USPTO Art Unit 3797 Prosecution Statistics

Art Unit Information

Art Unit: 3797
Group: 3790
Tech Center: 3700
Total Cases: 1,605
Last Active: August 2025

Recent Applications

Detailed information about the 100 most recent patent applications.

Application NumberTitleFiling DateDisposal DateDispositionTime (months)Office ActionsRestrictionsInterviewAppeal
19314663CONTOUR-ADAPTIVE ULTRASOUND SYSTEM FOR FAT TISSUE TREATMENTAugust 2025January 2026Allow500NoNo
19277009MAGNET SYSTEM FOR NUCLEAR MAGNETIC RESONANCEJuly 2025January 2026Allow611YesNo
19273783Fluoroscopic Retrograde Urethrogram InstrumentJuly 2025September 2025Allow200YesNo
19273499Fluoroscopic Retrograde Urethrogram InstrumentJuly 2025January 2026Allow600YesNo
19258014AIRWAY MUCUS SCORING SYSTEMJuly 2025December 2025Allow510NoNo
19257653VASCULAR ACCESS METHODSJuly 2025March 2026Allow920YesNo
19204526DIFFUSION MAGNETIC RESONANCE METHOD FOR MEASURING CARDIAC-CYCLE-DEPENDENT GLYMPHATIC SYSTEM CIRCULATIONMay 2025August 2025Allow300NoNo
19185873SYSTEMS AND METHODS FOR WIRELESS NEUROSENSINGApril 2025February 2026Allow901NoNo
19170420System and Method for Volume InsonationApril 2025February 2026Allow1021YesNo
19096945REAL-TIME HUMAN POSTURE TRACKING AND CALIBRATION SYSTEM FOR TUMOR RADIOTHERAPYApril 2025November 2025Allow810NoNo
19092143Biological Fluid Information Acquisition ApparatusMarch 2025March 2026Allow1100NoNo
19085315PATIENT-COMPLIANT MRI COIL EMPLOYING PATIENT ANATOMY FOR COIL LOCATIONMarch 2025November 2025Allow820NoNo
19085275REAL-TIME SURGICAL REFERENCE INDICIUM APPARATUS AND METHODS FOR INTRAOCULAR LENS IMPLANTATIONMarch 2025March 2026Allow1200NoNo
19081166ARTIFICIAL INTELLIGENCE-DRIVEN DYNAMIC ULTRASOUND SYSTEM AND METHOD FOR DETECTING SUBACROMIAL IMPINGEMENTMarch 2025March 2026Allow1200NoNo
19073960ULTRASOUND ENDOSCOPE FOR PREVENTING A NON-COAXIAL CABLE FROM BEING DISCONNECTED AND IMPROVING A DEGREE OF FREEDOM OF WIRINGMarch 2025February 2026Allow1200YesNo
19044191Magnetic Signature Imprinting SystemFebruary 2025February 2026Allow1300NoNo
19035559Electromagnetic Transmitters for Continuous Monitoring of Patient Position during Magnetocardiography ScanningJanuary 2025January 2026Allow1200NoNo
19025440PORTABLE IMAGING SYSTEMS FOR FLUORESCENCE BASED WOUND PSEUDO COLOR CODED IMAGING AND MONITORING OF BACTERIAL AUTOFLUORESCENCE EMITTED FROM BIOMARKERS VIA CORRELATION/COREGISTRATIONJanuary 2025March 2026Allow1420YesNo
19009838WEARABLE MEDICAL MODULE FOR WOUND TREATMENT, IMAGING, MONITORING AND ANALYSIS BASED ON IMAGES OF WOUNDJanuary 2025January 2026Allow1220YesNo
18879775METHOD AND SYSTEM FOR CONTACTLESS VITAL SIGN MONITORING VIA CALCULATING DISPLACEMENT SIGNAL BY APPLYING ADAPTIVE NONLINEAR LEAST SQUARES METHODDecember 2024July 2025Allow610YesNo
19000663MULTI-AXIS TUMOR MARGIN MARKER SYSTEMDecember 2024March 2025Allow300YesNo
18991054SYSTEM AND METHOD FOR MEASURING PULSE WAVE VELOCITYDecember 2024September 2025Allow920YesNo
18977499METHOD FOR CHARACTERIZING A TUBULAR OBJECT SUCH AS A BLOOD VESSEL BY ULTRASONIC IMAGINGDecember 2024July 2025Allow710NoNo
18976599POSITIONING AND ORIENTATION OF A HAND-GUIDED MODALITYDecember 2024March 2025Allow300NoNo
18975086INTRAVASCULAR IMAGING CATHETERDecember 2024February 2026Allow1510NoNo
18974220BIMODAL METHOD FOR DETECTION AND MEASUREMENT OF MACULAR PIGMENTS IN RETINA TISSUEDecember 2024November 2025Allow1120NoNo
18873025ORAL ANALYSIS DEVICEDecember 2024February 2026Allow1510NoNo
18973039APPARATUS AND METHOD FOR DYNAMICALLY DETERMINING A LABEL FOR A CARDIAC POTENTIAL SIGNAL VIA SIMULATION OF NEURAL NETWORK TRAINED DATADecember 2024July 2025Allow710YesNo
18970911BIOLOGICAL CONDITION MEASUREMENT APPARATUS, BIOLOGICAL CONDITION MEASUREMENT METHOD, AND BIOLOGICAL STATE MEASUREMENT SYSTEMDecember 2024November 2025Allow1100NoNo
18963565ENDOSCOPIC IMAGE PROCESSING METHODNovember 2024January 2026Allow1310NoNo
18962176MAGNETIC TOLERANT IMAGINGNovember 2024March 2026Allow1510NoNo
18960984ELECTROMAGNETIC TRACKING AND POSITION MEASUREMENT SYSTEM HAVING INTERFERENCE REDUCTION FROM NEARBY INSTRUMENTATION BY FILTERING TIME-DIVISION MULTIPLEXED SIGNAL VIA STEP FUNCTIONNovember 2024March 2026Allow1610YesNo
18959838APPARATUS AND METHOD FOR ULTRASOUND SPINAL CORD STIMULATIONNovember 2024February 2026Allow1500YesNo
18959018PPG SIGNAL QUALITY EVALUATION METHOD AND APPARATUS AND PPG SIGNAL PROCESSING METHOD AND SYSTEMNovember 2024April 2025Allow501YesNo
18958640ELASTOGRAPHY FOR LIGAMENT CHARACTERIZATIONNovember 2024February 2026Allow1410NoNo
18958807EXTEMPORANEOUS ROUTE PLANNING DURING LIVE ENDOSCOPIC SURGICAL PROCEDURESNovember 2024September 2025Allow920YesNo
18957268ANCHOR CONFIGURATIONS FOR AN ARRAY OF ULTRASONIC TRANSDUCERSNovember 2024November 2025Allow1200NoNo
18951431PHYSIOLOGY SENSING INTRALUMINAL DEVICE WITH INDEX FOR SPECTRAL FLOW ASSESSMENT, AND ASSOCIATED DEVICES, SYSTEMS, AND METHODSNovember 2024February 2026Allow1510NoNo
18948054Marker Materials and Forms for Magnetic Marker Localization (MML)November 2024March 2026Allow1600NoNo
18946851THERAPEUTIC FOCUSED ULTRASOUND SYSTEMS AND METHODS HAVING TREATMENT BLOCKS THAT ARE ROTATABLE AROUND REFERENCE AXIS FOR INDEPENDENT PHASE AND AMPLITUDE CONTROLNovember 2024November 2025Allow1210YesNo
18946162TRANSPERINEAL BIOPSY GUIDE WITH MOUNT, GUIDE MEMBER, AND DISPLACEMENT MEMBER DISPLACEABLE WITHIN A GAP OF THE GUIDE MEMBERNovember 2024January 2025Allow200NoNo
18942801COMPUTER-ASSISTED NEEDLE INSERTION METHODNovember 2024November 2025Allow1200NoNo
18940311Systems and Methods for Visualizing Anatomy, Locating Medical Devices, or Placing Medical DevicesNovember 2024February 2026Allow1600NoNo
18939422ATHERECTOMY CATHETER DRIVE ASSEMBLIESNovember 2024October 2025Allow1100NoNo
18937711STRUCTURE OF SURGICAL DEVICE FOR IRRADIATING FOCUSED ULTRASOUND TO MULTIPLE DEPTHS AND SURGICAL METHOD USING THE SAMENovember 2024June 2025Allow800NoNo
18936364Ultrasound Systems and Methods for Sustained Spatial AttentionNovember 2024February 2026Allow1610NoNo
18936083DEVICE AND METHOD FOR IN VIVO FLOW CYTOMETRY USING THE DETECTION OF PHOTOACOUSTIC WAVESNovember 2024March 2026Allow1610YesNo
18935057SYSTEMS AND METHODS FOR ROBOTIC MEDICAL SYSTEM INTEGRATION WITH EXTERNAL IMAGINGNovember 2024March 2025Allow410NoNo
18933426ASSIST TOOL AND SENSOR KITOctober 2024February 2026Allow1610YesNo
18934154SYSTEMS AND METHODS FOR PLATFORM AGNOSTIC WHOLE BODY IMAGE SEGMENTATIONOctober 2024December 2024Allow200NoNo
18934158SYSTEMS AND METHODS FOR PLATFORM AGNOSTIC WHOLE BODY IMAGE SEGMENTATIONOctober 2024October 2025Allow1211NoNo
18861785ULTRASOUND BEAMFORMING METHOD, SYSTEM, AND COMPUTER-READABLE MEDIUM FOR SUPPRESSING CLUTTEROctober 2024October 2025Allow1200NoNo
18930450ULTRASONIC PROBEOctober 2024February 2026Allow1610NoNo
18928048METHODS AND DEVICES FOR MANAGING FLUID PRESSUREOctober 2024January 2026Allow1410NoNo
18924812HIGH INTENSITY THERAPEUTIC ULTRASOUND (HITU) HISTOTRIPSY SYSTEMS, METHODS AND TREATMENT NAVIGATION SOFTWAREOctober 2024January 2026Allow1510YesNo
18923852MRI Compatible Interventional WireguideOctober 2024March 2026Allow1710NoNo
18919461GAIT EVALUATING SYSTEMOctober 2024January 2026Allow1510NoNo
18918269DEVICES, SYSTEMS, AND METHODS FOR LOCATING A BODY LUMENOctober 2024February 2026Allow1610NoNo
18916904Systems, Catheters, Drive Units, and Methods for Automatic Catheter IdentificationOctober 2024March 2026Allow1710NoNo
18917971METHODS OF TREATING CELLULITE AND SUBCUTANEOUS ADIPOSE TISSUEOctober 2024October 2025Allow1200YesNo
18916169SYSTEMS AND METHODS FOR RELIABLE REPLACEMENT OF ULTRASOUND NEUROMODULATION WEARABLESOctober 2024November 2025Allow1310NoNo
18915057CONTINUOUS THREE-DIMENSIONAL IMAGING FOR MAGNETIC RESONANCE ELASTOGRAPHYOctober 2024March 2026Allow1710NoNo
18907913TRANSPERINEAL BIOPSY GUIDE WITH ACCESS NEEDLE SUPPORT STRUCTURE SUPPORTING AN ACCESS NEEDLE AT VARIOUS VERTICAL POSITIONS WITHIN A VERTICAL OPENING OF THE GUIDEOctober 2024November 2024Allow200NoNo
18908020TRANSPERINEAL BIOPSY GUIDE WITH ACCESS NEEDLE SUPPORT STRUCTURE HAVING A PASSAGE WITH COMPLEMENTARY SURFACES WITH THE ACCESS NEEDLE HUB TO INHIBIT ROTATION THEREOFOctober 2024November 2024Allow200NoNo
18854940Synthetic Generation of Face Videos with Plethysmograph PhysiologyOctober 2024September 2025Allow1100NoNo
18853991IMPROVEMENTS IN OR RELATING TO SUSCEPTIBILITY PROBES FOR DETECTING SURGICAL MARKERSOctober 2024February 2026Allow1720NoNo
18905698Nasal Patient Tracking Device And Method Of Using The SameOctober 2024March 2026Allow1700NoNo
18904565Fluoroscopic Retrograde Urethrogram InstrumentOctober 2024July 2025Allow921YesNo
18853448PSYCHOLOGICAL STATE DISPLAY SYSTEMOctober 2024February 2026Allow1710NoNo
18903768TELEOPERATED SURGICAL SYSTEM WITH PATIENT HEALTH RECORDS BASED INSTRUMENT CONTROLOctober 2024February 2026Allow1720YesNo
18903165DETERMINING A CONSENSUS PLANE FOR IMAGING A MEDICAL DEVICEOctober 2024February 2026Allow1610NoNo
18903890COHERENT SPREAD-SPECTRUM CODED WAVEFORMS IN SYNTHETIC APERTURE IMAGE FORMATIONOctober 2024January 2026Allow1610NoNo
18902298SYSTEMS AND METHODS FOR MEDICAL PROCEDURES USING OPTICAL COHERENCE TOMOGRAPHY SENSINGSeptember 2024January 2026Allow1610NoNo
18899869POWER SAVING MECHANISMS IN NRSeptember 2024November 2025Allow1410NoNo
18898897SYSTEM FOR NEURONAVIGATION REGISTRATION AND ROBOTIC TRAJECTORY GUIDANCE, ROBOTIC SURGERY, AND RELATED METHODS AND DEVICESSeptember 2024February 2026Allow1700YesNo
18898587MEDICAL IMAGING APPARATUS, METHOD, AND STORAGE MEDIUMSeptember 2024November 2025Allow1400NoNo
18892659VEHICULAR INTERIOR REARVIEW MIRROR ASSEMBLY WITH MICRO-LED DISPLAYSeptember 2024October 2025Allow1300NoNo
18890259SYSTEMS AND METHODS FOR PASSIVE WIRE MANAGEMENTSeptember 2024December 2025Allow1410YesNo
18564032METHOD AND APPARATUS FOR VISUALIZING BIOLOGICAL TISSUESeptember 2024November 2025Allow2400NoNo
18848296AUTOMATIC PLACEMENT OF REFERENCE GRIDS AND ESTIMATION OF ANATOMICAL COORDINATE SYSTEMSSeptember 2024February 2025Allow500NoNo
18886977BIOMAGNETIC DETECTIONSeptember 2024January 2026Allow1610NoNo
18846994MOBILE ULTRAWIDEBAND RADAR FOR MONITORING THORACIC FLUID LEVELS AND CARDIO-RESPIRATORY FUNCTIONSeptember 2024September 2025Allow1200NoNo
18885023TREATMENT SYSTEMS AND METHODS FOR TREATING CELLULITE AND FOR PROVIDING OTHER TREATMENTSSeptember 2024February 2026Abandon1710NoNo
18884964Quantitative Magnetic Resonance Imaging of the VasculatureSeptember 2024January 2026Allow1610NoNo
18882672Signal Processing Methods and Systems for Biomagnetic Field ImagingSeptember 2024February 2026Allow1710NoNo
18882529SYSTEMS AND METHODS FOR ORIENTATION DETECTION AND TOOL INSTALLATIONSeptember 2024December 2025Allow1510YesNo
18829929PERSONAL CAROTID ARTERY STENOSIS DETECTION AND STROKE PREVENTION DEVICE AND PROCESSSeptember 2024March 2026Allow1810YesNo
18829104BLOOD GLUCOSE ESTIMATION USING NEAR INFRARED LIGHT EMITTING DIODESSeptember 2024June 2025Allow910YesNo
18828299DETERMINING A LENGTH OF A STENTSeptember 2024February 2026Allow1710YesNo
18829086DEVICES, SYSTEMS, AND METHODS FOR TREATING VOLUME OVERLOADSeptember 2024February 2026Abandon1710NoNo
18844455ROBOT DEVICESeptember 2024February 2026Abandon1710NoNo
18827011MONITORING AND ANALYSIS OF INVASIVE AND NON-INVASIVE ELECTROPHYSIOLOGICAL SIGNALSSeptember 2024December 2025Allow1520NoNo
18826479ULTRASONIC TREATMENT DEVICESeptember 2024November 2025Allow1511NoNo
18824923RADIOGRAPHY SYSTEM, OPERATION METHOD THEREOF, AND OPERATION PROGRAMSeptember 2024January 2026Allow1710NoNo
18824536OPTIMIZING A PULSE SEQUENCE USING AN OPTIMIZATION MAPSeptember 2024March 2026Allow1810NoNo
18843919ULTRASOUND TREATMENT DEVICE AND METHOD FOR CONTROLLING SAMESeptember 2024December 2025Abandon1510NoNo
18822978BATHING DEVICES WITH THERAPEUTIC ULTRASOUNDSeptember 2024March 2026Allow1811NoNo
18822277APPARATUS AND METHOD FOR DETECTING CANCEROUS MASS OF BREAST VIA ELECTROMAGNETIC RADIATION BY COMPUTER CONTROLLED EMITTER AND DETECTOR OF RADIATION WITH WINDOW AND OPTIONAL COLLIMATOR AND MOTORSeptember 2024September 2025Allow1300YesNo
18820628INCABIN SENSOR FOR PREDICTING DRIVER STATE USING RADAR AND DRIVER STATE PREDICTING METHODAugust 2024July 2025Allow1100NoNo
18821043SURFACING INSIGHTS INTO LEFT AND RIGHT VENTRICULAR DYSFUNCTION THROUGH DEEP LEARNINGAugust 2024January 2026Allow1701NoNo

Appeals Overview

This analysis examines appeal outcomes and the strategic value of filing appeals for art-unit 3797.

Patent Trial and Appeal Board (PTAB) Decisions

Total PTAB Decisions
59
Examiner Affirmed
35
(59.3%)
Examiner Reversed
24
(40.7%)
Reversal Percentile
81.3%
Higher than average

What This Means

With a 40.7% 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
178
Allowed After Appeal Filing
56
(31.5%)
Not Allowed After Appeal Filing
122
(68.5%)
Filing Benefit Percentile
46.2%
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, 31.5% 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 3797 - Prosecution Statistics Summary

Executive Summary

Art Unit 3797 is part of Group 3790 in Technology Center 3700. This art unit has examined 1,605 patent applications in our dataset, with an overall allowance rate of 72.0%. Applications typically reach final disposition in approximately 45 months.

Comparative Analysis

Art Unit 3797's allowance rate of 72.0% places it in the 36% 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 3797 receive an average of 3.12 office actions before reaching final disposition (in the 99% percentile). The median prosecution time is 45 months (in the 6% 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 multiple rounds of 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.