USPTO Art Unit 3771 Prosecution Statistics

Art Unit Information

Art Unit: 3771
Group: 3770
Tech Center: 3700
Total Cases: 23,383
Last Active: November 2025

Recent Applications

Detailed information about the 100 most recent patent applications.

Application NumberTitleFiling DateDisposal DateDispositionTime (months)Office ActionsRestrictionsInterviewAppeal
19378332Apertured Multilayer Balloon Catheter SystemNovember 2025February 2026Allow300YesNo
19330007Multi-Function Systems, Apparatus and Methods for Approximating, Ligating and Fixating Soft TissueSeptember 2025January 2026Allow400YesNo
19330687SURGICAL DEVICE FOR CONTROLLED ANCHORING IN THE INTESTINESeptember 2025January 2026Allow400YesNo
19292419SUTURING PROCEDUREAugust 2025November 2025Allow300YesNo
19279781CATHETER SYSTEM WITH HIGHLY FLEXIBLE DISTAL PORTION FOR DISTAL ACCESS AND/OR CLOT REMOVALJuly 2025February 2026Allow710NoNo
19271062Systems, Apparatus and Methods for Passing Suture Through Soft TissueJuly 2025November 2025Allow400NoNo
19268611SURGICAL GUIDEWIRE DEVICE AND SUTURE FIXATION SYSTEMJuly 2025September 2025Allow200YesNo
19244937EMULSIFICATION DEVICES AND METHODS FOR CRYSTALLINE LENS REMOVALJune 2025September 2025Allow300YesNo
19241649VACUUM ASSISTED OCCLUSION OF THE LEFT ATRIAL APPENDAGEJune 2025December 2025Allow620YesNo
19239617TOOL FOR MACULAR ELEVATIONJune 2025January 2026Allow710YesNo
19236848OCULAR DELIVERY SYSTEMS AND METHODSJune 2025December 2025Allow610NoNo
19233527PACIFIER WITH COUPLING MECHANISMJune 2025August 2025Allow300YesNo
19224346SUTURE PASSER DEVICES, SYSTEMS, AND METHODSMay 2025August 2025Allow200YesNo
19223433SYSTEM, DEVICES AND METHODS FOR REMOVING OBSTRUCTIONS IN BODY LUMENSMay 2025December 2025Allow610YesNo
19217972Infusion Catheter and Balloon Catheter System and MethodMay 2025February 2026Allow920NoNo
19214880AXIAL LENGTHENING THROMBUS CAPTURE SYSTEMMay 2025October 2025Allow510YesNo
19214915AXIAL LENGTHENING THROMBUS CAPTURE SYSTEMMay 2025October 2025Allow510YesNo
19213354DEVICES, SYSTEMS, AND METHODS FOR INTRALUMINAL PUNCTURINGMay 2025September 2025Allow401NoNo
19210219ROTATIONAL ATHERECTOMY DEVICES AND METHODSMay 2025June 2025Allow100YesNo
19210993SURGICAL DEVICE FOR CONTROLLED ANCHORING IN THE INTESTINEMay 2025August 2025Allow310YesNo
19200757HAND-HELD PISTOL-SHAPED MULTI-ANGLE BENDING SURGICAL INSTRUMENTMay 2025August 2025Allow300NoNo
19200521INTERVENTIONAL SYSTEMS AND ASSOCIATED DEVICES AND METHODSMay 2025July 2025Allow200YesNo
19191088SIDE-TO-END ANASTOMOTIC COUPLERApril 2025December 2025Allow821YesNo
19189216MAGNETIC HYDROGEL, PREPARATION METHOD THEREOF AND NON-INVASIVE SKIN MECHANICAL LOADING DEVICEApril 2025September 2025Allow410NoNo
19186260DEVICES, METHODS, AND SYSTEMS TO TREAT CHRONIC BRONCHITISApril 2025August 2025Allow410YesNo
19185020DEVICES, METHODS, AND SYSTEMS TO TREAT CHRONIC BRONCHITISApril 2025August 2025Allow410YesNo
19183357SURGICAL NEEDLE HOLDER AND METHODS OF USING THE SAMEApril 2025October 2025Allow610YesNo
19182476CONTROL METHOD AND ASSOCIATED APPARATUS FOR SURGICAL ASSISTANCE SYSTEMApril 2025October 2025Allow610NoNo
19180544DEVICES, TREATMENTS AND METHODS TO RESTORE TISSUE ELASTIC RECOILApril 2025November 2025Allow710YesNo
19180391SELF-LOCKING TOURNIQUETApril 2025December 2025Allow800NoNo
19172712IMPLANTATION SYSTEM AND METHOD FOR IMPLANTING FLEXIBLE NEURAL ELECTRODEApril 2025July 2025Allow300NoNo
19171315Percutaneous Catheter Directed Intravascular Occlusion DevicesApril 2025July 2025Allow420YesNo
19171019ALL-SUTURE ANCHORApril 2025May 2025Allow100YesNo
19170999CONTROL OF IVL SYSTEMS, DEVICES AND METHODS THEREOFApril 2025November 2025Allow710YesNo
19090800Controlled Tissue Dissection Systems and MethodsMarch 2025November 2025Abandon810NoNo
19083583SURGICAL IMPLANT ASSEMBLYMarch 2025July 2025Allow410YesNo
19084737FOOT REFLEX ZONES IDENTIFICATION METHOD, DEVICE, REHABILITATION ROBOT, AND STORAGE MEDIUMMarch 2025July 2025Allow401YesNo
19082864ULTRASONIC SURGICAL BLADESMarch 2025March 2026Allow1121YesNo
19081925CUTTERS WITH PULSATING VACUUM CONTROLMarch 2025July 2025Allow410YesNo
19082099Instrument for Manual Insertion of a ButtonMarch 2025March 2026Abandon1120YesNo
19080352DEVICE AND METHOD FOR TREATING DERMATITIS, PSORIASIS, ACNE AND OTHER DISORDERS OF THE SKINMarch 2025June 2025Allow300NoNo
19074731CHALAZION CLAMPMarch 2025May 2025Allow200YesNo
19108304SURGICAL FORCEPS AND FIXATION THEREOFMarch 2025December 2025Allow1020NoNo
19068049Percutaneous Catheter Directed Intravascular Occlusion DevicesMarch 2025July 2025Allow420NoNo
19064425SYSTEMS, DEVICES AND METHODS FOR TISSUE FIXATION AND APPROXIMATING TISSUE DEFECTSFebruary 2025July 2025Allow500NoNo
19064641LAPAROSCOPIC ANASTOMOSIS DEVICES AND METHODS OF USE THEREOFFebruary 2025June 2025Allow400NoNo
19061275STENOSIS REPAIR USING LARYNGEAL FORCEPS HAVING MEASUREMENT SCALEFebruary 2025December 2025Allow920NoNo
19058000HEMOSTATIC CLIP ASSEMBLY AND TWO-PIECE FORCEPSFebruary 2025September 2025Allow711NoNo
19058548COMPRESSION GARMENT FOR WINDING AND APPLYING ON LEG, ARM OR UPPER LIMBFebruary 2025April 2025Allow200NoNo
19053238BALLOON CATHETER AND METHODS OF USE TO REDUCE RESIDUAL STENOSISFebruary 2025March 2026Allow1330YesNo
19048877DEVICE AND METHOD FOR GENERATING A CHANNEL IN AN EYE TISSUE LAYER FOR TREATMENT OF OCULAR DISORDERSFebruary 2025October 2025Allow820NoNo
19047456INTRAVASCULAR LITHOTRIPSY CATHETERFebruary 2025July 2025Allow510YesNo
19047147INTRAVASCULAR LITHOTRIPSY SYSTEMFebruary 2025June 2025Allow410NoNo
19043083SYSTEMS AND METHODS FOR SURGICAL TRACKING AND PREDICTIONJanuary 2025August 2025Allow610NoNo
19040898Fenestrated Balloon Catheter SystemJanuary 2025August 2025Allow620YesNo
19039417SUTURING ASSEMBLY INCLUDING A DOUBLE-HEADED CURVED NEEDLEJanuary 2025August 2025Allow610NoNo
19038476SYSTEMS FOR PERCUTANEOUS VENTRICULOPLASTY USING VENTRICULAR ANCHORSJanuary 2025October 2025Allow911YesNo
19036797LASER-BASED ALIGNMENT ASSISTANCE APPARATUS, LASER-BASED ALIGNMENT ASSISTANCE SYSTEM, AND AN X-RAY IMAGING SYSTEMJanuary 2025June 2025Allow500NoNo
19035284WIRELESS MEASUREMENT OF SUTURE TENSIONJanuary 2025June 2025Allow400YesNo
19026053Hydro Dermabrasion Device With MicroneedlesJanuary 2025August 2025Allow720YesNo
19025234INTRODUCER SHEATH SYSTEMS AND METHODSJanuary 2025December 2025Allow1130YesNo
18994991DISTAL THROMBECTOMY DEVICEJanuary 2025March 2026Allow1400YesNo
18994905DISTAL PROTECTION DEVICE AND MANUFACTURING METHOD THEREFORJanuary 2025June 2025Allow500YesNo
19020361NEUROVASCULAR CLOT RETRIEVING SYSTEMJanuary 2025April 2025Allow310NoNo
19010570IN VIVO OCCLUSION AND CLAMPING INSTRUMENTJanuary 2025July 2025Allow710NoNo
18878081Styptic harness tourniquetDecember 2024May 2025Allow510NoNo
18877017SYSTEM FOR ASSISTING IN IMPLANTING ELECTRODE WIRE AND METHOD FOR GUIDING ELECTRODE WIREDecember 2024October 2025Allow1000NoNo
18876708TOOL KIT FOR THE IMPLANTATION OF A TENDON FIXATION IMPLANTDecember 2024December 2025Allow1200YesNo
18982707ANASTOMOSIS DEVICE WITH SENSOR FOR EXTRACORPOREAL SENSING AND MANIPULATIONDecember 2024October 2025Allow1010NoNo
18978859EXPANDING DEVICE AND METHOD OF USE THEREOFDecember 2024July 2025Allow710NoNo
18975399ELASTIC BAND LIGATION DEVICE WITH ANTI-PINCH FEATURE AND METHOD FOR TREATMENT OF HEMORRHOIDSDecember 2024March 2025Allow310NoNo
18975408ELASTIC BAND LIGATION DEVICE WITH ANTI-PINCH FEATURE AND METHOD FOR TREATMENT OF HEMORRHOIDSDecember 2024March 2025Allow310NoNo
18965484SUTURE RETENTION DEVICEDecember 2024March 2025Allow400YesNo
18963033SUTURE GUIDENovember 2024May 2025Allow610YesNo
18962737DEVICE TO RESTRAIN OPENING OF AN OFF-THE-SHELF SURGICAL INSTRUMENTNovember 2024February 2025Allow300NoNo
18962711OCCLUSION DEVICES AND METHODS HAVING LATERAL POCKETS OR SLEEVESNovember 2024December 2025Allow1220YesNo
18960815SYSTEMS, DEVICES, AND METHODS FOR TREATMENT OF TARGET MATERIAL IN A BODY LUMEN WITH SHOCK WAVESNovember 2024December 2025Allow1330YesNo
18959941PACIFIER WITH COUPLING MECHANISMNovember 2024March 2025Allow401YesNo
18955049HOOK WIRE FOR PREVENTING PREMATURE EMBOLIC IMPLANT DETACHMENTNovember 2024March 2026Allow1500YesNo
18954162DEVICES FOR IN SITU FORMED, REINFORCED NERVE COAPTATION AIDS, CAPS, AND WRAPSNovember 2024January 2026Allow1431YesNo
18952352NASAL DILATOR SYSTEMNovember 2024March 2026Allow1500NoNo
18952944HANDHELD SURGICAL SYSTEMS WITH INTERCHANGEABLE DEXTEROUS END-EFFECTORSNovember 2024May 2025Allow510NoNo
18952731CONSOLE OF AN OPHTHALMIC SURGICAL SYSTEM AND OPHTHALMIC SURGICAL SYSTEMNovember 2024November 2025Allow1210YesNo
18950236CORONARY ARTERY ROTATIONAL ATHERECTOMY INTERVENTION SYSTEMNovember 2024March 2026Allow1600NoNo
18950765SHOCK WAVE CATHETERS AND METHODS OF USE THEREOF FOR TREATING, IMAGING, AND CHARACTERIZING BODY LUMENSNovember 2024June 2025Allow710YesNo
18949255SYSTEM, DEVICES AND METHODS FOR REMOVING OBSTRUCTIONS IN BODY LUMENSNovember 2024January 2025Allow200YesNo
18949280SYSTEM, DEVICES AND METHODS FOR REMOVING OBSTRUCTIONS IN BODY LUMENSNovember 2024April 2025Allow510YesNo
18946857Multiple Pass Self-Cinching Suture ConstructNovember 2024January 2025Allow200YesNo
18946766ASPIRATION THROMBECTOMY SYSTEM AND METHODS FOR THROMBUS REMOVAL WITH ASPIRATION CATHETERNovember 2024March 2025Allow400YesNo
18946722ASPIRATION THROMBECTOMY SYSTEM AND METHODS FOR THROMBUS REMOVAL WITH ASPIRATION CATHETERNovember 2024March 2025Allow400YesNo
18946479ASPIRATION THROMBECTOMY SYSTEM AND METHODS FOR THROMBUS REMOVAL WITH ASPIRATION CATHETERNovember 2024July 2025Allow801YesNo
18944940SYSTEM AND METHOD FOR RETRIEVING A MAGNETIC IMPLANT FOR FORMING AN ANASTAMOSIS IN THE DIGESTIVE TRACTNovember 2024January 2026Allow1420NoNo
18943820Nasal Delivery Tools, Systems, and Methods of UseNovember 2024March 2026Allow1600NoNo
18940438ALL-SUTURE ANCHOR, INSTRUMENTS, AND METHODS OF USING THE SAMENovember 2024March 2026Allow1600NoNo
18940115SURGICAL DEVICE FOR CONTROLLED ANCHORING IN THE INTESTINENovember 2024February 2025Allow410NoNo
18937562MEDICAL DEVICE INSERTERS AND PROCESSES OF INSERTING AND USING MEDICAL DEVICESNovember 2024September 2025Allow1110NoNo
18934919INSTRUMENT FOR SURGERYNovember 2024December 2024Allow200NoNo
18934045SYSTEMS AND METHODS FOR REMOVAL OF BIOLOGICAL OBJECTS FROM ANATOMICAL STRUCTURES WITHIN A BODYOctober 2024August 2025Allow920YesNo
18927099SAFETY VITREOUS BODY CUTTING DEVICEOctober 2024February 2026Allow1600YesNo
18926071OCCLUSIVE DEVICEOctober 2024March 2026Allow1600YesNo

Appeals Overview

This analysis examines appeal outcomes and the strategic value of filing appeals for art-unit 3771.

Patent Trial and Appeal Board (PTAB) Decisions

Total PTAB Decisions
516
Examiner Affirmed
307
(59.5%)
Examiner Reversed
209
(40.5%)
Reversal Percentile
81.1%
Higher than average

What This Means

With a 40.5% 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
1464
Allowed After Appeal Filing
459
(31.4%)
Not Allowed After Appeal Filing
1005
(68.6%)
Filing Benefit Percentile
45.3%
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, 31.4% 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 3771 - Prosecution Statistics Summary

Executive Summary

Art Unit 3771 is part of Group 3770 in Technology Center 3700. This art unit has examined 23,383 patent applications in our dataset, with an overall allowance rate of 73.0%. Applications typically reach final disposition in approximately 36 months.

Comparative Analysis

Art Unit 3771's allowance rate of 73.0% places it in the 39% 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 3771 receive an average of 2.03 office actions before reaching final disposition (in the 62% percentile). The median prosecution time is 36 months (in the 28% 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.