Prosecution Insights
Last updated: October 01, 2026

Examiner: CHU, WUTCHUNG

Tech Center 2600 • Art Units: 2418 2468 2472 2619

This examiner grants 81% of resolved cases

Analysis

Wutchung Chu is an examiner in Tech Center 2600 and Art Unit 2418. He has 670 resolved cases and an allowance rate of 81.0%. The median days to allowance for these cases is 1192. This 1192-day figure is a larger number than the 670 resolved cases. Practitioners can use the 1192-day median to allowance to estimate the timeline for reaching a final disposition. The 81.0% allowance rate provides a baseline for the probability of success in this art unit.

The interview lift for this examiner is 18.4%. This 18.4% lift is a smaller percentage than the 81.0% allowance rate. An interview lift of 18.4% indicates that applications with interviews have a higher probability of allowance than the base rate. Practitioners may consider the 18.4% lift when evaluating the necessity of an interview. The 670 resolved cases represent the total volume of data available for this examiner. Each figure, from the 1192 days to the 81.0% rate, helps define the prosecution environment in Art Unit 2418. The relationship between the 18.4% lift and the 81.0% rate is a key factor for strategy.

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

Performance Statistics

81.0%
Allow Rate
+19.0% vs TC avg
698
Total Applications
+18.4%
Interview Lift
1192
Avg Prosecution Days
Based on 670 resolved cases, 2023–2026

Rejection Statute Breakdown

6.1%
§101 Eligibility
12.2%
§102 Novelty
63.3%
§103 Obviousness
9.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18855020 METHOD FOR TRANSMITTING AND RECEIVING UPLINK CHANNEL AND DOWNLINK CHANNEL, AND DEVICE THEREFOR Non-Final OA LG ELECTRONICS INC.
18615981 ELECTRONIC DEVICE FOR PERFORMING TWT ON BASIS OF INFORMATION RELATED TO BEACON, AND OPERATING METHOD OF ELECTRONIC DEVICE Final Rejection SAMSUNG ELECTRONICS CO., LTD.
18859205 PROCEDURE FOR NON-TERRESTRIAL NETWORK COVERAGE ENHANCEMENT WITH ULTRA COMPACT DOWNLINK CONTROL INFORMATION AND SCHEDULING PHYSICAL DOWNLINK SHARED CHANNEL Non-Final OA APPLE INC.
18854268 DMRS Port Configuration for CP-OFDM Non-Final OA Apple Inc.
18527855 COMMUNICATION METHOD AND APPARATUS Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
18728481 INFORMATION REPORTING METHOD AND USER EQUIPMENT Final Rejection SHARP KABUSHIKI KAISHA
18843262 60 GHZ OPERATION WITH ORTHOGONAL FREQUENCY-DIVISION MULTIPLEXING WITH A SINGLE FAST FOURIER TRANSFORM SIZE Non-Final OA INTEL CORPORATION
18757086 TXOP PREEMPTION FOR LOW LATENCY APPLICATION Non-Final OA INTEL CORPORATION
18842932 METHODS AND APPARATUSES FOR MEAN EPHEMERIS FOR DISCONTINUOUS COVERAGE Non-Final OA LENOVO (BEIJING) LIMITED
18697195 METHOD AND APPARATUS FOR GROUP-COMMON DCI PAYLOAD SIZE DETERMINATION Non-Final OA Lenovo (Beijing) Limited
18271708 METHODS AND APPARATUSES OF ENHANCED MECHANISM FOR DEACTIVATED OR DORMANT SN Non-Final OA Lenovo (Beijing) Limited
18909379 RECOVERY/FALLBACK AFTER UNSUCCESSFUL 2-STEP RANDOM ACCESS ATTEMPT Non-Final OA Telefonaktiebolaget LM Ericsson (publ)
18891737 Methods for Suspending Inactive when Resuming and Resuming Inactive when Suspending Non-Final OA Telefonaktiebolaget LM Ericsson (publ)
18248104 SYNCHRONISATION SIGNALING FOR WIRELESS COMMUNICATION NETWORK Non-Final OA Telefonaktiebolaget LM Ericsson (publ)
18697561 TRANSMISSION SYSTEM, SWITCHING CONTROL APPARATUS, SWITCHING CONTROL METHOD AND PROGRAM Final Rejection NTT, Inc.
18851487 NETWORK ASSISTANCE FOR SAMPLING RATE ADAPTATION Non-Final OA Nokia Technologies Oy
18695610 METHODS AND APPARATUS FOR RRM MEASUREMENT AND PAGING RELIABILITY USING LOW POWER WAKE-UP RECEIVER FOR WIRELESS SYSTEMS Final Rejection INTERDIGITAL PATENT HOLDINGS, INC.
18147793 RANDOM ACCESS METHOD AND APPARATUS, AND NETWORK-SIDE DEVICE Non-Final OA VIVO MOBILE COMMUNICATION CO., LTD.
18223353 Systems and Methods for Traffic Management Final Rejection Comcast Cable Communications, LLC
18420718 TIME SYNCHRONIZATION METHOD AND APPARATUS, AND TERMINAL DEVICE Non-Final OA GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
18893794 SCHEDULING HARQ TRANSMISSIONS IN MINI-SLOTS Non-Final OA T-Mobile USA, Inc.
18615977 User Device Remote Computation in Real Time Non-Final OA T-Mobile Innovations LLC
18224258 STRIDED MESSAGE BASED RECEIVE BUFFER Non-Final OA Mellanox Technologies, Ltd.
18692236 SYSTEM INFORMATION TRANSMISSION METHOD AND APPARATUS Final Rejection BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
18681003 SHARING SESSION ESTABLISHMENT METHOD AND APPARATUS, AND COMMUNICATION DEVICE Final Rejection BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month