USPTO Art Unit 3678 Prosecution Statistics

Recent Applications

Detailed information about the 100 most recent patent applications.

Application NumberTitleFiling DateDisposal DateDispositionTime (months)Office ActionsRestrictionsInterviewAppeal
19309664CONNECTOR ASSEMBLIES AND PROCESSES FOR USING SAMEAugust 2025November 2025Allow300NoNo
19280613Fixator for Telescopic Rod and The Telescopic RodJuly 2025October 2025Allow200YesNo
19256023ANTI-FROST HEAVE PILE FOUNDATION SUPPORT DEVICEJune 2025August 2025Allow200NoNo
19250837DESERT GREENHOUSE SKELETON SYSTEM AND CONTROL METHOD THEREOFJune 2025August 2025Allow200NoNo
19251746TRANSMISSION LINE TOWER BASE WITH ELECTROTHERMAL AIR-BLOWING ANTI-FROST HEAVE FUNCTION FOR PERMAFROST REGIONSJune 2025November 2025Allow410NoNo
19232933METHODS FOR GROUT INJECTION REPAIR AND WATER RETENTION IN GOAFJune 2025July 2025Allow100NoNo
19225229HANDRAIL CONNECTORJune 2025October 2025Allow520NoNo
19222637SUBTERRANEAN BANDED IRON BASED INJECTION FLUID FOR HYDROGEN STORAGEMay 2025August 2025Allow200NoNo
19211847METHOD FOR MICROBIALLY ENHANCED OIL RECOVERYMay 2025July 2025Allow200NoNo
19209820ARTICULATED PRESTRESSING TENSIONING DEVICE FOR SHIELD TUNNELS AND REINFORCEMENT METHOD THEREOFMay 2025July 2025Allow200NoNo
19209168FENCE GATE ASSEMBLY, AND HAT CHANNEL HINGE APPARATUS THEREFORMay 2025October 2025Allow511NoNo
19129990WASTE CARTRIDGE FOR AN UNDERWATER DRILLING ASSEMBLYMay 2025March 2026Allow1000NoNo
19202092PHYSICAL SIMULATION EXPERIMENT SYSTEM FOR VAPOR-LIQUID MULTIPHASE SEEPAGE IN UNDERGROUND GAS STORAGE FACILITY IN DEPLETED GAS RESERVOIRMay 2025October 2025Allow510NoNo
19192863DETERMINING PILE HEIGHT FOR AUTONOMOUS PILE DRIVING SYSTEMApril 2025March 2026Allow1011NoNo
19184416FENCE SYSTEM AND METHOD, AND BLOCK Z FENCE POST ASSEMBLY THEREFORApril 2025August 2025Allow400NoNo
19176160EXCAVATION COMPENSATION METHOD FOR TUNNELLING IN DEEP ROCK ENGINEERINGApril 2025October 2025Allow610NoNo
19170361WELL RESCUE AND SUPPORT SYSTEMApril 2025July 2025Allow300NoNo
19097295SYSTEM AND PROCESS FOR GEOLOGICAL SEQUESTRATION OF CARBON-CONTAINING MATERIALSApril 2025February 2026Allow1020NoNo
19086518CONTROL SYSTEM AND METHOD OF GAS FLOW FOR IN-SITU URANIUM MININGMarch 2025October 2025Allow710NoNo
19112229LOCKING THREADED CONNECTION ASSEMBLYMarch 2025June 2025Allow300NoNo
19065389APPARATUS AND METHOD FOR RELEASABLY LOCKED FURNITUREFebruary 2025July 2025Allow500NoNo
19099804COMPOSITE SUPPORTING STRUCTURE COMBINING FABRIC-FORM BAG-BEHIND-WALL GROUTING AND HIGH-STRENGTH SUPPORT FRAMES, AND CONSTRUCTION METHOD THEREOFJanuary 2025April 2025Allow300NoNo
19038970LOCK MECHANISM OPERABLE TO LOCK AN ADJUSTED LENGTH OF TELESCOPICALLY ATTACHED RODSJanuary 2025August 2025Allow711NoNo
19032352FENCE SYSTEM AND METHOD, AND FENCE POST ASSEMBLY THEREFORJanuary 2025July 2025Allow600NoNo
19030367Modular Precast Hydro Dam with PowerhouseJanuary 2025February 2026Allow1321NoNo
19031321STORAGE POLE FACILITATING TELESCOPIC CONTROL ADJUSTMENTJanuary 2025July 2025Allow510NoNo
19021122GRADED PLUGGING, MONITORING AND REINFORCING INTEGRATED METHOD FOR SEPARATION STRATUM GROUTING UNDER SINGLE-SIDE OPEN CONDITIONSJanuary 2025August 2025Allow710NoNo
19006282Fast-locking Structure of LED Display Module and Its Disassembly and Assembly MethodDecember 2024January 2026Allow1311NoNo
19004665BRACKET FOR SUPPORTING ATTACHMENT OF THE END OF A RAILING MEMBER TO A VERTICAL MEMBERDecember 2024July 2025Allow600NoNo
19004309Internal and external coupling shear resistance locking control system and monitoring method of tunnel surrounding rocksDecember 2024October 2025Allow910NoNo
19002278LOCKING AND POSITIONING MECHANISM AND ROTATIONAL FOLDING POSITIONING APPARATUSDecember 2024March 2025Allow200NoNo
18877338GROUTING PIPE AND CONSTRUCTION METHOD OF DESERT WATER STORAGE AREADecember 2024March 2025Allow300NoNo
18977605METHOD OF AND SYSTEM FOR IN-SITU CREATION OF CONCRETE ARCHESDecember 2024March 2025Allow310NoNo
18965106WHOLE-SPACE DRILLING-GROUTING INTEGRATED DEVICEDecember 2024March 2025Allow410NoNo
18962402NATURAL RUN-OF-THE-RIVER HYDRO POWER GENERATION SYSTEM FOR PRODUCING CLEAN ENERGYNovember 2024November 2025Allow1120NoNo
18962858RAILING ASSEMBLIES AND METHODS OF INSTALLATIONNovember 2024January 2025Allow200YesNo
18960181GREEN SEALING MATERIAL FOR KARST FLOWING WATER, AND PREPARATION METHOD AND USE THEREOFNovember 2024February 2025Allow200NoNo
18960492EMERGENCY DISPOSAL METHOD AND SYSTEM SUITABLE FOR CONTAMINATED SOILNovember 2024April 2025Allow410NoNo
18869509ELASTIC MEMBER AND ELASTIC DEVICENovember 2024July 2025Allow710YesNo
18955232FALL PROTECTION SYSTEM AND GUARDRAIL POST ASSEMBLY THEREFORNovember 2024March 2025Allow410NoNo
18952041LINING JACKING CONSTRUCTION METHOD FOR LINEAR HYDRAULIC TUNNELSNovember 2024January 2026Abandon1420NoNo
18943804RAINWATER BIORETENTION FACILITY FOR SYNCHRONIZED NITROGEN AND PHOSPHORUS REMOVAL IN RAINFALL CONDITIONSNovember 2024March 2026Allow1600NoNo
18940891ECO-FRIENDLY HIGH-PERFORMANCE ALL-SOLID-WASTE SOIL-BINDING MATERIAL AND PREPARATION METHOD AND USE METHOD THEREOFNovember 2024April 2025Allow500NoNo
18929709CONTROL APPARATUS AND METHOD FOR BUOYANCY ADJUSTMENT OF SHIELD TUNNEL SEGMENTSOctober 2024April 2025Allow510NoNo
18929242CLAMP ASSEMBLY FOR FALL PROTECTION REINFORCEMENT POSTOctober 2024February 2025Allow410NoNo
18927519SYSTEMS AND METHODS FOR A MODULAR DRAINAGE SYSTEMOctober 2024September 2025Abandon1120YesNo
18924991MODULAR HYDROPOWER SYSTEMS AND METHODS WITH PUMPED STORAGEOctober 2024March 2026Allow1611NoNo
18922108VERTICAL CABLE RAIL BARRIEROctober 2024May 2025Allow710YesNo
18857179SPRAY-APPLIED POLYURETHANE INSULATION MATERIAL FOR TUNNELS IN COLD REGIONS, ITS APPLICATION, AND ITS CONSTRUCTION METHODOctober 2024November 2025Allow1311NoNo
18916639Connector for Curtain RodsOctober 2024March 2025Allow510NoNo
18854873ROCK BOLTOctober 2024February 2026Allow1600NoNo
18906964BRACKET FOR SUPPORTING ATTACHMENT OF THE END OF A RAILING MEMBER TO A VERTICAL MEMBEROctober 2024June 2025Allow820YesNo
18904167ADJUSTABLE FENCINGOctober 2024September 2025Allow1111YesNo
18904178Low-PIM Barrier Stanchion And Safety BarrierOctober 2024February 2025Allow400NoNo
18901006ADJUSTABLE RAILINGSeptember 2024September 2025Allow1221NoNo
18849913STRUCTURAL PLATES AND METHODS OF CONSTRUCTING ARCH-SHAPED STRUCTURES USING STRUCTURAL PLATESSeptember 2024March 2026Allow1810NoNo
18886979BORDER WALLS AND RELATED SYSTEMS AND METHODSSeptember 2024March 2025Allow610NoNo
18884488SUBTERRANEAN IRRIGATION SYSTEMSeptember 2024June 2025Allow1011NoNo
18882618METHODS AND SYSTEMS FOR STORING HYDROGEN IN A SALT CAVERNSeptember 2024April 2025Allow711NoNo
18824161Sewer System Overflow Prevention DeviceSeptember 2024February 2026Allow1700NoNo
18818611AUTOMATIC SUPPORT DEVICE FOR RESISTING ROCK BURST IN MINESAugust 2024February 2025Allow610NoNo
18819213Coupler for Coupling Driven Steel Pipe PilesAugust 2024July 2025Allow1021YesNo
18838719A Concealable Panel-Engagement ApparatusAugust 2024May 2025Allow900NoNo
18801756INSTALLATION METHOD FOR CLOSURE JOINT OF IMMERSED TUNNELAugust 2024October 2024Allow200NoNo
18801094TORQUE TUBE COUPLERAugust 2024February 2025Allow610YesNo
18798140TUBE JOINT APPARATUS FOR DOUBLE-TUBE FLOATING TUNNEL AND CONSTRUCTION METHOD THEREOFAugust 2024September 2024Allow100NoNo
18791915LOW PROFILE ASYMMETRIC LEACHING CHAMBER FOR ONSITE WASTEWATER MANAGEMENT SYSTEMAugust 2024December 2025Allow1600NoNo
18790061BEAM CONNECTOR, CONNECTOR MEMBER THEREOF, DRILL JIG THEREFOR, AND BEAM ASSEMBLY COMPRISING THE SAMEJuly 2024November 2025Allow1521YesNo
18786650SIDE STRUCTURE OF FENCE FRAMEWORK, FENCE FRAMEWORK, FENCE, AND FOLDING METHOD THEREOFJuly 2024September 2024Allow200NoNo
18782486Mechanically Stabilized Earth (MSE) Retaining Wall Using Geosynthetic Reinforcement Belt With Curvilinear Embed Apparatus in Wall PanelJuly 2024March 2026Allow1920YesNo
18776265PILE-NET FLEXIBLE CABLE BARRIER STRUCTURE AND CONSTRUCTION METHOD THEREOFJuly 2024September 2024Allow200NoNo
18774963TORQUE LIMITING COUPLER FOR AN ELECTRIC MOTOR SHAFTJuly 2024November 2025Allow1621YesYes
18772747PIECE OF FURNITUREJuly 2024January 2025Allow600NoNo
18768589PREFABRICATED VERTICAL GEOTEXTILE DITCH CHECK SYSTEMJuly 2024July 2025Allow1310NoNo
18725796SOIL REMEDIATION SYSTEM AND SOIL REMEDIATION METHODJuly 2024February 2025Allow800NoNo
18767518Systems and Methods to Provide Pressed and Aggregate Filled Concavities for Improving Ground Stiffness and UniformityJuly 2024December 2025Allow1820NoNo
18764767VERTICAL POST STRUCTURE OF FENCEJuly 2024November 2025Allow1730YesNo
18764708HANDRAIL ATTACHMENT SYSTEM AND METHODJuly 2024February 2025Allow800YesNo
18764170INTELLIGENT CONSTRUCTION CONTROL METHOD AND SYSTEM FOR JET GROUTING PILE BASED ON STRATUM INFORMATION INVERSIONJuly 2024December 2025Allow1700NoNo
18763220BALL HEAD WITH ANTI-ROTATION SELF-ALIGNING INTERFACEJuly 2024February 2025Allow800NoNo
18760159AUTOMATED UPDATING OF GEOLOGICAL MODEL BOUNDARIES FOR IMPROVED ORE EXTRACTIONJuly 2024February 2026Allow1900NoNo
18760362INTEGRATED MINING METHOD OF COAL BREAKING, COAL EXTRACTION AND WATER CIRCULATION IN U-WELL AND SYSTEM THEREOFJuly 2024January 2025Allow610YesNo
18760395COAL MINING SYSTEM AND METHOD OF DUAL CIRCULATION DRILLING WITH MECHANICAL REAMING AND ABRASIVE JETJuly 2024May 2025Allow1110NoNo
18761078COUPLING STRUCTURE FOR BOARD ASSEMBLYJuly 2024September 2025Abandon1410NoNo
18757664FAST-DETACHING STRUCTUREJune 2024March 2025Allow911NoNo
18757391METHOD AND APPARATUS FOR ADDITIVE FRICTION STIR MANUFACTURED TRANSITION JOINTJune 2024August 2025Allow1420NoNo
18755958MWD ISOLATION DEVICEJune 2024January 2025Allow610NoNo
18753442TENSION FOUNDATION FOR HOLDING A BUOYANT OBJECTJune 2024April 2025Allow1010NoNo
18749617CRASH IMPACT ATTENUATOR SYSTEMS AND METHODSJune 2024January 2025Allow700NoNo
18748955SELECTIVELY LOCKABLE BALL AND SOCKET JOINTJune 2024May 2025Allow1010YesNo
18746416SYSTEMS AND METHODS FOR PROTECTING BRIDGES OVER MARITIME SHIPPING CHANNELSJune 2024October 2025Allow1600NoNo
18746446EXTENSIBLE SHELLS AND RELATED METHODS FOR CONSTRUCTING A DUCTILE SUPPORT PIERJune 2024February 2026Allow2020NoNo
18720362CABLE LAYING VESSELJune 2024October 2025Allow1600NoNo
18740472SECURABLE DEVICE HAVING A CORKSCREWJune 2024February 2026Allow2110NoNo
18718278MOORING SYSTEMS FOR FIXED MARINE STRUCTURESJune 2024January 2026Allow2010NoNo
18738645SYSTEM AND PROCESS FOR GEOLOGICAL SEQUESTRATION OF CARBON-CONTAINING MATERIALSJune 2024January 2025Allow710YesNo
18717013LINING TUBE FOR RESTORING DEFECTIVE SEWER SHAFTS INCLUDING A BERM AND A CHANNEL, AND METHOD FOR PRODUCING SAME, AND METHOD FOR LINING A DEFECTIVE SEWER SHAFTJune 2024December 2024Allow610NoNo
18733279Advanced Fiber Rope Boom Pendant Technologies for Heavy EqiupmentJune 2024July 2025Abandon1410NoNo
18732431Silt Fence Configured for Capturing Pollutants and Fabric Forming the SameJune 2024April 2025Allow1110NoNo
18678192POLE ADAPTER AND RELATED HAND TOOLS USING THE ADAPTERMay 2024March 2026Allow2200NoNo

Appeals Overview

This analysis examines appeal outcomes and the strategic value of filing appeals for art-unit 3678.

Patent Trial and Appeal Board (PTAB) Decisions

Total PTAB Decisions
120
Examiner Affirmed
78
(65.0%)
Examiner Reversed
42
(35.0%)
Reversal Percentile
63.6%
Higher than average

What This Means

With a 35.0% 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
309
Allowed After Appeal Filing
93
(30.1%)
Not Allowed After Appeal Filing
216
(69.9%)
Filing Benefit Percentile
37.2%
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, 30.1% 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 3678 - Prosecution Statistics Summary

Executive Summary

Art Unit 3678 is part of Group 3670 in Technology Center 3600. This art unit has examined 8,335 patent applications in our dataset, with an overall allowance rate of 78.6%. Applications typically reach final disposition in approximately 26 months.

Comparative Analysis

Art Unit 3678's allowance rate of 78.6% places it in the 57% percentile among all USPTO art units. This art unit has an above-average allowance rate compared to other art units.

Prosecution Patterns

Applications in Art Unit 3678 receive an average of 1.73 office actions before reaching final disposition (in the 37% percentile). The median prosecution time is 26 months (in the 75% 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.