USPTO Art Unit 1796 Prosecution Statistics

Art Unit Information

Art Unit: 1796
Group: 1790
Tech Center: 1700
Total Cases: 23,381
Last Active: April 2025

Recent Applications

Detailed information about the 100 most recent patent applications.

Application NumberTitleFiling DateDisposal DateDispositionTime (months)Office ActionsRestrictionsInterviewAppeal
19205555SYSTEMS AND METHODS FOR IN VIVO NANOTOXICITY TESTINGMay 2025September 2025Allow401NoNo
19200238AUTOMATED SYSTEM AND METHODS FOR TISSUE DEMINERALIZATIONMay 2025February 2026Allow910YesNo
19190645MEASUREMENT APPARATUS AND METHOD FOR HYDROGEN SOLUBILITY AND COMPETITIVE DISSOLUTION OF MULTI-COMPONENT GASESApril 2025August 2025Allow410YesNo
19172238SYSTEMS AND METHODS FOR HYPOTHERMIC TRANSPORT OF A HEARTApril 2025March 2026Allow1111YesNo
19094566COUPLING METHODMarch 2025July 2025Allow400YesNo
19048007APPARATUSES AND METHODS FOR MEASURING DNA/RNA PRODUCTION IN BIOCHIPSFebruary 2025September 2025Allow701NoNo
19024756METHODS FOR PROCESSING A PATHOLOGY SPECIMENJanuary 2025June 2025Allow501NoNo
19020965Fluorescence Imaging Flow Cytometry With Enhanced Image ResolutionJanuary 2025February 2026Allow1321NoNo
19014907IROA Metabolomics Workflow for Improved Accuracy, Identification and QuantitationJanuary 2025March 2025Allow200YesNo
19010420METHOD AND APPARATUS FOR CONDUCTING MULTIPLE REACTIONSJanuary 2025May 2025Allow511NoNo
18999249SYSTEMS FOR MONITORING AND APPLYING ELECTRICAL CURRENTS IN AN ORGAN PERFUSION SYSTEMDecember 2024March 2026Allow1510NoNo
18974436CELL SORTING AND SELECTION USING DEGRADABLE HYDROGELSDecember 2024October 2025Allow1011NoNo
18921829SYSTEMS AND METHODS FOR MOTILE SPERM DETERMINATIONOctober 2024April 2025Allow611NoNo
18848147EXTRACTION OPERATION ROOM AND INTELLIGENT SAMPLE ACCESS SYSTEMSeptember 2024February 2025Allow500NoNo
18830245MULTIPLEX ASSAY READER AND MICROFLUIDIC TEST CARTRIDGESeptember 2024January 2026Allow1621YesNo
18829330NUCLEIC ACID TEST KIT AND PREPARATION PROCESS THEREOFSeptember 2024April 2025Allow711NoNo
18811490SYSTEMS, DEVICES, AND METHODS FOR AUTOMATIC CELL SORTINGAugust 2024December 2024Allow400NoNo
18809530BIOHYDROGEN PRODUCTION DEVICE OF CORN STALKS BASED ON SYNCHRONOUS SACCHARIFICATION AND FERMENTATION AND HYDROGEN PRODUCTION METHOD THEREOFAugust 2024May 2025Allow910YesNo
18793613MICROORGANISM SAMPLING TOOLAugust 2024November 2024Allow400NoNo
18835715SHAKING BLOCK, SHAKING DEVICE COMPRISING DETACHABLE MODULE, AND LIQUID HANDLING SYSTEM COMPRISING SAMEAugust 2024November 2025Allow1511NoNo
18791199Pipetting Device, Pipette Tip Coupler, and Pipette Tip: Devices and MethodsJuly 2024September 2025Allow1340NoNo
18833282HIGH-THROUGHPUT ASSAY FOR CELL MIGRATION, CHEMOTAXIS, AND FUNCTIONJuly 2024March 2025Allow800NoNo
18777879SYSTEMS AND METHODS FOR CELL CULTURINGJuly 2024October 2025Allow1500YesNo
18769059AUTOMATED SYSTEM AND METHODS FOR TISSUE DEMINERALIZATIONJuly 2024February 2025Allow710YesNo
18722124PROCESS FOR MANUFACTURING A MICROFLUIDIC DEVICEJune 2024April 2025Allow1020NoNo
18747355AUTOMATED CENTRIFUGE LOADERJune 2024July 2025Allow1321YesNo
18738633LYSIS DEVICES HAVING A PIEZO ELEMENT AND METHODSJune 2024October 2025Allow1610NoNo
18734776Pipetting Device, Pipette Tip Coupler, and Pipette Tip: Devices and MethodsJune 2024March 2026Allow2120NoNo
18733288SYSTEMS AND METHODS FOR FRACTIONATION AND COLLECTION OF ANALYTES IN A SAMPLEJune 2024May 2025Allow1201NoNo
18668683APPARATUS FOR MEASURING GLYCATION OF RED BLOOD CELLS AND GLYCATED HEMOGLOBIN LEVEL USING PHYSICAL AND ELECTRICAL CHARACTERISTICS OF CELLS, AND RELATED METHODSMay 2024May 2025Allow1201NoNo
18664237FLUID DELIVERY METHODSMay 2024September 2025Allow1720YesNo
18656658Method and Retainer for Hemostasis TestingMay 2024September 2025Allow1621NoNo
18628036SAMPLE PROCESSING ASSEMBLYApril 2024January 2026Abandon2110NoNo
18619661SYSTEMS AND METHODS FOR HIGH-FIDELITY CAPTURE, THREADING, AND INFINITE-DEPTH SEQUENCING OF SINGLE NUCLEIC ACID MOLECULESMarch 2024December 2025Allow2100NoNo
18696338TUBE RETAINER WITH VACUUM PUMP HAVING DISK CAMMarch 2024December 2024Allow810NoNo
18613327Reprocessing CaseMarch 2024March 2026Allow2320YesNo
18612611ACOUSTIC RESONATOR DEVICEMarch 2024July 2025Allow1611NoNo
18692839DISINFECTING AND VIRUS INACTIVATING DEVICE, AIR-CONDITIONING APPARATUS INCLUDING DISINFECTING AND VIRUS INACTIVATING DEVICE THEREON, AND DISINFECTION AND VIRUS INACTIVATION METHODMarch 2024March 2025Allow1221YesNo
18608572SYSTEM AND METHOD FOR PROCESSING AND DETECTING NUCLEIC ACIDSMarch 2024June 2025Abandon1501NoNo
18690486FLUID ANALYZING SYSTEM USING FILM-LEVER ACTUATED SWITCHESMarch 2024July 2024Allow400NoNo
18598166ULTRA-HIGH-SPEED FULLY AUTOMATIC PRECISION SPECTRAL ANALYSIS SYSTEM FOR RARE EARTH METALS AND WORKING METHOD THEREOFMarch 2024January 2025Allow1011NoNo
18595927CONCENTRATING PARTICLES IN A MICROFLUIDIC DEVICEMarch 2024September 2024Allow700NoNo
18595920SORTING PARTICLES IN A MICROFLUIDIC DEVICEMarch 2024June 2025Allow1501NoNo
18591786MICROFLUIDIC CONTROLFebruary 2024July 2025Abandon1730NoNo
18588830EMULATING VASCULAR CELLULAR PHYSIOLOGIESFebruary 2024January 2025Allow1110NoNo
18587733BIOCHEMICAL ANALYSIS INSTRUMENTFebruary 2024October 2025Allow1931NoNo
18583747SYSTEMS AND METHODS FOR ASSESSING BIOLOGICAL SAMPLESFebruary 2024March 2025Allow1220NoNo
18439694Organ Chips And Uses ThereofFebruary 2024May 2025Abandon1610NoNo
18432939SYSTEMS AND METHODS FOR PROCESSING A PATHOLOGY SPECIMENFebruary 2024October 2025Abandon2041NoNo
18419850APOLIPOPROTEIN E ISOTYPE DETECTION BY MASS SPECTROMETRYJanuary 2024January 2025Allow1210NoNo
18412395MICROFLUIDIC SYSTEMJanuary 2024August 2024Allow720YesNo
18406610EMULATING DISEASE IN A MICROFLUIDIC SYSTEM WITH A RELEASABLE INTERFACIAL FILM AND COMMUNICATION BETWEEN NON-GEL AQUEOUS SOLUTIONSJanuary 2024August 2024Allow700YesNo
18407234Surface Stabilization of BiosensorsJanuary 2024August 2024Allow700NoNo
18400103CULTURE METHODS AND DEVICES FOR TESTINGDecember 2023March 2026Abandon2720NoNo
18397463ZINC-RESPONSIVE FLUOROPHORESDecember 2023November 2024Allow1010YesNo
18396196SYSTEMS FOR MONITORING AND APPLYING ELECTRICAL CURRENTS IN AN ORGAN PERFUSION SYSTEMDecember 2023September 2024Allow900YesNo
18394339MASS SPECTRAL TISSUE ANALYSISDecember 2023December 2025Allow2420YesNo
18542574Dual-Depth Thermoplastic Microfluidic Device and Related Systems and MethodsDecember 2023March 2025Allow1501NoNo
18527656FLUIDIC CARTRIDGE WITH VALVE MECHANISMDecember 2023July 2024Allow700NoNo
18522056SCANDIUM PRECURSOR FOR SC2O3 OR SC2S3 ATOMIC LAYER DEPOSITIONNovember 2023March 2025Allow1510YesNo
18510350MODULAR, MICROFLUIDIC, MECHANICALLY ACTIVE BIOREACTOR FOR 3D, MULTI-TISSUE, TISSUE CULTURENovember 2023October 2024Allow1110NoNo
18509131Method of Carrying Out a Bioreaction with Multiple Coupled VesselsNovember 2023July 2025Allow2011NoNo
18388470OPTICAL SYSTEMS AND METHODS FOR BIOLOGICAL ANALYSISNovember 2023May 2024Abandon600NoNo
18498220ISOLATION TUBEOctober 2023October 2024Allow1100NoNo
18497955DEVICE AND METHOD FOR CELL-BASED DRUG SCREENINGOctober 2023October 2025Allow2311NoNo
18491983MICROFLUIDIC DEVICESOctober 2023October 2024Allow1100NoNo
18491110INSTALLATION FOR BIOTECHNOLOGICAL APPLICATIONS, WITH CARRIER FOR THE MOUNTING OF COMPONENTSOctober 2023January 2026Allow2710NoNo
18488661Apparatus and Method for Taking Blood Glucose Measurements and Recommending Insulin DosesOctober 2023April 2025Abandon1710NoNo
18555608A SAMPLE PREPARATION DEVICEOctober 2023July 2025Allow2121NoNo
18485072GAS SENSOR DEVICE FOR DETECTING GASES WITH LARGE MOLECULESOctober 2023September 2024Allow1201NoNo
18378481ANALYTE DEPLETION FOR SENSOR EQUILIBRATIONOctober 2023September 2024Allow1201NoNo
18483209METHOD FOR PREPARING A SUBSTRATE BY APPLYING A SAMPLE TO BE ANALYSEDOctober 2023December 2024Allow1410YesNo
18374319VITRO EPITHELIAL MODELS COMPRISING LAMINA PROPRIA-DERIVED CELLSSeptember 2023April 2025Abandon1810NoNo
18475364CELL CULTURE DEVICESeptember 2023July 2024Allow910NoNo
18475121Modular Bio-Processing Unit and a Bio-Processing System Employing Plural UnitsSeptember 2023January 2026Allow2821NoNo
18372903System and Methods for Preparation of Adipose-Derived Stem CellsSeptember 2023July 2024Allow900NoNo
18551229METHOD FOR THE QUANTIFICATION AND CHARACTERIZATION OF CARBON IN SOILSSeptember 2023March 2026Allow3000NoNo
18242144METHOD OF CLEANING OF ADSORBED MOLECULES IN DRYING STATE ON METAL OXIDE BY UV-VISIBLE ASSISTED PHOTOCATALYSISSeptember 2023February 2024Allow620NoNo
18457163SYSTEM AND METHOD FOR AUTOMATED DETECTION AND DISINFECTION OF A FLEET OF AUTONOMOUS VEHICLESAugust 2023October 2024Allow1410NoNo
18447736AUTOMATED CELL CULTURING AND HARVESTING DEVICEAugust 2023July 2024Allow1120NoNo
18230943Automated Robotic System And Method For Sanitization And DisinfectionAugust 2023November 2024Allow1520NoNo
18364999MULTIGEL TUMOR-ON-A-CHIP SYSTEMAugust 2023November 2024Allow1511NoNo
18364158SYSTEMS AND METHODS FOR AUTOMATED NUCLEIC ACID EXTRACTIONAugust 2023December 2023Allow400NoNo
18364441APPARATUS FOR MEASURING GLYCATION OF RED BLOOD CELLS AND GLYCATED HEMOGLOBIN LEVEL USING PHYSICAL AND ELECTRICAL CHARACTERISTICS OF CELLS, AND RELATED METHODSAugust 2023February 2024Allow610YesNo
18364436APPARATUS FOR MEASURING GLYCATION OF RED BLOOD CELLS AND GLYCATED HEMOGLOBIN LEVEL USING PHYSICAL AND ELECTRICAL CHARACTERISTICS OF CELLS, AND RELATED METHODSAugust 2023February 2024Allow701NoNo
18364289REACTION VESSEL MOVING MEMBER FOR MOVING REACTION VESSELS FROM A PROCESSING TRACK TO A ROTATING DEVICE IN A DIAGNOSTIC ANALZYERAugust 2023September 2024Allow1301NoNo
18350761SERUM METABOLIC BIOMARKERS AND KIT FOR DETECTING DRUG-RESISTANT TUBERCULOSISJuly 2023April 2025Allow2121NoNo
18221364REGULATION OF POLYMERASE USING COFACTOR OXIDATION STATESJuly 2023April 2025Allow2121YesNo
18221174Pipette Tip SystemJuly 2023November 2023Allow420NoNo
18348242CELL PROLIFERATION BIOREACTORJuly 2023July 2025Abandon2420YesNo
18260542Microfluidic device for obtaining a plasma-reactive mixture and method of implementationJuly 2023January 2024Allow600NoNo
18218679CONTROL DEVICE, CONTROL SYSTEM, CONTROL METHOD, AND COMPUTER-READABLE RECORDING MEDIUMJuly 2023January 2026Allow3000NoNo
18218454SYSTEM AND METHOD FOR PROCESSING AND DETECTING NUCLEIC ACIDSJuly 2023November 2024Abandon1610NoNo
18213261REMOTE SMELL TECHNOLOGYJune 2023December 2024Abandon1810NoNo
18337633AUTOMATIC ASSAYING SYSTEM AND METHODS THEREFORJune 2023April 2025Allow2210NoNo
18209548METHODS OF ANALYZING BIOLOGICAL SAMPLES USING A FLUIDIC CARTRIDGEJune 2023June 2024Allow1300NoNo
18333495LIQUID TRANSFER SYSTEMJune 2023April 2025Abandon2210NoNo
18328085VORTEX GENERATOR FOR AGITATION OF FLUIDS DURING SAMPLE PREPARATIONJune 2023September 2024Allow1510NoNo
18039376AUTOMATIC SAMPLE INJECTION DEVICE AND METHOD OF CONTROLLING AUTOMATIC SAMPLE INJECTION DEVICEMay 2023March 2026Allow3400NoNo
18202461FLOW CELL WITH SELECTIVE DEPOSITION OR ACTIVATION OF NUCLEOTIDESMay 2023January 2025Allow1911NoNo

Appeals Overview

This analysis examines appeal outcomes and the strategic value of filing appeals for art-unit 1796.

Patent Trial and Appeal Board (PTAB) Decisions

Total PTAB Decisions
564
Examiner Affirmed
436
(77.3%)
Examiner Reversed
128
(22.7%)
Reversal Percentile
10.0%
Lower than average

What This Means

With a 22.7% reversal rate, the PTAB affirms the examiner's rejections in the vast majority of cases. This reversal rate is in the bottom 25% across the USPTO, indicating that appeals face significant challenges here.

Strategic Value of Filing an Appeal

Total Appeal Filings
2196
Allowed After Appeal Filing
551
(25.1%)
Not Allowed After Appeal Filing
1645
(74.9%)
Filing Benefit Percentile
17.0%
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, 25.1% of applications that filed an appeal were subsequently allowed. This appeal filing benefit rate is in the bottom 25% across the USPTO, indicating that filing appeals is less effective here than in most other areas.

Strategic Recommendations

⚠ Appeals to PTAB face challenges. Ensure your case has strong merit before committing to full Board review.

⚠ Filing a Notice of Appeal shows limited benefit. Consider other strategies like interviews or amendments before appealing.

Art Unit 1796 - Prosecution Statistics Summary

Executive Summary

Art Unit 1796 is part of Group 1790 in Technology Center 1700. This art unit has examined 23,381 patent applications in our dataset, with an overall allowance rate of 59.0%. Applications typically reach final disposition in approximately 37 months.

Comparative Analysis

Art Unit 1796's allowance rate of 59.0% places it in the 14% 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 1796 receive an average of 2.08 office actions before reaching final disposition (in the 66% percentile). The median prosecution time is 37 months (in the 22% 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 more office actions than average, plan for relatively streamlined prosecution.
  • The median prosecution time is longer 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.