USPTO Examiner LU XUAN - Art Unit 2473

Recent Applications

Detailed information about the 100 most recent patent applications.

Application NumberTitleFiling DateDisposal DateDispositionTime (months)Office ActionsRestrictionsInterviewAppeal
18662054BEAMFORMING IN MULTICAST COMMUNICATIONSMay 2024March 2025Allow1020YesNo
18626144DISTRIBUTED TRANSMISSION OF SHORT TRAINING FIELDSApril 2024April 2025Allow1300NoNo
18283331METHOD, DEVICE AND SYSTEM FOR CONFIGURING COMMUNICATION LINK USED FOR EXCHANGING DATA RELATED TO COOPERATIVE CONTROL ALGORITHMSeptember 2023February 2026Allow2800YesNo
18224261SYSTEM AND METHOD FOR STREAMLINED DATA PACKET COMMUNICATION AND POLLING SYSTEM FOR WIRELESS INPUT/OUTPUT (IO) DEVICESJuly 2023October 2025Allow2700YesNo
18261805SUPPLEMENTAL RECONFIGURABLE INTELLIGENT SURFACES FOR DOWNLINK COMMUNICATIONJuly 2023February 2026Allow3110NoNo
18260749USER EQUIPMENT CAPABILITY INDICATION FOR RECONFIGURABLE INTELLIGENT SURFACE AIDED POSITIONINGJuly 2023February 2026Allow3210NoNo
18260483DISTRIBUTED ANTENNA SYSTEM, WIRELESS COMMUNICATION METHOD, AND CENTRALIZED STATIONJuly 2023September 2025Allow2600YesNo
18199457SOUNDING REFERENCE SIGNAL (SRS) ENHANCEMENT FOR MULTI-TRANSMISSION AND RECEPTION POINT (TRP) OPERATIONMay 2023January 2026Allow3210NoNo
18033260COMMUNICATION METHOD FOR WIRELESS MODE SWITCHING, ELECTRONIC DEVICE AND STORAGE MEDIUMApril 2023December 2025Allow3210NoNo
18304112METHOD AND APPARATUS FOR MANAGING DATA SESSION IN WIRELESS COMMUNICATION SYSTEMApril 2023November 2025Allow3110NoNo
18032368METHOD AND APPARATUS FOR DETERMINING DATA PROCESSING DURATION, COMMUNICATION DEVICE AND STORAGE MEDIUMApril 2023December 2025Allow3210NoNo
18134315SYSTEM AND METHOD FOR REFERENCE SIGNALING DESIGN AND CONFIGURATIONApril 2023March 2026Allow3520YesNo
18029905METHODS FOR DYNAMIC ALLOCATION OF ONE OR MORE SYNCHRONIZATION SIGNAL BLOCKS, A RELATED NETWORK NODE AND A RELATED WIRELESS DEVICEApril 2023January 2026Abandon3410NoNo
18192068MODULATION AND CODING SCHEME MCS SELECTION METHOD AND COMMUNICATION APPARATUSMarch 2023November 2025Allow3110NoNo
18109640DEVICE AND METHOD FOR TRANSMITTING AND RECEIVING CONTROL INFORMATION AND DATA IN COMMUNICATION SYSTEMFebruary 2023August 2025Allow3001NoNo
18107646Handover for Synchronization of Data FlowsFebruary 2023November 2025Allow3310NoNo
18161776QCL INDICATION METHOD AND RELATED DEVICEJanuary 2023June 2025Allow2910NoNo
18102522SYSTEMS AND METHODS FOR OPTIMIZING A PACKET CLASSIFICATION ALGORITHM FOR IMPLEMENTATION BY A PACKET PROCESSING PIPELINEJanuary 2023January 2026Allow3610YesNo
18016580DEVICE AND METHOD FOR TRANSMITTING AND RECEIVING CONTROL INFORMATION AND DATA IN COMMUNICATION SYSTEMJanuary 2023July 2025Allow3010NoNo
18094865TECHNIQUES FOR UE POSITIONING MEASUREMENT IN RRC_INACTIVE OR RRC_IDLEJanuary 2023March 2026Abandon3820NoNo
18083338DATA TRANSMISSION METHOD AND NETWORK DEVICEDecember 2022August 2025Allow3210NoNo
18063997Network Device Having Multiple Forwarding DomainsDecember 2022April 2025Allow2800YesNo
18063357DYNAMIC ADDITIONAL DEMODULATION REFERENCE SIGNAL CONFIGURATIONDecember 2022February 2026Allow3820NoNo
18060597COMPUTER-READABLE RECORDING MEDIUM STORING PROGRAM, INFORMATION PROCESSING METHOD, AND INFORMATION PROCESSING SYSTEMDecember 2022November 2025Abandon3610NoNo
17999500TIMING ALIGNMENT IN INTEGRATED ACCESS AND BACKHAULNovember 2022July 2025Allow3210YesNo
18055243SERVICE-BASED SELECTION OF A TDD PATTERN FOR A UENovember 2022September 2025Allow3420YesNo
17998304TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATIONNovember 2022January 2026Abandon3820NoNo
17920521TERMINALOctober 2022June 2025Allow3110NoNo
17935752EMERGENCY DATA EXCHANGESeptember 2022March 2026Allow4220YesNo
17801597COMMUNICATION METHOD AND DEVICE, AND STORAGE MEDIUMAugust 2022January 2026Allow4120NoNo
17820389METHOD AND SYSTEMS FOR PERFORMING 3GPP NB-IOT NSSS FRAME NUMBER AND CFO DETECTION IN LOW SNR CONDITIONSAugust 2022January 2025Allow2900YesNo
17819265ENHANCED CYCLIC SHIFT CONFIGURATION FOR MULTI-PORT SOUNDING REFERENCE SIGNALSAugust 2022July 2025Allow3510YesNo
17870226COMMUNICATION METHOD AND APPARATUSJuly 2022March 2025Allow3210NoNo
17790916TERMINAL APPARATUS, COMMUNICATION METHOD, AND COMMUNICATION PROGRAMJuly 2022September 2025Allow3920YesNo
17855645MESSAGE NOTIFICATION METHOD, TERMINAL, AND NETWORK DEVICEJune 2022July 2025Allow3620YesNo
17809065SYSTEMS AND METHODS FOR MONITORING PERFORMANCE OF A NETWORK SLICE AND MITIGATING LOAD ON THE NETWORK SLICEJune 2022March 2025Allow3310YesNo
17848722COMMUNICATION METHOD, TERMINAL DEVICE, AND NETWORK DEVICEJune 2022May 2025Abandon3510NoNo
17843680SUPPORTING CBRS OPERATION USING NON-REAL TIME RAN INTELLIGENT CONTROLLER (NON-RT RIC) APPLICATIONSJune 2022March 2025Allow3310NoNo
17842068Cancellation Indications of Uplink and Sidelink TransmissionsJune 2022April 2025Allow3410NoNo
17785473Method and Device for Testing A Base StationJune 2022February 2025Allow3210YesNo
17826886ENHANCED POWER SAVINGS THROUGH MOBILE INITIATED DORMANCYMay 2022November 2025Allow4130YesNo
17743689Sidelink Data Packet Sending and Receiving Method and Communication ApparatusMay 2022July 2025Allow3830YesNo
17773884WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION APPARATUS, AND WIRELESS COMMUNICATION METHODMay 2022January 2025Allow3210YesNo
17773822METHOD FOR TRANSMITTING DCI, COMMUNICATION DEVICE AND STORAGE MEDIUMMay 2022August 2025Allow4030NoNo
17730658FACILITATING OUTER LOOP LINK ADAPTATION IN ADVANCED NETWORKSApril 2022December 2024Allow3110NoNo
17765982METHOD AND APPARATUS FOR RESOURCE REQUEST IN WIRELESS COMMUNICATION SYSTEMApril 2022December 2024Allow3210YesNo
17764740TERMINAL APPARATUS, BASE STATION APPARATUS, AND COMMUNICATION METHODMarch 2022February 2025Allow3520NoNo
17703319RADIO FREQUENCY SYSTEM INCLUDING RECOMMENDATION TRAINING AGENT FOR MACHINE LEARNING ALGORITHM AND RELATED METHODSMarch 2022June 2025Allow3830YesNo
17762556COLLABORATIVE NEIGHBOUR RELATION INFORMATIONMarch 2022October 2024Allow3010YesNo
17762665HARQ OPERATIONS AT PHY LAYER LEVELMarch 2022January 2025Allow3410NoNo
17639867METHOD AND APPARATUS FOR DETECTING IDC, AND METHOD AND APPARATUS FOR INDICATING IDC DETECTIONMarch 2022December 2025Allow4640NoNo
17639740Method and Gateway Device for Transmitting Datagrams via a Plurality of NetworksMarch 2022November 2024Allow3210YesNo
17639639Methods and Nodes for Communication using Preconfigured Resource ConfigurationsMarch 2022September 2024Allow3110NoNo
17639651Methods and Apparatuses for Adjusting a Set of Candidate BeamsMarch 2022October 2024Allow3210NoNo
17638851AMF RE-ALLOCATION SOLUTION WITH NETWORK SLICE ISOLATIONFebruary 2022September 2024Allow3010YesNo
17638433TRANSMISSION OF DATA PACKETSFebruary 2022May 2025Abandon3920YesNo
17678607WIRELESS COMMUNICATION METHOD, TERMINAL DEVICE, AND NETWORK DEVICEFebruary 2022February 2025Allow3620YesNo
17635652APPLICABILITY OF LTE-M SUBCARRIER PUNCTURING IN COEXISTENCE WITH NRFebruary 2022October 2025Allow4420YesNo
17633345IAB-CU MANAGED TIME-PATTERN CONFIGURATION FOR IAB INTER-NODE MEASUREMENTFebruary 2022August 2025Allow4230YesNo
17631609SIGNAL TRANSMISSION METHOD AND DEVICE, NETWORK APPARATUS, AND STORAGE MEDIUMJanuary 2022December 2024Allow3520YesNo
17577789FACILITATING MANAGEMENT OF SECONDARY CELL GROUP FAILURES IN FIFTH GENERATION (5G) OR OTHER ADVANCED NETWORKSJanuary 2022September 2024Allow3210NoNo
17622767DEVICE VIRTUALIZATION METHOD, APPARATUS, SYSTEM, DEVICE, AND STORAGE MEDIUMDecember 2021August 2024Allow3210NoNo
17618400COMMUNICATION APPARATUS AND COMMUNICATION METHOD FOR HYBRID AUTOMATIC REPEAT REQUEST TRANSMISSIONDecember 2021December 2024Allow3620NoNo
17543138METHOD AND APPARATUS FOR SHARING SPECTRUM BETWEEN 3GPP LTE AND NR IN WIRELESS COMMUNICATION SYSTEMDecember 2021August 2024Allow3210NoNo
17532544PLANNING AND DEPLOYING SERVICE ELEMENTS OF A NETWORK SERVICE ACROSS TRANSPORT AND CORE NETWORK SEGMENTSNovember 2021July 2024Allow3210NoNo
17452664CLUSTERING IN MULTIPLE-INPUT MULTIPLE-OUTPUT COMMUNICATION SYSTEMSOctober 2021January 2024Allow2610NoNo
17512065PAYLOAD SIZE REDUCTION FOR REPORTING RESOURCE SENSING MEASUREMENTSOctober 2021June 2024Allow3220YesNo
17504906SUBSCRIBER IDENTIFICATION MODULE PRIORITIZATION TECHNIQUES BASED ON SERVICE PRIORITY AND QUALITY OF SERVICE PARAMETERSOctober 2021March 2024Allow2920YesNo
17450828SCHEDULING FOR SIDELINK COMMUNICATIONSOctober 2021June 2024Allow3220YesNo
17598844METHOD AND DEVICE FOR SUPPORTING VEHICLE COMMUNICATION IN WIRELESS COMMUNICATION SYSTEMSeptember 2021June 2024Allow3210NoNo
17448852TRANSMISSION MODE-BASED INDICATIONS OF PREFERRED CONFIGURATIONS OF DEMODULATION REFERENCE SIGNALSSeptember 2021November 2024Allow3740YesNo
17442402USER TERMINAL AND RADIO COMMUNICATION METHODSeptember 2021October 2025Abandon4950YesNo
17442502LOW PEAK-TO-AVERAGE DEMODULATION REFERENCE SIGNAL DESIGN FOR PHYSICAL UPLINK CONTROL CHANNELSeptember 2021April 2024Allow3120YesNo
17483389POWER CONTROL FOR BEACON AND ECHO PROCEDURE FOR CHANNEL STATE INFORMATION MEASUREMENT IN SIDELINK NETWORKSSeptember 2021August 2023Allow2210NoNo
17440578RADIO RESOURCE MANAGEMENT MEASUREMENT PRIORITIZATION FOR REDUCED CAPACITY USER EQUIPMENTSeptember 2021November 2025Allow5010YesNo
17475432SYSTEMS AND METHODS FOR NEW-RADIO-AWARE LTE SCHEDULINGSeptember 2021July 2023Allow2210NoNo
17463256METHODS AND SYSTEMS FOR ORCHESTRATING NETWORK FLOW TRACING WITHIN PACKET PROCESSING PIPELINES ACROSS MULTIPLE NETWORK APPLIANCESAugust 2021March 2025Allow4240YesNo
17446011DEMODULATION REFERENCE SIGNAL-ASSISTED LISTEN-BEFORE-TALK FOR FULL-DUPLEX WIRELESS COMMUNICATIONS IN UNLICENSED SPECTRUMAugust 2021June 2023Allow2200NoNo
17458526MULTIPLE-STEP DATA THROTTLING DURING DATA TRANSFERAugust 2021June 2024Allow3430YesNo
17411114COMMUNICATION DEVICE, COMMUNICATION METHOD, AND STORAGE MEDIUMAugust 2021January 2025Allow4130YesNo
17410015INCREASING THROUGHPUT FOR MULTI-PHY NETWORKSAugust 2021June 2023Allow2210YesNo
17432878USER EQUIPMENT AND BASE STATION APPARATUSAugust 2021February 2025Abandon4220YesNo
17404302PRIORITIZED HARQ FEEDBACK TRANSMISSIONAugust 2021March 2024Allow3130YesNo
17402458DEMODULATION REFERENCE SIGNAL BUNDLING FOR SIDELINK COMMUNICATIONSAugust 2021January 2024Allow2920YesNo
17402475DISTRIBUTED TRANSMISSION OF SHORT TRAINING FIELDSAugust 2021February 2024Allow3020YesNo
17398997REFERENCE SIGNAL MULTIPLEXING WITH DOWNLINK DATAAugust 2021August 2024Allow3640YesNo
17444339SELECTING TRANSPORT BLOCKS FOR NETWORK CODINGAugust 2021March 2024Allow3230YesNo
17424570METHOD FOR OPERATING A PRIMARY COMMUNICATION DEVICE, INVOLVING MODIFICATION OF THE TRANSMISSION CONFIGURATIONJuly 2021November 2024Allow4040YesNo
17305695ALTERNATIVE DEMODULATION REFERENCE SIGNAL FOR REPETITIONS OF A RANDOM ACCESS RESPONSE PHYSICAL DOWNLINK CONTROL CHANNEL COMMUNICATIONJuly 2021November 2024Allow4050YesNo
17371576INFORMATION TRANSMISSION METHOD AND COMMUNICATIONS APPARATUSJuly 2021August 2025Allow5040YesNo
17362613CHANNEL REPORTING FOR RECONFIGURABLE SURFACESJune 2021August 2024Allow3841YesNo
17357845HIGH-PRIORITY DATA TRANSMISSION HANDLINGJune 2021May 2024Allow3430YesNo
17416659METHODS AND DEVICES FOR OPERATING WITH DUAL CONNECTIVITYJune 2021January 2024Allow3110YesNo
17416166METHOD AND APPARATUS FOR SHARING COMMUNICATION CHANNELJune 2021March 2025Allow4530NoNo
17256626COMMUNICATIONS DEVICE AND COMMUNICATION METHODJune 2021April 2025Abandon5130NoNo
17339664INTERFERENCE MEASUREMENT FOR SIDELINK COMMUNICATIONJune 2021May 2024Allow3640YesNo
17333995FEEDBACK-BASED BROADCAST NETWORK CODED PACKET TRANSMISSIONMay 2021January 2024Allow3230YesNo
17322363TRIGGER-BASED JOINT TX-RX SENSING FOR CHANNEL ACCESSMay 2021August 2024Allow3950YesNo
17321068METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING WIRELESS SIGNAL IN WIRELESS COMMUNICATION SYSTEMMay 2021April 2023Allow2310NoNo
17320184ETHERNET TRANSCEIVER DEVICE AND ETHERNET PHYSICAL-LAYER CIRCUITMay 2021April 2023Allow2320NoNo

Appeals Overview

This analysis examines appeal outcomes and the strategic value of filing appeals for examiner LU, XUAN.

Patent Trial and Appeal Board (PTAB) Decisions

Total PTAB Decisions
3
Examiner Affirmed
2
(66.7%)
Examiner Reversed
1
(33.3%)
Reversal Percentile
51.8%
Higher than average

What This Means

With a 33.3% reversal rate, the PTAB reverses the examiner's rejections in a meaningful percentage of cases. This reversal rate is above the USPTO average, indicating that appeals have better success here than typical.

Strategic Value of Filing an Appeal

Total Appeal Filings
6
Allowed After Appeal Filing
2
(33.3%)
Not Allowed After Appeal Filing
4
(66.7%)
Filing Benefit Percentile
52.4%
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 LU, XUAN - Prosecution Strategy Guide

Executive Summary

Examiner LU, XUAN works in Art Unit 2473 and has examined 137 patent applications in our dataset. With an allowance rate of 81.0%, this examiner has an above-average tendency to allow applications. Applications typically reach final disposition in approximately 34 months.

Allowance Patterns

Examiner LU, XUAN's allowance rate of 81.0% places them in the 52% percentile among all USPTO examiners. This examiner has an above-average tendency to allow applications.

Office Action Patterns

On average, applications examined by LU, XUAN receive 3.28 office actions before reaching final disposition. This places the examiner in the 91% percentile for office actions issued. This examiner issues more office actions than most examiners, which may indicate thorough examination or difficulty in reaching agreement with applicants.

Prosecution Timeline

The median time to disposition (half-life) for applications examined by LU, XUAN is 34 months. This places the examiner in the 43% percentile for prosecution speed. Prosecution timelines are slightly slower than average with this examiner.

Interview Effectiveness

Conducting an examiner interview provides a +18.4% benefit to allowance rate for applications examined by LU, XUAN. This interview benefit is in the 61% 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, 25.6% of applications are subsequently allowed. This success rate is in the 41% 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 6.1% of cases where such amendments are filed. This entry rate is in the 6% percentile among all examiners. Strategic Recommendation: This examiner rarely enters after-final amendments compared to other examiners. You should generally plan to file an RCE or appeal rather than relying on after-final amendment entry. Per MPEP § 714.12, primary examiners have discretion in entering after-final amendments, and this examiner exercises that discretion conservatively.

Pre-Appeal Conference Effectiveness

When applicants request a pre-appeal conference (PAC) with this examiner, 50.0% result in withdrawal of the rejection or reopening of prosecution. This success rate is in the 43% 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 66.7% of appeals filed. This is in the 49% percentile among all examiners. Of these withdrawals, 16.7% occur early in the appeal process (after Notice of Appeal but before Appeal Brief). Strategic Insight: This examiner shows below-average willingness to reconsider rejections during appeals. Be prepared to fully prosecute appeals if filed.

Petition Practice

When applicants file petitions regarding this examiner's actions, 57.1% are granted (fully or in part). This grant rate is in the 59% 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 0.0% of allowed cases (in the 16% percentile). This examiner rarely makes examiner's amendments compared to other examiners. You should expect to make all necessary claim amendments yourself through formal amendment practice.

Quayle Actions: This examiner issues Ex Parte Quayle actions in 0.0% of allowed cases (in the 21% percentile). This examiner rarely issues Quayle actions compared to other examiners. Allowances typically come directly without a separate action for formal matters.

Prosecution Strategy Recommendations

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

  • Expect multiple rounds of prosecution: This examiner issues more office actions than average. Address potential issues proactively in your initial response and consider requesting an interview early in prosecution.
  • Plan for RCE after final rejection: This examiner rarely enters after-final amendments. Budget for an RCE in your prosecution strategy if you receive a final rejection.

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.