USPTO Examiner DANG ANH TIEU - Art Unit 3771

Recent Applications

Detailed information about the 100 most recent patent applications.

Application NumberTitleFiling DateDisposal DateDispositionTime (months)Office ActionsRestrictionsInterviewAppeal
18916404INTRAVASCULAR LITHOTRIPSYOctober 2024April 2025Allow610YesNo
18774078ROTATIONAL ATHERECTOMY DEVICES AND METHODSJuly 2024February 2025Allow700YesNo
18658372ROTATIONAL ATHERECTOMY DEVICES AND METHODSMay 2024November 2024Allow610YesNo
18586828ARTICULATION MECHANISMS AND METHODS OF USEFebruary 2024January 2025Allow1110NoNo
18443267INTRAVASCULAR LITHOTRIPSYFebruary 2024September 2024Allow710NoNo
18426851SINGLE OPERATOR DEVICE FOR DELIVERING AN OCULAR IMPLANTJanuary 2024May 2025Allow1601NoNo
18523683ROTATIONAL ATHERECTOMY DEVICES AND METHODSNovember 2023April 2024Allow501YesNo
18522914ENDOSCOPIC STRIP DELIVERY DEVICENovember 2023June 2025Allow1900YesNo
18482762BIFURCATED ENDOVASCULAR PROSTHESIS HAVING TETHERED CONTRALATERAL LEGOctober 2023February 2025Allow1701NoNo
18480486INVERTING SLEEVE APPARATUSES AND METHOD FOR DRYING AND CLEANING THE EAR OR NOSEOctober 2023April 2024Allow710YesNo
18370819INTRAGASTRIC DEVICESeptember 2023March 2024Allow610YesNo
18367811INTRAVASCULAR LITHOTRIPSYSeptember 2023January 2024Allow410YesNo
18241151INTRAGASTRIC DEVICEAugust 2023April 2025Allow1910YesNo
18238587APPARATUS FOR REMOVING A HOOK WITH A BARBAugust 2023April 2025Abandon2010NoNo
18454469AUTOMATED IMAGE-GUIDED TISSUE RESECTION AND TREATMENTAugust 2023March 2025Allow1810YesNo
18365477MULTI-PHASIC HANDPIECE FOR EXCISION OF HAIR GRAFTSAugust 2023June 2025Allow2301YesNo
18230066MAGNETIC COMPRESSION ANASTOMOSIS DEVICE WITH MULTIPIECE VERTEBRAAugust 2023October 2024Allow1420NoNo
18357256PIXEL ARRAY MEDICAL SYSTEMS, DEVICES AND METHODSJuly 2023March 2025Abandon2010YesNo
18224246AUTOMATED INSERTION DEVICEJuly 2023April 2025Abandon2110YesNo
18261050ENDOSCOPIC TISSUE RESECTION DEVICEJuly 2023May 2025Allow2200NoNo
18033946APPARATUS AND METHOD FOR MECHANICALLY DISINTEGRATING TISSUE INTO MICROGRAFTS, AND FEEDER PIECE USED IN CONNECTION WITH THE DISINTEGRATION OF TISSUEApril 2023April 2024Allow1111YesNo
18134507INTRAVASCULAR LITHOTRIPSYApril 2023November 2023Allow810YesNo
18299005Blood Vessel Detection and AvoidanceApril 2023June 2024Allow1400YesNo
18245060Capacitive Sensor for Precisely Measuring High Strain on the Surface of a Balloon of a Balloon CatheterMarch 2023May 2025Allow2610YesNo
18171032ARTICULATION FEATURES FOR ULTRASONIC SURGICAL INSTRUMENTFebruary 2023March 2025Allow2520YesNo
18167107HEATED ENDOVASCULAR CATHETER INJECTION DEVICEFebruary 2023February 2025Allow2420YesNo
18104516ENDOPROSTHESIS DELIVERY SYSTEM WITH IMPROVED RETRACTIONFebruary 2023December 2024Allow2310YesNo
18149759INTRAOCULAR LENS INJECTORJanuary 2023April 2025Allow2720YesNo
18084689Radially-Firing Electrohydraulic Lithotripsy ProbeDecember 2022December 2024Abandon2420NoNo
18011105SUCTION DEVICE FOR FOREIGN SUBSTANCES FROM BODYDecember 2022August 2024Allow2030YesNo
17983259ENDOLUMINAL PROSTHESIS SYSTEMS AND METHODSNovember 2022April 2024Allow1810NoNo
17966977WORKING CHANNEL DEVICE FOR AN ENDOSCOPIC TOOLOctober 2022October 2024Allow2420YesNo
17937294METHOD FOR TUNING LITHOTRIPSY FREQUENCY TO TARGET SIZESeptember 2022March 2025Allow3000NoNo
17955233AUTOMATED IMAGE-GUIDED TISSUE RESECTION AND TREATMENTSeptember 2022November 2024Abandon2530NoNo
17870925TRANSCATHETER PROSTHETIC HEART VALVE DELIVERY SYSTEM WITH DISTAL CUTTING ASSEMBLYJuly 2022June 2024Allow2310YesNo
17861137INTRAVASCULAR LITHOTRIPSYJuly 2022December 2022Allow510YesNo
17844464WEDGE DISSECTORS FOR A MEDICAL BALLOONJune 2022December 2022Allow610NoNo
17659040INCISIONLESS GASTRIC BYPASS SYSTEMApril 2022December 2022Allow810YesNo
17687069SNARE DEVICEMarch 2022March 2024Allow2410YesNo
17681160EARWAX REMOVAL DEVICEFebruary 2022March 2024Allow2510YesNo
17678394WEDGE DISSECTORS FOR A MEDICAL BALLOONFebruary 2022July 2022Allow410NoNo
17581792INTRAGASTRIC DEVICEJanuary 2022June 2023Allow1720YesNo
17565095TISSUE DEFLECTING DEVICES AND RELATED METHODS OF USEDecember 2021August 2024Allow3120YesNo
17644173LITHOPLASTY BALLOON SYSTEMS, DEVICES AND METHODS WITH ELECTRODE PAIRS HAVING MULTIPLE SPARK GAPSDecember 2021March 2024Abandon2710NoNo
17548212SINGLE OPERATOR DEVICE FOR DELIVERING AN OCULAR IMPLANTDecember 2021October 2023Allow2351YesNo
17615758BALLOON DILATION DEVICEDecember 2021May 2025Allow4210YesNo
17537715TISSUE RESECTING DEVICE INCLUDING A BLADE LOCK AND RELEASE MECHANISMNovember 2021April 2025Allow4040YesNo
17454668INTRAVASCULAR LITHOTRIPSY SYSTEMS AND METHODSNovember 2021February 2024Allow2720YesNo
17454721SYSTEMS, DEVICES AND METHODS FOR MONITORING VOLTAGE AND CURRENT AND CONTROLLING VOLTAGE OF VOLTAGE PULSE GENERATORSNovember 2021October 2023Allow2310YesNo
17454718SYSTEMS, DEVICES AND METHODS FOR SELECTION OF ARC LOCATION WITHIN A LITHOPLASTY BALLOON SPARK GAPNovember 2021July 2023Allow2000NoNo
17454667METHODS, SYSTEMS AND DEVICES FOR GENERATING PRESSURE WAVES IN INTRAVASCULAR LITHOTRIPSYNovember 2021August 2024Allow3410YesNo
17454587SYSTEMS, DEVICES AND METHODS FOR GENERATING SUBSONIC PRESSURE WAVES IN INTRAVASCULAR LITHOTRIPSYNovember 2021July 2023Allow2000YesNo
17454574INTRAVASCULAR LITHOTRIPSY SYSTEM AND DEVICENovember 2021February 2024Allow2720NoNo
17516799MOTORIZED EAR-CLEANING DEVICENovember 2021December 2023Allow2520YesNo
17514595APPARATUS FOR REMOVING A HOOK WITH A BARBOctober 2021September 2023Abandon2210NoNo
17496446AUTOMATED INSERTION DEVICEOctober 2021May 2023Allow1900NoNo
17486408EAR AND NOSE CLEANING DEVICESeptember 2021April 2025Allow4250YesNo
17411489Transseptal Delivery System for Aortic Valve Therapeutic DevicesAugust 2021August 2023Abandon2420YesNo
17408609Refrigerant Dispenser for Tick RemovalAugust 2021April 2024Abandon3210NoNo
17406154Skin Graft HarvesterAugust 2021July 2024Allow3400YesNo
17403819CANDLING ASSEMBLY INCLUDING A DISK OPERATIVELY ATTACHED TO AN EAR CANDLE FOR USE WITH AN EARAugust 2021March 2024Abandon3120NoNo
17399410SYSTEMS AND METHODS FOR LOADING AND DEPLOYING AN INTRAVASCULAR DEVICEAugust 2021February 2025Allow4320NoNo
17396988DELIVERY BALLOON WITH RETRACTABLE RETENTION CUFFSAugust 2021March 2024Allow3230YesNo
17390078WEDGE DISSECTORS FOR A MEDICAL BALLOONJuly 2021January 2022Allow510YesNo
17390134WEDGE DISSECTORS FOR A MEDICAL BALLOONJuly 2021January 2022Allow510YesNo
17378928UNIVERSAL FACIAL REJUVENATION TREATMENT SYSTEM (U-FRTS)July 2021August 2023Allow2520YesNo
17368549MONITORING SYSTEM FOR A HEMOSTASIS BANDJuly 2021October 2024Allow3930YesNo
17303080FLUID MANAGEMENT SYSTEMS AND METHODSMay 2021February 2025Allow4531NoNo
17323200Acupressure Node GarmentMay 2021March 2024Abandon3420NoNo
17322435ARTICULATION MECHANISMS AND METHODS OF USEMay 2021November 2023Allow3021NoNo
17246502SYSTEMS, METHODS AND DEVICES FOR PERFORMING ENDOSCOPIC PROCEDURESApril 2021April 2022Allow1210NoNo
17235764THROMBECTOMY DEVICE, SYSTEM AND METHOD FOR EXTRACTION OF VASCULAR THROMBI FROM A BLOOD VESSELApril 2021July 2024Allow3930YesNo
17187628APPARATUS, SYSTEM AND METHOD OF ULTRASONIC POWER DELIVERY IN A SURGICAL SYSTEMFebruary 2021May 2023Allow2710YesNo
17180261REINFORCING INCISION DRAPES HAVING STITCHING ZONES BOUNDED BY REINFORCING ZONES FOR CLOSING INCISIONS FORMED IN FRAGILE TISSUEFebruary 2021November 2024Allow4520YesYes
17178935INCISIONLESS GASTRIC BYPASS SYSTEMFebruary 2021December 2021Allow1020NoNo
17158542MAGNETIC ANASTOMOSIS DEVICES AND METHODS OF DELIVERYJanuary 2021January 2023Allow2300YesNo
17137196SENSOR FILM FOR ENDOSCOPIC INSTRUMENTSDecember 2020April 2023Allow2710NoNo
17137213SENSOR FILM FOR ENDOSCOPIC INSTRUMENTSDecember 2020July 2024Allow4330YesNo
17134301SEGMENTED ARCH FULCRUM SUPPORT CATHETER AND METHOD OF USEDecember 2020November 2023Abandon3410NoNo
17103830INTRAVASCULAR THROMBOEMBOLECTOMY DEVICE AND METHOD USING THE SAMENovember 2020October 2022Allow2220YesYes
17055595SURGICAL INSTRUMENTS FOR OCULAR SURGERYNovember 2020February 2025Allow5130NoNo
17092893HEMOSTAT-STYLE ULTRASONIC SURGICAL INSTRUMENT WITH CLAMP FORCE-LIMITING FEATURENovember 2020May 2024Abandon4220YesNo
17081465Rounded Invasive Electrohydraulic Lithotripsy Probe with PortsOctober 2020February 2023Allow2810NoNo
17067872STEERABLE GUIDE WITH PARTIAL SLEEVEOctober 2020November 2023Allow3710YesNo
17041040WORKING CHANNEL DEVICESeptember 2020April 2024Allow4311NoNo
17021690HAND HELD DERMAPLANING DEVICE AND DERMAPLANING PROCESSSeptember 2020February 2021Allow520NoNo
17021681NEEDLE-HANDLING DEVICESeptember 2020November 2021Allow1420NoNo
17010299APPARATUS AND METHODS FOR ACCESSING AND SEALING BODILY VESSELS AND CAVITIESSeptember 2020July 2023Allow3410NoNo
16947944MINIMALLY INVASIVE IMPLANTABLE NEUROSTIMULATION SYSTEMAugust 2020December 2023Allow3930YesNo
16947948MINIMALLY INVASIVE IMPLANTABLE NEUROSTIMULATION SYSTEMAugust 2020June 2023Allow3410YesNo
16947947MINIMALLY INVASIVE IMPLANTABLE NEUROSTIMULATION SYSTEMAugust 2020December 2023Allow4030YesNo
16947945MINIMALLY INVASIVE IMPLANTABLE NEUROSTIMULATION SYSTEMAugust 2020March 2023Allow3110YesNo
16947946MINIMALLY INVASIVE IMPLANTABLE NEUROSTIMULATION SYSTEMAugust 2020March 2023Allow3110YesNo
16947949MINIMALLY INVASIVE IMPLANTABLE NEUROSTIMULATION SYSTEMAugust 2020March 2023Allow3110YesNo
16971383DEVICE AND METHOD FOR CLEANING THE EXTERNAL AUDITORY CANALAugust 2020May 2023Allow3320YesNo
16996173Handpiece TipAugust 2020March 2023Abandon3120YesNo
16969331BALLOON DILATATION SYSTEMAugust 2020August 2023Allow3710YesNo
16941796PIXEL ARRAY MEDICAL SYSTEMS, DEVICES AND METHODSJuly 2020August 2023Allow3610YesNo
16922902APPARATUS AND METHODS FOR ACCESSING AND SEALING BODILY VESSELS AND CAVITIESJuly 2020September 2024Abandon5120NoYes
16921678EXTERNALLY SUPPORTED ANASTOMOSISJuly 2020November 2023Allow4020YesNo

Appeals Overview

This analysis examines appeal outcomes and the strategic value of filing appeals for examiner DANG, ANH TIEU.

Patent Trial and Appeal Board (PTAB) Decisions

Total PTAB Decisions
6
Examiner Affirmed
3
(50.0%)
Examiner Reversed
3
(50.0%)
Reversal Percentile
78.8%
Higher than average

What This Means

With a 50.0% 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
27
Allowed After Appeal Filing
9
(33.3%)
Not Allowed After Appeal Filing
18
(66.7%)
Filing Benefit Percentile
52.5%
Higher 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, 33.3% of applications that filed an appeal were subsequently allowed. This appeal filing benefit rate is above the USPTO average, suggesting that filing an appeal can be an effective strategy for prompting 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 is strategically valuable. The act of filing often prompts favorable reconsideration during the mandatory appeal conference.

Examiner DANG, ANH TIEU - Prosecution Strategy Guide

Executive Summary

Examiner DANG, ANH TIEU works in Art Unit 3771 and has examined 344 patent applications in our dataset. With an allowance rate of 83.1%, this examiner has an above-average tendency to allow applications. Applications typically reach final disposition in approximately 34 months.

Allowance Patterns

Examiner DANG, ANH TIEU's allowance rate of 83.1% places them in the 51% percentile among all USPTO examiners. This examiner has an above-average tendency to allow applications.

Office Action Patterns

On average, applications examined by DANG, ANH TIEU receive 2.12 office actions before reaching final disposition. This places the examiner in the 71% percentile for office actions issued. This examiner issues a slightly above-average number of office actions.

Prosecution Timeline

The median time to disposition (half-life) for applications examined by DANG, ANH TIEU is 34 months. This places the examiner in the 25% percentile for prosecution speed. Prosecution timelines are slightly slower than average with this examiner.

Interview Effectiveness

Conducting an examiner interview provides a +14.7% benefit to allowance rate for applications examined by DANG, ANH TIEU. This interview benefit is in the 57% percentile among all examiners. Recommendation: Interviews provide an above-average benefit with this examiner and are worth considering.

Request for Continued Examination (RCE) Effectiveness

When applicants file an RCE with this examiner, 26.5% of applications are subsequently allowed. This success rate is in the 34% percentile among all examiners. Strategic Insight: RCEs show below-average effectiveness with this examiner. Carefully evaluate whether an RCE or continuation is the better strategy.

After-Final Amendment Practice

This examiner enters after-final amendments leading to allowance in 32.8% of cases where such amendments are filed. This entry rate is in the 40% percentile among all examiners. Strategic Recommendation: This examiner shows below-average receptiveness to after-final amendments. You may need to file an RCE or appeal rather than relying on after-final amendment entry.

Pre-Appeal Conference Effectiveness

When applicants request a pre-appeal conference (PAC) with this examiner, 44.4% result in withdrawal of the rejection or reopening of prosecution. This success rate is in the 38% percentile among all examiners. Note: Pre-appeal conferences show below-average success with this examiner. Consider whether your arguments are strong enough to warrant a PAC request.

Appeal Withdrawal and Reconsideration

This examiner withdraws rejections or reopens prosecution in 77.8% of appeals filed. This is in the 66% percentile among all examiners. Of these withdrawals, 47.6% occur early in the appeal process (after Notice of Appeal but before Appeal Brief). Strategic Insight: This examiner shows above-average willingness to reconsider rejections during appeals. The mandatory appeal conference (MPEP § 1207.01) provides an opportunity for reconsideration.

Petition Practice

When applicants file petitions regarding this examiner's actions, 30.4% are granted (fully or in part). This grant rate is in the 22% percentile among all examiners. Strategic Note: Petitions are rarely granted regarding this examiner's actions compared to other examiners. Ensure you have a strong procedural basis before filing a petition, as the Technology Center Director typically upholds this examiner's decisions.

Examiner Cooperation and Flexibility

Examiner's Amendments: This examiner makes examiner's amendments in 0.0% of allowed cases (in the 41% percentile). This examiner makes examiner's amendments less often than average. You may need to make most claim amendments yourself.

Quayle Actions: This examiner issues Ex Parte Quayle actions in 1.4% of allowed cases (in the 60% percentile). This examiner issues Quayle actions more often than average when claims are allowable but formal matters remain (MPEP § 714.14).

Prosecution Strategy Recommendations

Based on the statistical analysis of this examiner's prosecution patterns, here are tailored strategic recommendations:

    Relevant MPEP Sections for Prosecution Strategy

    • MPEP § 713.10: Examiner interviews - available before Notice of Allowance or transfer to PTAB
    • MPEP § 714.12: After-final amendments - may be entered "under justifiable circumstances"
    • MPEP § 1002.02(c): Petitionable matters to Technology Center Director
    • MPEP § 1004: Actions requiring primary examiner signature (allowances, final rejections, examiner's answers)
    • MPEP § 1207.01: Appeal conferences - mandatory for all appeals
    • MPEP § 1214.07: Reopening prosecution after appeal

    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.