USPTO Examiner COX CASSANDRA F - Art Unit 2849

Recent Applications

Detailed information about the 100 most recent patent applications.

Application NumberTitleFiling DateDisposal DateDispositionTime (months)Office ActionsRestrictionsInterviewAppeal
18872941SUPERCONDUCTING QUANTUM CIRCUITDecember 2024March 2026Allow1500NoNo
18968228DIGITAL PHASE INTERPOLATORDecember 2024February 2026Allow1500NoNo
18953586WIRELESS POWER TRANSMISSION DEVICENovember 2024March 2026Allow1600NoNo
18818909GATE DRIVING CIRCUIT WITH SWITCHED-CAPACITOR CIRCUIT TO GENERATE NEGATIVE GATE-SOURCE VOLTAGE PULSESAugust 2024February 2026Allow1700NoNo
18808447QUANTIZATION ERROR AND SPUR MITIGATION IN A DIGITAL PHASE-LOCKED LOOPAugust 2024November 2025Allow1500NoNo
18802876IMPLEMENTING A LOW POWER TOPOLOGY IN A CLOCKED LATCHAugust 2024February 2026Allow1800NoNo
18775547APPARATUSES AND METHODS FOR DELAY-LOCKED LOOP CLOCK CONTROLJuly 2024February 2026Allow1900NoNo
18775622TIME INTERLEAVING CIRCUIT HAVING GLITCH MITIGATIONJuly 2024February 2026Allow1900NoNo
18767995PROGRAMMABLE CIRCUIT, INTEGRATED CIRCUIT, AND ELECTRONIC DEVICEJuly 2024March 2026Allow2010NoNo
18767308METHOD FOR MEASURING STATES OF TIME-BIN QUBITS IN A QUANTUM CRYPTOGRAPHY KEY DISTRIBUTION SYSTEM USING A TIME-TO-DIGITAL CONVERTER AND A SYSTEM FOR THE SAMEJuly 2024January 2025Allow600NoNo
18760191SIGNAL RECEIVING CIRCUIT, SIGNAL RECEIVING DEVICE, AND METHOD OF RECOVERING CLOCK OF RECEIVED SIGNALJuly 2024February 2025Allow810NoNo
18757524DUTY CYCLE CORRECTION CIRCUITJune 2024January 2026Allow1910NoNo
18747358SEMICONDUCTOR SYSTEM AND METHOD FOR OPERATING THE SAMEJune 2024February 2026Allow2010NoNo
18734731INTEGRATED TRANSCEIVER CIRCUITJune 2024December 2025Allow1910NoNo
18733480CIRCUITS AND METHODS FOR GATE OVERDRIVE IN GAN POWER STAGESJune 2024January 2026Allow2000NoNo
18678075PULSE WIDTH DISTORTION CORRECTIONMay 2024January 2025Allow700NoNo
18669014CLOCK DATA RECOVERY CIRCUIT OF DISPLAY AND CLOCK RECOVERY CIRCUIT THEREOFMay 2024January 2025Allow800NoNo
18667638Utility Energy Cloud ExchangeMay 2024September 2025Allow1610NoNo
18665365CONTINUOUS ADAPTIVE DATA CAPTURE OPTIMIZATION FOR INTERFACE CIRCUITSMay 2024November 2024Allow610NoNo
18645583DUTY CYCLE CORRECTOR, SEMICONDUCTOR DEVICE INCLUDING THE SAME, AND OPERATING METHOD OF DUTY CYCLE CORRECTORApril 2024January 2026Allow2110NoNo
18633959FREEZE ENABLED SWING LEVEL SHIFTERApril 2024October 2025Allow1800NoNo
18631798DUTY CYCLE CALIBRATION CIRCUIT, CORRESPONDING TRANSMITTER, COMMUNICATION SYSTEM AND METHODApril 2024August 2025Allow1600NoNo
18631738SYSTEM AND METHOD FOR GENERATING A PLURALITY OF CONTROL SIGNALS IN MULTI-DIE SYSTEMSApril 2024October 2025Allow1800NoNo
18630492RF AND MICROWAVE PHASE SHIFTERSApril 2024August 2025Allow1600NoNo
18699312HIGH-SIDE DRIVER CIRCUITApril 2024July 2025Allow1500NoNo
18699191Power Converters Using Precise Timing ControlApril 2024September 2025Allow1700NoNo
18624648SEMICONDUCTOR DEVICE HAVING DUTY-CYCLE CORRECTORApril 2024November 2024Allow800NoNo
18623657SELF-CALIBRATION OF DELAY CIRCUITS IN ASYNCHRONOUS LOOPSApril 2024July 2025Allow1500NoNo
18619864METHOD AND APPARATUS FOR DELIVERING POWER TO SEMICONDUCTORSMarch 2024September 2024Allow600NoNo
18616951FREQUENCY OFFSET OF A CLOCK SIGNALMarch 2024September 2025Allow1810NoNo
18609073SEMICONDUCTOR DEVICE PERFORMING CLOCK GATING AND OPERATING METHOD THEREOFMarch 2024January 2026Allow2210YesNo
18608737DUTY-CYCLE CORRECTOR PHASE SHIFT CIRCUITMarch 2024April 2025Allow1310NoNo
18602043REFERENCE NOISE CANCELLATION DEVICE AND REFERENCE NOISE CANCELLATION METHOD FOR TRANSIENT ELECTROMAGNETIC FIELDMarch 2024June 2025Allow1600NoNo
18602754DELAY LINE CALIBRATION BASED ON DERIVED REFERENCE SIGNALSMarch 2024October 2025Allow1910YesNo
18601440INTERFACE SYSTEMMarch 2024October 2024Allow700NoNo
18598114DUTY RATIO CORRECTION CIRCUIT, CLOCK DISTRIBUTION SYSTEM, AND DUTY RATIO CORRECTION METHODMarch 2024November 2025Allow2010NoNo
18597637PHASE MIXER CIRCUIT, A PHASE MIXING METHOD, AND A CLOCK GENERATION CIRCUIT AND A SEMICONDUCTOR APPARATUSMarch 2024December 2025Allow2210YesNo
18597351DUTY COMPENSATION SCHEMEMarch 2024June 2025Allow1600NoNo
18581132PULSE GENERATOR AND METHODFebruary 2024May 2025Allow1500NoNo
18434327DIGITAL DROOP DETECTORFebruary 2024March 2025Allow1310NoNo
18419096TIMING MARGIN SENSORJanuary 2024October 2025Allow2010NoNo
18578686DELAY-ADJUSTED DIGITAL-UNIT INTERFACEJanuary 2024September 2025Allow2000NoNo
18391096PROGRAMMABLE SELF-BIASING INVERTER FOR CORRECTING DUTY CYCLE DISTORTIONDecember 2023July 2025Allow1910NoNo
18541152DATA CARRIER APPARATUS, COMMUNICATION SYSTEM, AND REPLACEABLE UNITDecember 2023February 2026Allow2600NoNo
18538515CLOCK PHASE CONVERTER AND PHASE CONVERTING METHODDecember 2023May 2025Allow1700NoNo
18538446RADIO FREQUENCY SWITCH CIRCUITDecember 2023May 2025Allow1700NoNo
18537583LOCK-UP LATCH FOR DUAL-EDGE-TRIGGERED FLIP-FLOPSDecember 2023October 2025Allow2210NoNo
18535502METHOD AND APPARATUS FOR DELIVERING POWER TO SEMICONDUCTORSDecember 2023September 2024Allow900NoNo
18566562OFFSET DETECTIONDecember 2023May 2025Allow1800YesNo
18526226DELAY-LOCKED LOOP CIRCUIT AND METHODDecember 2023August 2024Allow900NoNo
18524364SIGNAL CONVERSION DEVICE AND CIRCUIT SYSTEM USING THE SAMENovember 2023April 2025Allow1600NoNo
18525334METHODS AND APPARATUS TO DETERMINE A FREQUENCY OF A SIGNALNovember 2023December 2025Allow2510NoNo
18525835ARRAY SUBSTRATE AND METHOD OF MANUFACTURING THE SAME, PIXEL DRIVING METHOD, AND DISPLAY PANELNovember 2023April 2025Allow1610NoNo
18520248Calibration Method and Calibration Apparatus for Delay of Quantum Computer SystemNovember 2023February 2024Allow300NoNo
18510696CIRCUIT AND METHOD FOR DUTY CYCLE ADJUSTMENTNovember 2023March 2025Allow1600NoNo
18506337POWER TRANSFER OVER AN ISOLATED CAPACITIVE BARRIER WITH CONTROLLED CURRENTNovember 2023September 2025Allow2330NoNo
18505876CLOCK DOUBLER, A CLOCK GENERATING DEVICE AND A SEMICONDUCTOR SYSTEM USING THE SAMENovember 2023February 2026Allow2700NoNo
18503227LOW-NOISE SPEEDY DUTY CYCLE DETECTOR AND METHOD THEREOFNovember 2023March 2025Allow1700NoNo
18501517PHASE CORRECTION CIRCUIT, AND CLOCK BUFFER AND SEMICONDUCTOR APPARATUS INCLUDING THE SAMENovember 2023January 2025Allow1410NoNo
18495774SIGNAL TRANSMISSION DEVICE, METHOD, AND TIME-OF-FLIGHT DISTANCE MEASURING DEVICE CAPABLE OF ACCURATELY MAINTAINING DELAY AMOUNT OF DELAY UNITOctober 2023September 2025Allow2310NoNo
18486945ELECTRONIC CURRENT CONTROL AND MONITORINGOctober 2023September 2025Allow2310NoNo
18475216ISOLATION TRANSFORMER, ISOLATION MODULE, AND GATE DRIVERSeptember 2023September 2025Allow2410NoNo
18473299COMPARATOR TESTING CIRCUIT AND TESTING METHOD THEREOFSeptember 2023March 2025Allow1700NoNo
18371622CIRCUIT AND METHOD FOR CONTROLLING A TRANSISTORSeptember 2023May 2025Allow2000NoNo
18243635HIGH FREQUENCY SEMICONDUCTOR INTEGRATED CIRCUITSeptember 2023February 2025Allow1800NoNo
18462482FREQUENCY SELECTIVE LIMITER HAVING REDUCED SPIKE LEAKAGESeptember 2023October 2024Allow1310NoNo
18549067DELAY ADJUSTMENT CIRCUIT AND DISTANCE MEASURING DEVICESeptember 2023February 2025Allow1700NoNo
18239450CLOCK SIGNAL SYNCHRONIZATION CIRCUIT, SEMICONDUCTOR MEMORY DEVICE INCLUDING CLOCK SIGNAL SYNCHRONIZATION CIRCUIT, AND METHOD OF OPERATING CLOCK SIGNAL SYNCHRONIZATION CIRCUITAugust 2023July 2025Allow2310YesNo
18236404ALL-DIGITAL DUTY CYCLE CORRECTOR AND METHOD FOR CORRECTING DUTY CYCLE OF OUTPUT CLOCKAugust 2023May 2025Allow2110NoNo
18450453BUFFER WITH REDUCED SHOOT-THROUGH CURRENTAugust 2023July 2025Allow2310NoNo
18450654CLOCK GENERATION CIRCUIT AND SEMICONDUCTOR APPARATUS USING THE CLOCK GENERATION CIRCUITAugust 2023April 2024Allow800NoNo
18234346PHASE ERROR COMPENSATION CIRCUIT AND METHOD FOR COMPENSATING PHASE ERROR BETWEEN REFERENCE CLOCK AND FEEDBACK CLOCKAugust 2023August 2025Allow2410NoNo
18233556LOW POWER PHASE INTERPOLATOR WITH DUTY CYCLE CORRECTIONAugust 2023March 2025Allow1910YesNo
18364225JITTER CANCELLATION CIRCUITAugust 2023April 2025Allow2010NoNo
18225463SIGNAL GENERATING CIRCUIT AND SIGNAL GENERATING METHODJuly 2023October 2024Allow1400NoNo
18223101DUTY CYCLE MONITORING METHOD AND APPARATUS FOR MEMORY INTERFACEJuly 2023September 2024Allow1400NoNo
18222873MULTIPLE STAGE FUSE CIRCUITRY FOR COUNTING FAILURE EVENTSJuly 2023December 2024Allow1800NoNo
18352286SYSTEM FOR SIGNAL PROPAGATION AND METHOD OF OPERATING THE SAMEJuly 2023October 2024Allow1510NoNo
18351902PHASE INTERPOLATOR CIRCUIT, RECEPTION CIRCUIT, AND SEMICONDUCTOR INTEGRATED CIRCUITJuly 2023February 2025Allow2010NoNo
18350346SYSTEM AND METHOD HAVING A SWITCHING CONVERTER AND SELF-SWITCHED CHARGE PUMP CONFIGURATIONJuly 2023March 2025Allow2100NoNo
18350380CONTROL CIRCUIT FOR A SWITCHING STAGE OF AN ELECTRONIC CONVERTER AND CORRESPONDING CONVERTER DEVICEJuly 2023March 2025Allow2100YesNo
18350606SEMICONDUCTOR DEVICEJuly 2023March 2025Allow2010YesNo
18347244CAPACITIVE BATCH COUNTING TO SUPPORT ONE-WAY TIME-OF-FLIGHT OR OTHER OPERATIONSJuly 2023March 2025Allow2100NoNo
18344282SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTUREJune 2023June 2024Allow1210NoNo
18259653SWITCH DEVICEJune 2023October 2024Allow1500NoNo
18343435SEMICONDUCTOR DEVICE AND METHOD FOR CONTROLLING THE SAMEJune 2023February 2025Allow2010NoNo
18340239SHARED PHASE SHIFTER RADIO ARCHITECTUREJune 2023February 2026Allow3210NoNo
18338685ATTENUATOR USING VARIABLE RESISTORSJune 2023May 2025Allow2320NoNo
18336967VOLTAGE DROOP MONITOR AND VOLTAGE DROOP MONITORING METHODJune 2023July 2024Allow1210NoNo
18336185WIRELESS POWER TRANSMISSION DEVICEJune 2023July 2024Allow1310NoNo
18209083CONTINUOUS ADAPTIVE DATA CAPTURE OPTIMIZATION FOR INTERFACE CIRCUITSJune 2023April 2024Allow1000NoNo
18332042SYSTEM AND METHOD FOR CONTROLLING TUNING IN ELECTRONIC CIRCUITRIESJune 2023September 2024Allow1600NoNo
18206093DEVICE FOR CORRECTING DUTY CYCLE AND METHOD FOR CORRECTING DUTY CYCLEJune 2023August 2024Allow1400NoNo
18198797CLOCK SYNTHESIZER WITH DUAL CONTROLMay 2023August 2024Allow1500NoNo
18317190TECHNIQUE FOR CLOCK ALIGNMENT SUPPORTING RESET ISOLATIONMay 2023April 2024Allow1110NoNo
18196253CLOCK DRIVER WITH DUTY CYCLE CORRECTIONMay 2023September 2024Allow1600NoNo
18312317QUADRATURE DUTY CYCLE CORRECTION CIRCUITMay 2023September 2025Allow2820NoNo
18308479SYSTEMS FOR AND METHODS OF CLOCK FREQUENCY MONITORINGApril 2023March 2025Allow2300NoNo
18308491SWITCH OFF STATE ISOLATIONApril 2023April 2025Allow2320NoNo
18307475SEMICONDUCTOR DEVICEApril 2023December 2024Allow2010NoNo

Appeals Overview

No appeal data available for this record. This may indicate that no appeals have been filed or decided for applications in this dataset.

Examiner COX, CASSANDRA F - Prosecution Strategy Guide

Executive Summary

Examiner COX, CASSANDRA F works in Art Unit 2849 and has examined 304 patent applications in our dataset. With an allowance rate of 99.0%, this examiner allows applications at a higher rate than most examiners at the USPTO. Applications typically reach final disposition in approximately 15 months.

Allowance Patterns

Examiner COX, CASSANDRA F's allowance rate of 99.0% places them in the 93% percentile among all USPTO examiners. This examiner is more likely to allow applications than most examiners at the USPTO.

Office Action Patterns

On average, applications examined by COX, CASSANDRA F receive 0.66 office actions before reaching final disposition. This places the examiner in the 4% 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 COX, CASSANDRA F is 15 months. This places the examiner in the 99% percentile for prosecution speed. Applications move through prosecution relatively quickly with this examiner.

Interview Effectiveness

Conducting an examiner interview provides a +1.1% benefit to allowance rate for applications examined by COX, CASSANDRA F. This interview benefit is in the 19% percentile among all examiners. Note: Interviews show limited statistical benefit with this examiner compared to others, though they may still be valuable for clarifying issues.

Request for Continued Examination (RCE) Effectiveness

When applicants file an RCE with this examiner, 41.7% of applications are subsequently allowed. This success rate is in the 93% 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 100.0% of cases where such amendments are filed. This entry rate is in the 99% 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.

Petition Practice

When applicants file petitions regarding this examiner's actions, 33.3% are granted (fully or in part). This grant rate is in the 21% 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 4.6% of allowed cases (in the 85% 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 6.0% of allowed cases (in the 83% percentile). Per MPEP § 714.14, a Quayle action indicates that all claims are allowable but formal matters remain. This examiner frequently uses Quayle actions compared to other examiners, which is a positive indicator that once substantive issues are resolved, allowance follows quickly.

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.
  • 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.