.

Patent Trial and Appeal Board (PTAB) Decisions

Total PTAB Decisions
318
Examiner Affirmed
212
(66.7%)
Examiner Reversed
106
(33.3%)
Reversal Percentile
55.8%
Higher than average

What This Means

With a 33.3% reversal rate, the PTAB reverses the examiner's rejections in a meaningful percentage of cases. This reversal rate is above the USPTO average, indicating that appeals have better success here than typical.

Strategic Value of Filing an Appeal

Total Appeal Filings
1038
Allowed After Appeal Filing
302
(29.1%)
Not Allowed After Appeal Filing
736
(70.9%)
Filing Benefit Percentile
31.0%
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, 29.1% 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 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 shows limited benefit. Consider other strategies like interviews or amendments before appealing.

Art Unit 3671 - Prosecution Statistics Summary

Executive Summary

Art Unit 3671 is part of Group 3670 in Technology Center 3600. This art unit has examined 24,007 patent applications in our dataset, with an overall allowance rate of 76.2%. Applications typically reach final disposition in approximately 24 months.

Comparative Analysis

Art Unit 3671's allowance rate of 76.2% places it in the 49% 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 3671 receive an average of 1.56 office actions before reaching final disposition (in the 26% percentile). The median prosecution time is 24 months (in the 86% 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.