USPTO Examiner CHIN RANDALL E - Art Unit 3723

Recent Applications

Detailed information about the 100 most recent patent applications.

Application NumberTitleFiling DateDisposal DateDispositionTime (months)Office ActionsRestrictionsInterviewAppeal
17050539INTERDENTAL CLEANING TOOLMarch 2021January 2024Allow3910NoNo
17255527ERASER TOOL CONTAINING POLYETHERAMINEDecember 2020July 2023Allow3000NoNo
17128775VIBRATORY BODY SCRUBBERDecember 2020September 2022Abandon2101NoNo
17126355FLOOR CLEANERDecember 2020April 2021Allow411YesNo
16972601ENDOTRACHEAL TUBE CLEANING DEVICE SYSTEM AND METHODDecember 2020September 2022Allow2121YesNo
17110269Methods for using an integrated scraper-spongeDecember 2020January 2022Allow1300NoNo
15734310CLEANING DEVICE FOR NOZZLE ASSEMBLIES OF BEVERAGE DISPENSERSDecember 2020January 2024Allow3720NoNo
17106975VIBRATORY BODY SCRUBBERNovember 2020August 2022Abandon2110NoNo
17059271CLEANING SYSTEMNovember 2020December 2023Allow3710NoNo
17105546BRUSHING ACCESSORYNovember 2020March 2023Abandon2810NoNo
17104212Integrated Chemical Delivery and Cleaning SystemsNovember 2020November 2022Allow2400YesNo
17105493ELECTRICALLY POWERED POOL VACUUM CLEANERNovember 2020March 2022Allow1610NoNo
17098350UNIVERSAL PAINT APPLICATOR WITH PIVOT-ARM LOCKING MECHANISMNovember 2020August 2023Allow3300NoNo
17054620DEVICE FOR REMOVING INTERNAL BLOCKAGE MATERIALS FROM A FLUID-CONVEYING LINENovember 2020March 2024Allow4010NoNo
17093075CLOTH ACCESSORYNovember 2020August 2022Abandon2110NoNo
17092255Systems, Devices, and/or Methods for Managing HairNovember 2020May 2023Abandon3120NoNo
17079701MOTORIZED DRAIN CLEANEROctober 2020April 2023Allow2900NoNo
17075638Laser System for Non-Contact and Selective Removal of Corrosion from Tubes Internal SurfacesOctober 2020September 2023Allow3500NoNo
17048810ORBITAL SINGLE-BRUSH MACHINE FOR TREATING FLOORSOctober 2020March 2022Allow1710NoNo
17071488ERGONOMIC HANDLE PAINT BRUSHESOctober 2020February 2023Allow2820NoNo
17034442SKIN TREATMENT DEVICESeptember 2020September 2023Allow3610NoNo
16979479OPTICAL CONNECTOR END SURFACE CLEANERSeptember 2020December 2024Abandon5121NoNo
17013560INNOVATIVE UPRIGHT DUSTPANSeptember 2020August 2022Allow2310NoNo
17010508CLOSED-CONTAINER CLEANERSeptember 2020November 2022Allow2621NoNo
17008822Wall Painting AssemblySeptember 2020September 2021Allow1200NoNo
17007208PAINT BRUSH AND METHOD OF MAKING THE SAMEAugust 2020November 2020Allow310NoNo
16997566CELL OF A BRUSH MAKING DEVICEAugust 2020July 2022Allow2310NoNo
16947421Disinfecting TrayJuly 2020August 2023Allow3600NoNo
16943229CLEANERJuly 2020December 2022Allow2910NoNo
16943207MOBILE ROBOTJuly 2020December 2023Allow4110NoNo
16943064MOBILE ROBOTJuly 2020April 2022Allow2100NoNo
16943183CLEANERJuly 2020September 2022Allow2500NoNo
16965939PIPELINE PIG WITH ROTATING CIRCUMFERENTIAL BRUSH AND SCRAPER DISC WITH WEAR-WEAR-RESISTANT INSERTJuly 2020June 2022Allow2220NoNo
16964063A SANITARY CLEANING ARRANGEMENT, A KNIFE SHEATH ASSEMBLY AND A METHOD FOR SANITARY CLEANING KNIFESJuly 2020July 2024Abandon4820NoNo
16936210GOLF CLUB BRUSHJuly 2020August 2024Abandon4911NoNo
16963022CLEANERJuly 2020July 2022Allow2410NoNo
16961937MOP CLEANING DEVICE WITH CLEANING TUB CAPABLE OF RISING AND FALLINGJuly 2020January 2021Allow610NoNo
16921225Electric Toothbrush with an Illumination RingJuly 2020January 2022Allow1910NoNo
16911591Oral Care Implement and Monofilament Bristle for Use with the SameJune 2020October 2021Allow1500NoNo
16910119Head For An Oral Care ImplementJune 2020March 2023Allow3340NoNo
16957148DUAL MOTION CLEANSING WITH A MECHANICAL CLICK-ON ACCESSORYJune 2020October 2023Allow4010NoNo
16903170PORTABLE CLEANING DEVICE WITH SENSORS AND INTERCHANGEABLE CLEANING TOOLSJune 2020September 2022Allow2710NoNo
16899038METHODS OF PROVIDING A COSMETIC BRUSHJune 2020March 2022Allow2120NoNo
16898929Heated Hair Straightening Iron BrushJune 2020December 2023Allow4211NoNo
16877793SWEEPER HEAD AND HAND-HELD SWEEPERMay 2020November 2023Allow4211NoNo
16877416CONTROLLING A MOVEMENT OF A POOL CLEANING ROBOTMay 2020November 2021Allow1800NoNo
15931639SHAVING BRUSH WITH INTERCHANGEABLE BRISTLESMay 2020April 2022Allow2300NoNo
16870120ELECTROSTATIC BODILY PARTICLE COLLECTION DEVICEMay 2020March 2022Allow2210NoNo
16870311WALL-MOUNTED BACK SCRUBBER APPARATUSMay 2020July 2021Allow1400NoNo
16869030FOOT GUIDED POOL VACUUM HEADMay 2020January 2023Abandon3210NoNo
16869544INTELLIGENT ROBOT FOR CLEANING AND MENDING NET CAGES AND USE METHOD THEREOFMay 2020April 2022Allow2400NoNo
16868140RETROFIT BOX SYSTEM FOR CLEANING INACCESSIBLE FLOORSMay 2020August 2022Allow2710YesNo
16866654REFILLABLE PENCIL ERASER CASE WITH REASSEMBLED BANDSMay 2020June 2023Allow3711NoNo
16861151ELECTRIC TOILET BRUSHApril 2020December 2022Abandon3110NoNo
16856214DEDUSTING AND CLEANING DEVICE FOR SHOE SOLEApril 2020January 2023Allow3310NoNo
16757115Bristle head cassette comprising a cassette collar and a paint brush including such bristle head cassetteApril 2020July 2022Abandon2710NoNo
16850694CLEANING ASSEMBLY FOR A TUBULAR DRAG CONVEYORApril 2020August 2022Allow2701NoNo
16756124Pipe Oxidation Removal ToolApril 2020April 2022Allow2410NoNo
16846708POWER DRIVEN DUSTER & CLEANER APPARATUSApril 2020December 2021Allow2010NoNo
16846284POOL CLEANING ROBOT HAVING AN INTERFACEApril 2020October 2023Allow4221NoYes
16834003CUTTING TOOL CLEANING ACCESSORYMarch 2020September 2022Allow3021YesNo
16834962PUSH BROOM HEAD AND METHOD OF FABRICATION THEREOFMarch 2020January 2022Allow2120NoNo
16829281Disposable Shower With Integral Liquid Container Pods, Bristles, and Dispensing SystemMarch 2020May 2022Abandon2610NoNo
16824855AUTONOMOUS ALTERNATING-SUCTION ROBOT FOR CLEANING SWIMMING POOLSMarch 2020August 2020Allow500NoNo
16824622HAIR CARE DEVICEMarch 2020July 2022Allow2830NoNo
16819792HANDY TOILET SEAT CLEANERMarch 2020November 2022Abandon3211NoNo
16647156TOOTHBRUSH WITH BUILT-IN STANDMarch 2020October 2020Allow700NoNo
16646997WASHING BRUSH CAPABLE OF WASHING VARIOUSLY SIZED CONTAINERSMarch 2020September 2020Allow600NoNo
16815812VEHICLE WASHER BRUSH PANEL WITH MOLD-INJECTED PARTIALLY EMBEDDED NODULES, CHANNEL WELL DEVICES, AND METHODS FOR MANUFACTURING SAMEMarch 2020December 2022Allow3311NoNo
16815629TOOTHBRUSH WITH FOAM CLEANING COLUMNMarch 2020July 2021Allow1700NoNo
16493792METHOD AND DEVICE FOR CLEANING SEWER PIPELINEMarch 2020March 2023Allow4211NoNo
16811431PIPELINE PIG WRAP AND BATHMarch 2020July 2021Allow1710NoNo
16802997WIRE-CORE APPLICATOR HAVING MULTI-MATERIAL BRISTLESFebruary 2020October 2022Allow3210NoNo
16802085BRUSH HEAD FOR A TOOTHBRUSH AND METHOD FOR PRODUCING THE BRUSH HEADFebruary 2020October 2021Allow2001NoNo
16791867ARTICULATING ASSEMBLIES FOR CLEANING TOOLS AND METHODS OF USEFebruary 2020September 2022Allow3100NoNo
16787895Hot Tub Vacuum Attachment ApparatusFebruary 2020September 2021Allow1910NoNo
16784400Paint Brush and Method of Making the SameFebruary 2020August 2020Allow611NoNo
16782925MASSAGE BROOMFebruary 2020December 2022Abandon3501NoNo
16778750Pipeline Sphere With Tracking DeviceJanuary 2020February 2022Allow2401NoNo
16773523COSMETIC BRUSH FIBER WITH STAR-SHAPED CROSS SECTIONJanuary 2020July 2021Allow1811NoNo
16751657FLOOR TREATMENT APPARATUSJanuary 2020May 2023Abandon4020NoNo
16633380ADJUSTABLE VIBRATION ABSORBER FOR A PERSONAL CARE DEVICEJanuary 2020May 2022Allow2810NoNo
16746840COMBINATION TOILET UNBLOCKING AND CLEANING TOOLJanuary 2020February 2023Allow3701NoNo
16745588TOOTHBRUSH COMPRISING ASYMMETRICALLY ORIENTED TUFTS OF BRISTLESJanuary 2020July 2022Abandon3021NoNo
16743305Oral Care ImplementJanuary 2020July 2021Allow1811NoNo
16631391MOBILE ROBOTJanuary 2020March 2023Allow3810NoNo
16741752FLOOR SWEEPERJanuary 2020March 2022Allow2610NoNo
16740796Brush Head for a Personal Grooming DeviceJanuary 2020June 2021Allow1710YesNo
16737078CLEANING WHEEL STRUCTUREJanuary 2020December 2021Allow2310NoNo
16728077WHEEL ASSEMBLY FOR ROBOTIC CLEANER AND ROBOTIC CLEANER HAVING THE SAMEDecember 2019October 2022Allow3420NoNo
16725107CLEANING ROLLER FOR CLEANING ROBOTSDecember 2019January 2022Allow2421YesNo
16720480Oral Care SystemDecember 2019July 2022Allow3100NoNo
16333131CLEANERDecember 2019September 2022Allow4310NoNo
16622333CLEANING TOOL AND CONTAINMENT SYSTEMDecember 2019September 2021Abandon2210NoNo
16622289SELF-WRINGING FOAM COTTON MOP WITH LABOR-SAVING WRINGING OPERATIONDecember 2019May 2021Allow1710NoNo
16711863PLASTIC CLIP CORE AND ROTARY BRUSHDecember 2019September 2021Allow2201NoNo
16622093FOAM DISPENSING CLEANING TOOLDecember 2019April 2021Allow1600NoNo
16621690AUTOMATIC CONTROL TYPE ELECTRIC TOOTHBRUSHDecember 2019February 2022Allow2610NoNo
16705818BACK SCRUBBER APPARATUS WITH FLUID DISPENSERDecember 2019April 2021Allow1610NoNo
16705525Electric ToothbrushDecember 2019July 2021Allow2010NoNo

Appeals Overview

This analysis examines appeal outcomes and the strategic value of filing appeals for examiner CHIN, RANDALL E.

Patent Trial and Appeal Board (PTAB) Decisions

Total PTAB Decisions
3
Examiner Affirmed
1
(33.3%)
Examiner Reversed
2
(66.7%)
Reversal Percentile
87.7%
Higher than average

What This Means

With a 66.7% reversal rate, the PTAB has reversed the examiner's rejections more often than affirming them. 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
31
Allowed After Appeal Filing
9
(29.0%)
Not Allowed After Appeal Filing
22
(71.0%)
Filing Benefit Percentile
44.9%
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, 29.0% 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.

Examiner CHIN, RANDALL E - Prosecution Strategy Guide

Executive Summary

Examiner CHIN, RANDALL E works in Art Unit 3723 and has examined 1,485 patent applications in our dataset. With an allowance rate of 74.3%, this examiner has a below-average tendency to allow applications. Applications typically reach final disposition in approximately 28 months.

Allowance Patterns

Examiner CHIN, RANDALL E's allowance rate of 74.3% places them in the 40% percentile among all USPTO examiners. This examiner has a below-average tendency to allow applications.

Office Action Patterns

On average, applications examined by CHIN, RANDALL E receive 1.37 office actions before reaching final disposition. This places the examiner in the 18% percentile for office actions issued. This examiner issues significantly fewer office actions than most examiners.

Prosecution Timeline

The median time to disposition (half-life) for applications examined by CHIN, RANDALL E is 28 months. This places the examiner in the 69% percentile for prosecution speed. Prosecution timelines are slightly faster than average with this examiner.

Interview Effectiveness

Conducting an examiner interview provides a +14.7% benefit to allowance rate for applications examined by CHIN, RANDALL E. This interview benefit is in the 53% 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, 34.7% of applications are subsequently allowed. This success rate is in the 78% percentile among all examiners. Strategic Insight: RCEs are highly effective with this examiner compared to others. If you receive a final rejection, filing an RCE with substantive amendments or arguments has a strong likelihood of success.

After-Final Amendment Practice

This examiner enters after-final amendments leading to allowance in 56.7% of cases where such amendments are filed. This entry rate is in the 84% percentile among all examiners. Strategic Recommendation: This examiner is highly receptive to after-final amendments compared to other examiners. Per MPEP § 714.12, after-final amendments may be entered "under justifiable circumstances." Consider filing after-final amendments with a clear showing of allowability rather than immediately filing an RCE, as this examiner frequently enters such amendments.

Pre-Appeal Conference Effectiveness

When applicants request a pre-appeal conference (PAC) with this examiner, 100.0% result in withdrawal of the rejection or reopening of prosecution. This success rate is in the 77% percentile among all examiners. Strategic Recommendation: Pre-appeal conferences are highly effective with this examiner compared to others. Before filing a full appeal brief, strongly consider requesting a PAC. The PAC provides an opportunity for the examiner and supervisory personnel to reconsider the rejection before the case proceeds to the PTAB.

Appeal Withdrawal and Reconsideration

This examiner withdraws rejections or reopens prosecution in 87.0% of appeals filed. This is in the 80% percentile among all examiners. Of these withdrawals, 65.0% occur early in the appeal process (after Notice of Appeal but before Appeal Brief). Strategic Insight: This examiner frequently reconsiders rejections during the appeal process compared to other examiners. Per MPEP § 1207.01, all appeals must go through a mandatory appeal conference. Filing a Notice of Appeal may prompt favorable reconsideration even before you file an Appeal Brief.

Petition Practice

When applicants file petitions regarding this examiner's actions, 61.7% are granted (fully or in part). This grant rate is in the 64% percentile among all examiners. Strategic Note: Petitions show above-average success regarding this examiner's actions. Petitionable matters include restriction requirements (MPEP § 1002.02(c)(2)) and various procedural issues.

Examiner Cooperation and Flexibility

Examiner's Amendments: This examiner makes examiner's amendments in 6.0% of allowed cases (in the 89% percentile). Per MPEP § 1302.04, examiner's amendments are used to place applications in condition for allowance when only minor changes are needed. This examiner frequently uses this tool compared to other examiners, indicating a cooperative approach to getting applications allowed. Strategic Insight: If you are close to allowance but minor claim amendments are needed, this examiner may be willing to make an examiner's amendment rather than requiring another round of prosecution.

Quayle Actions: This examiner issues Ex Parte Quayle actions in 2.0% of allowed cases (in the 70% 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:

  • Consider after-final amendments: This examiner frequently enters after-final amendments. If you can clearly overcome rejections with claim amendments, file an after-final amendment before resorting to an RCE.
  • RCEs are effective: This examiner has a high allowance rate after RCE compared to others. If you receive a final rejection and have substantive amendments or arguments, an RCE is likely to be successful.
  • Request pre-appeal conferences: PACs are highly effective with this examiner. Before filing a full appeal brief, request a PAC to potentially resolve issues without full PTAB review.
  • Appeal filing as negotiation tool: This examiner frequently reconsiders rejections during the appeal process. Filing a Notice of Appeal may prompt favorable reconsideration during the mandatory appeal conference.
  • Examiner cooperation: This examiner frequently makes examiner's amendments to place applications in condition for allowance. If you are close to allowance, the examiner may help finalize the claims.

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.