USPTO Examiner RIVERA PEREZ CARLOS O - Art Unit 2838

Recent Applications

Detailed information about the 100 most recent patent applications.

Application NumberTitleFiling DateDisposal DateDispositionTime (months)Office ActionsRestrictionsInterviewAppeal
17132407CARRIER FOR MICROELECTRONIC ASSEMBLIES HAVING DIRECT BONDINGDecember 2020March 2025Abandon5120NoNo
16988379CONTROL DEVICE FOR A SWITCHING VOLTAGE REGULATOR AND CONTROL METHODAugust 2020September 2024Allow5050NoNo
16330723DC-DC CONVERTER AND TWO-STAGE POWER CONVERTER INCLUDING THE SAMEMarch 2019March 2020Abandon1310NoNo
16166471COMPARATOR CIRCUIT, POWER SUPPLY CONTROL IC, AND SWITCHING POWER SUPPLY DEVICEOctober 2018July 2019Allow900NoNo
16106340METHOD AND APPARATUS FOR REGULATING THE VOLTAGE OF A TRANSFORMER SYSTEMAugust 2018October 2019Allow1410NoNo
16100455ISOLATED SYNCHRONOUS RECTIFICATION-TYPE DC/DC CONVERTERAugust 2018February 2020Abandon1920NoNo
16016805AUXILIARY POWER SUPPLY FOR SWITCH-MODE POWER SUPPLIESJune 2018September 2019Allow1520YesNo
15944833VOLTAGE CONVERSION AND CHARGING FROM LOW BIPOLAR INPUT VOLTAGEApril 2018September 2019Allow1720YesYes
15889683PHASE ADJUSTING CIRCUIT, INVERTER CIRCUIT, AND POWER SUPPLY SYSTEMFebruary 2018June 2019Allow1620NoNo
15859005ISOLATED DC-DC CONVERTERDecember 2017November 2019Allow2220YesYes
15859145ISOLATED DC-DC CONVERTERDecember 2017November 2019Allow2330YesNo
15735987POWER CONVERTERDecember 2017November 2019Allow2330YesNo
15831213SINGLE STAGE SWITCHING POWER CONVERTER WITH IMPROVED PRIMARY ONLY FEEDBACKDecember 2017March 2018Allow300NoNo
15817445Power Supply Switch with Programmable Switching DecisionNovember 2017August 2019Allow2020YesNo
15805145VOLTAGE REGULATOR WITH PERFORMANCE COMPENSATIONNovember 2017May 2019Allow1810NoNo
15805645METHOD FOR CONTROLLING AT LEAST TWO THREE-PHASE POWER CONVERTERS WITH ASYNCHRONOUS PULSE-WIDTH MODULATIONNovember 2017June 2019Allow2010NoNo
15782235METHODS AND SYSTEM FOR OPERATING A VARIABLE VOLTAGE CONTROLLEROctober 2017January 2020Allow2740YesNo
15721985ANALOG ASSISTED DIGITAL SWITCH REGULATOROctober 2017February 2019Allow1640NoNo
15714935BANDGAP WITH SYSTEM SLEEP MODESeptember 2017August 2019Allow2330YesNo
15558885POWER CONVERTER CONTROL DEVICESeptember 2017March 2018Allow600NoNo
15706135CIRCUIT FOR CONTROLLING A POWER SUPPLY AND METHOD OF OPERATION THEREOFSeptember 2017November 2019Abandon2621NoNo
15694135SCALABLE UNIVERSAL SPACE VECTOR PULSE WIDTH MODULATION SCHEME FOR MULTILEVEL INVERTERSSeptember 2017September 2019Allow2520YesNo
15679203SEMICONDUCTOR DEVICEAugust 2017September 2019Allow2530YesNo
15676445CLAMP VOLTAGE DETECTION AND OVER-VOLTAGE PROTECTION FOR POWER SUPPLY TOPOLOGIESAugust 2017September 2018Allow1310YesNo
15640709SYNCHRONOUS RECTIFICATION CIRCUIT AND SWITCHING POWER SUPPLY THEREOFJuly 2017January 2019Allow1820YesNo
15605322DUAL INDEPENDENT OUTPUT LLC CONVERTER CONTROLMay 2017May 2019Allow2420NoNo
15529795METHOD AND DEVICE FOR OPERATING POWER SEMICONDUCTOR SWITCHES CONNECTED IN PARALLELMay 2017July 2018Abandon1410NoNo
15600835POWER SUPPLY CIRCUITMay 2017August 2018Allow1520YesNo
15589555Systems and Methods for DC-to-DC Converter ControlMay 2017October 2018Allow1721YesNo
15585399CURRENT MODE SWITCHING REGULATOR AND OPERATING METHOD WITH OFFSET CIRCUITRY TO EMULATE A TRANSIENT LOAD STEP RESPONSEMay 2017September 2019Allow2840YesNo
15521113DC-DC CONVERTERApril 2017October 2018Abandon1710NoNo
15492082SWITCHING REGULATOR AND CONTROLLER THEREOFApril 2017December 2018Abandon1920NoNo
15486992POWER MANAGEMENT UTILIZING A BLOCKER STAGEApril 2017February 2020Abandon3440YesNo
15486467INVERTER AND CONTROL METHOD THEREOFApril 2017September 2018Allow1710NoNo
15482835POWER SUPPLY DEVICE, IMAGE FORMING APPARATUS, AND OUTPUT CONTROL METHODApril 2017May 2019Allow2530NoNo
15474045DISCHARGING METHOD OF BUS CAPACITOR, CONTROLLER, DC-DC CONVERTER AND INVERTERMarch 2017January 2019Allow2230NoNo
15452173CONTROL DEVICE OF A SWITCHING POWER SUPPLYMarch 2017June 2019Allow2731YesNo
15452215Multiphase Regulator with Phase Current TestingMarch 2017May 2019Allow2621YesNo
15451941Multiphase Regulator with Current Pattern MatchingMarch 2017April 2019Allow2521YesYes
15439353AN APPARATUS FOR PRODUCING UNVARYING DIRECT LOAD CURRENTFebruary 2017April 2018Allow1310NoNo
15423335SINGLE STAGE SWITCHING POWER CONVERTER WITH IMPROVED PRIMARY ONLY FEEDBACKFebruary 2017July 2017Allow600NoNo
15387789AUXILIARY POWER SUPPLY FOR SWITCH-MODE POWER SUPPLIESDecember 2016February 2018Allow1410YesNo
15319445SWITCHING OUTPUT CIRCUITDecember 2016April 2019Allow2820NoNo
15378945RECTIFIER DEVICEDecember 2016April 2019Abandon2820YesNo
15351645MODIFIABLE DC-DC POWER CONVERTERS FOR PROVIDING DIFFERENT OUTPUT VOLTAGESNovember 2016June 2019Allow3140NoNo
15310445APPARATUS FOR PRODUCING UNVARYING DIRECT LOAD CURRENTNovember 2016August 2019Allow3330YesNo
15336335Two-Path Symmetrical-Output Adjustable Power SupplyOctober 2016December 2018Allow2520NoNo
15129945POWER CONVERSION DEVICESeptember 2016May 2018Allow2020NoNo
15264541VIRTUAL IMPEDANCE COMPREHENSIVE CONTROL METHOD FOR INDUCTIVE POWER FILTERING SYSTEMSeptember 2016August 2018Allow2410NoNo
15264397SYSTEMS AND METHODS FOR REDUCING SWITCHING LOSS IN POWER CONVERSION SYSTEMSSeptember 2016March 2018Allow1810NoNo
15119477CONVERTER FOR AN AC SYSTEMAugust 2016September 2018Allow2420YesNo
15213745POWER SUPPLY CONVERTERJuly 2016May 2018Abandon2120NoNo
15107362AUTOMATIC MATCHING CIRCUIT FOR HIGH FREQUENCY RECTIFICATION CIRCUITJune 2016May 2018Abandon2320NoNo
15180881PULSE WIDTH MODULATOR FOR DC/DC CONVERTERSJune 2016January 2018Allow2010NoNo
15039145RECTIFYING CIRCUIT FOR HIGH-FREQUENCY POWER SUPPLYMay 2016June 2018Abandon2520NoNo
15034436RECTIFYING CIRCUIT FOR HIGH-FREQUENCY POWER SUPPLYMay 2016September 2019Abandon4040YesNo
15094245COMPARATOR CIRCUIT, POWER SUPPLY CONTROL IC, AND SWITCHING POWER SUPPLY DEVICEApril 2016July 2018Allow2710NoNo
15084345ULTRASONIC CONTROL SYSTEM AND METHOD FOR A BUCK-BOOST POWER CONVERTERMarch 2016July 2018Allow2810NoNo
15059445INSULATED SYNCHRONOUS RECTIFICATION DC/DC CONVERTERMarch 2016May 2018Allow2610NoNo
14916345ELECTRIC POWER CONVERSION DEVICEMarch 2016September 2018Allow3120YesNo
15058635SWITCHING INTERFERENCE SUPPRESSION IN MOTOR DRIVING CIRCUITS USING SPACE VECTOR PULSE WIDTH MODULATION (PWM)March 2016December 2016Allow911YesNo
15057522ISOLATED DC/DC CONVERTER, FEEDBACK CIRCUIT THEREOF, POWER SUPPLY DEVICE, POWER SUPPLY ADAPTOR, AND ELECTRONIC DEVICE USING THE SAMEMarch 2016December 2018Abandon3440NoNo
15054892Switched power converter with dual mode PWM / COT controlFebruary 2016March 2018Abandon2420NoNo
15013345VOLTAGE REGULATORFebruary 2016May 2017Allow1510NoNo
15001945INDEPENDENT POWER FACTOR AND FREQUENCY CONTROL OF ELECTRICAL POWER GENERATORJanuary 2016June 2019Allow4150YesNo
14989645POWER SUPPLY REJECTION FOR VOLTAGE REGULATORS USING A PASSIVE FEED-FORWARD NETWORKJanuary 2016August 2017Allow1920NoNo
14903245METHODS AND DEVICES FOR POWER COMPENSATIONJanuary 2016September 2017Allow2020NoYes
14987735SCHEME FOR AUTOMATICALLY SEARCHING OPTIMAL PHASE SHEDDING THRESHOLD FOR VOLTAGE CONVERTER HAVING MULTI-PHASE OUTPUT STAGE CIRCUITJanuary 2016March 2018Allow2610YesNo
14757466Semiconductor power module and power conversion apparatus using the sameDecember 2015April 2019Allow3911NoNo
14757802DIGITALLY CONTROLLED ZERO VOLTAGE SWITCHINGDecember 2015May 2018Allow2920YesNo
14975138BOOST CONVERTER MAXIMAL OUTPUT POWER DETECTOR ALLOWING OPTIMAL DYNAMIC DUTY-CYCLE LIMITATIONDecember 2015November 2017Allow2310YesNo
14954747Forward Converter with Self-Driven BJT Synchronous RectifierNovember 2015December 2019Allow4810YesNo
14890835PWM CALCULATION AFTER LIGHT LOAD TO HIGH LOAD TRANSITIONNovember 2015November 2017Allow2420NoNo
14889285MULTI-MODE CONTROLLED POWER CONVERTERNovember 2015November 2017Allow2420NoNo
14932845POWER SUPPLY AND POWER CONTROL METHOD THEREOFNovember 2015February 2019Allow3930YesNo
14874245SINGLE-PHASE PHOTOVOLTAIC INVERTEROctober 2015October 2017Allow2510NoNo
14864545SYSTEM AND METHOD FOR EXTENDING THE MAXIMUM DUTY CYCLE OF A STEP-DOWN SWITCHING CONVERTER WITHOUT MAXIMUM DUTY CONTROLSeptember 2015April 2019Allow4341YesNo
14843135POWER CONVERTERSeptember 2015October 2017Abandon2510NoNo
14771845Electric Power Conversion DeviceSeptember 2015December 2017Allow2720YesNo
14822035Systems and Methods for DC-to-DC Converter ControlAugust 2015May 2017Abandon2210NoNo
14821335SELF-DRIVEN SYNCHRONOUS RECTIFIER CIRCUITAugust 2015January 2017Allow1810YesNo
14814966INSULATION-TYPE SYNCHRONOUS DC/DC CONVERTERJuly 2015December 2017Allow2820NoNo
14804536REFERENCE VOLTAGE CIRCUITJuly 2015October 2016Allow1500NoNo
14646935ELECTRIC POWER CONVERTERMay 2015February 2018Allow3230NoNo
14712897WIRELESS POWER TRANSMISSION DEVICEMay 2015August 2018Abandon3941NoNo
14687935BUCK-BOOST CONVERTER AND OPERATING METHODApril 2015August 2017Allow2820NoNo
14657545ANALOG ASSISTED DIGITAL SWITCH REGULATORMarch 2015August 2017Allow2940NoNo
14631845INVERTING APPARATUSFebruary 2015August 2018Abandon4140NoNo
14632345Linear Voltage Regulator Utilizing a Large Range of Bypass-CapacitanceFebruary 2015March 2017Allow2410YesNo
14629535PEAK POWER LIMITATION AND OVERPOWER PROTECTION FOR SWITCHED-MODE POWER SUPPLIESFebruary 2015February 2017Allow2410NoNo
14619737Integrated Power Supply And Modulator For Radio Frequency Power AmplifiersFebruary 2015July 2017Allow2920YesNo
14613235DIODE CIRCUIT AND POWER FACTOR CORRECTION BOOST CONVERTER USING THE SAMEFebruary 2015November 2016Allow2120NoNo
14595545SWITCHED MODE POWER SUPPLIESJanuary 2015December 2016Allow2330NoNo
14593856LOW DROPOUT CIRCUIT CAPABLE OF CONTROLLED STARTUP AND METHOD OF CONTROLLING SAMEJanuary 2015September 2017Abandon3230NoNo
14571253POWER CONVERSION DEVICE, ISOLATED DRIVING CIRCUIT, AND ISOLATED DRIVING METHODDecember 2014March 2018Abandon3910NoNo
14559329SWITCHING SHUNT REGULATOR CIRCUITSDecember 2014April 2018Allow4040YesNo
14537715FEEDING APPARATUS AND FEEDING METHODNovember 2014March 2017Abandon2910NoNo
14528025POWER SWITCHING VOLTAGE REGULATOROctober 2014May 2017Allow3020YesNo
14523745MAGNETIZATION BALANCING METHODOctober 2014June 2019Abandon5650NoNo
14521825SYNCHRONOUS RECTIFICATION CIRCUIT ADAPTED TO ELECTRONIC TRANSFORMER AND SWITCHING POWER SUPPLY THEREOFOctober 2014March 2017Allow2920YesNo

Appeals Overview

This analysis examines appeal outcomes and the strategic value of filing appeals for examiner RIVERA-PEREZ, CARLOS O.

Patent Trial and Appeal Board (PTAB) Decisions

Total PTAB Decisions
4
Examiner Affirmed
0
(0.0%)
Examiner Reversed
4
(100.0%)
Reversal Percentile
95.1%
Higher than average

What This Means

With a 100.0% 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
18
Allowed After Appeal Filing
9
(50.0%)
Not Allowed After Appeal Filing
9
(50.0%)
Filing Benefit Percentile
80.3%
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, 50.0% of applications that filed an appeal were subsequently allowed. This appeal filing benefit rate is in the top 25% across the USPTO, indicating that filing appeals is particularly effective here. The act of filing often prompts favorable reconsideration during the mandatory appeal conference.

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 RIVERA-PEREZ, CARLOS O - Prosecution Strategy Guide

Executive Summary

Examiner RIVERA-PEREZ, CARLOS O works in Art Unit 2838 and has examined 265 patent applications in our dataset. With an allowance rate of 63.0%, this examiner allows applications at a lower rate than most examiners at the USPTO. Applications typically reach final disposition in approximately 29 months.

Allowance Patterns

Examiner RIVERA-PEREZ, CARLOS O's allowance rate of 63.0% places them in the 25% percentile among all USPTO examiners. This examiner is less likely to allow applications than most examiners at the USPTO.

Office Action Patterns

On average, applications examined by RIVERA-PEREZ, CARLOS O receive 2.35 office actions before reaching final disposition. This places the examiner in the 63% 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 RIVERA-PEREZ, CARLOS O is 29 months. This places the examiner in the 64% percentile for prosecution speed. Prosecution timelines are slightly faster than average with this examiner.

Interview Effectiveness

Conducting an examiner interview provides a +22.2% benefit to allowance rate for applications examined by RIVERA-PEREZ, CARLOS O. This interview benefit is in the 66% 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, 23.9% of applications are subsequently allowed. This success rate is in the 37% 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 27.2% of cases where such amendments are filed. This entry rate is in the 39% 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, 42.9% result in withdrawal of the rejection or reopening of prosecution. This success rate is in the 40% 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 69% percentile among all examiners. Of these withdrawals, 50.0% 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, 82.4% are granted (fully or in part). This grant rate is in the 85% percentile among all examiners. Strategic Note: Petitions are frequently granted regarding this examiner's actions compared to other examiners. Per MPEP § 1002.02(c), various examiner actions are petitionable to the Technology Center Director, including prematureness of final rejection, refusal to enter amendments, and requirement for information. If you believe an examiner action is improper, consider filing a petition.

Examiner Cooperation and Flexibility

Examiner's Amendments: This examiner makes examiner's amendments in 0.0% of allowed cases (in the 25% 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 2.4% of allowed cases (in the 72% 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:

  • Prepare for rigorous examination: With a below-average allowance rate, ensure your application has strong written description and enablement support. Consider filing a continuation if you need to add new matter.

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.