Prosecution Insights
Last updated: October 01, 2026

Examiner: XIA, XUYANG

Tech Center 4100 • Art Units: 2117 2143 2165 2178 4100

This examiner grants 72% of resolved cases

Analysis

Xuyang Xia is an examiner in Art Unit 2117 of Tech Center 4100, with 488 resolved cases. The allowance rate is 72.5 percent, which indicates that a majority of applications are eventually granted. This rate suggests a predictable environment for applicants seeking patent protection in this technology area.

The interview lift is 52.3 percent, which is a high figure that highlights the importance of direct communication. This lift suggests that interviews are an effective tool for overcoming rejections in this examiner's docket. Practitioners should leverage the 52.3 percent lift to bridge the gap from the 72.5 percent base allowance rate.

The median days to allowance is 1173, reflecting a prosecution timeline for reaching a grant. This duration is consistent with the 72.5 percent allowance rate and the volume of cases handled. Applicants should plan for this 1173-day period when managing their expectations for a grant in Tech Center 4100, using the 52.3 percent interview lift to maintain progress.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

72.5%
Allow Rate
+12.5% vs TC avg
514
Total Applications
+52.3%
Interview Lift
1173
Avg Prosecution Days
Based on 488 resolved cases, 2023–2026

Rejection Statute Breakdown

13.2%
§101 Eligibility
16.4%
§102 Novelty
66.1%
§103 Obviousness
3.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18726731 METHOD AND DEVICE FOR PERFORMING ERROR CORRECTION ON ASYMMETRIC PAULI CHANNEL IN QUANTUM COMMUNICATION SYSTEM Non-Final OA LG ELECTRONICS INC.
18141031 LEARNING ACTIVE TACTILE PERCEPTION THROUGH BELIEF-SPACE CONTROL Non-Final OA SAMSUNG ELECTRONICS CO,LTD.
18486807 DISTRIBUTED LEARNING METHOD AND APPARATUS Final Rejection HUAWEI TECHNOLOGIES CO., LTD.
18238016 CONVOLUTIONAL NEURAL NETWORK PRUNING PROCESSING METHOD, DATA PROCESSING METHOD, AND DEVICE Final Rejection HUAWEI TECHNOLOGIES CO., LTD.
18543533 HYBRID GENERATIVE ARTIFICIAL INTELLIGENCE MODELS Non-Final OA QUALCOMM Incorporated
18238532 COMPUTER-READABLE RECORDING MEDIUM STORING OUTPUT PROGRAM, OUTPUT METHOD, AND INFORMATION PROCESSING APPARATUS Non-Final OA Fujitsu Limited
18249214 METHOD AND SYSTEM FOR PREDICTING TRAJECTORIES FOR MANEUVER PLANNING BASED ON A NEURAL NETWORK Final Rejection Continental Automotive Technologies GmbH
18276016 BUILDING AN EXPLAINABLE MACHINE LEARNING MODEL Non-Final OA Telefonaktiebolaget LM Ericsson (publ)
18021412 Handling Training of a Machine Learning Model Non-Final OA Telefonaktiebolaget LM Ericsson (PUBL)
18736746 UNIVERSAL EMBEDDING BASED ENTITY RETRIEVAL MODEL Non-Final OA Microsoft Technology Licensing, LLC
18536306 OPTIMIZING CONTENT SERVICE THROUGH FINITE STATE MACHINE Non-Final OA Microsoft Technology Licensing, LLC
18543439 DETECTING OUTLIERS DURING MACHINE LEARNING SYSTEM TRAINING Non-Final OA International Business Machines Corporation
18531983 SELECTIVE BREEDING FOR DIVERGENT NEURAL NETWORKS IN AN EDGE COMPUTING ENVIRONMENT Non-Final OA INTERNATIONAL BUSINESS MACHINES CORPORATION
18311504 TRAINING MACHINE LEARNING MODELS ON PRIVATE DATA IN UNTRUSTED ENVIRONMENT USING ANONYMIZED DATA AND ENCRYPTED DATA Non-Final OA International Business Machines Corporation
18300977 Method for Quickly Starting Application Service, and Terminal Final Rejection Honor Device Co., Ltd.
18298844 RULE BASED PROCESS FLOW PREDICTION Final Rejection SAP SE
18667823 Computing System with Functionality Related to a Machine-Learning Model Store Non-Final OA Roku, Inc.
18535239 METHOD OF FEDERATED ENSEMBLE LEARNING AND APPARATUS THEREOF Final Rejection Research & Business Foundation SUNGKYUNKWAN UNIVERSITY
18646561 NOISE ADDITION FOR DIFFERENTIAL PRIVACY WITH PRESERVATION OF DATA UTILITY Non-Final OA Palo Alto Networks, Inc.
17661364 RISK ANALYSIS FOR COMPUTER SERVICES Non-Final OA Dell Products L.P.
18436799 TRAINING AND EXECUTING MACHINE-LEARNING MODELS FOR BUILDING DATA CONVERSION Non-Final OA Johnson Controls Tyco IP Holdings LLP
18510749 METHOD FOR SUMMARIZING INFRASTRUCTURE ISSUES USING DIRECTED ACYCLIC GRAPHS Non-Final OA Hughes Network Systems, LLC
17673259 QUANTUM SYSTEM AND UNDESIRED INTERACTION PREVENTION MECHANISM THEREFORE Non-Final OA SOCPRA SCIENCES ET GENIE S.E.C.

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