Prosecution Insights
Last updated: October 26, 2026

Wayne Huu Cai, USPTO Patent Examiner

Listed by the USPTO as CAI, WAYNE HUU

Tech Center 2600 • Art Units: 2469 2617 2644

This examiner grants 80% of resolved cases

Analysis

CAI, WAYNE HUU handles matters in USPTO Technology Center 2600 and art unit 2469. The record reports 917 resolved cases and a 79.6% allowance rate. The median time to allowance is 1117 days, so applicants should integrate a lengthy prosecution period into filing, continuation, and business planning.

The interview lift is 15.5%, supporting interviews as a supplement to carefully prepared written responses. NEC Corporation, Huawei Technologies Co., Ltd., and Qualcomm Incorporated are the listed companies. Barta Jones, PLLC, Bayes PLLC, and FENWICK & WEST LLP are the identified firms. Applicants should emphasize clear technical distinctions in communications claims and maintain a measured amendment strategy that protects important scope.

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

Performance Statistics

79.6%
Allow Rate
+17.6% vs TC avg
953
Total Applications
+15.5%
Interview Lift
1117
Avg Prosecution Days
Based on 917 resolved cases, 2023–2026

Rejection Statute Breakdown

4.9%
§101 Eligibility
19.2%
§102 Novelty
58.8%
§103 Obviousness
6.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18862845 METHODS AND APPARATUSES TO HANDLE PLMN LIST Non-Final OA Samsung Electronics Co., Ltd.
18853690 RESELECTING A NEW SERVING CELL BY A UE Non-Final OA CANON KABUSHIKI KAISHA
18766906 CHARGING APPARATUS, METHOD, SYSTEM, AND NON-TRANSITORY MEDIUM Non-Final OA NEC Corporation
18027065 METHOD OF AMF, METHOD OF UE, AMF, AND UE Final Rejection NEC Corporation
18978210 CELL MEASUREMENT METHOD AND RELATED APPARATUS Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
18540169 DATA RETRANSMISSION METHOD, NAV VALUE CONTROL METHOD, ELECTRONIC DEVICE, AND STORAGE MEDIUM Final Rejection HUAWEI TECHNOLOGIES CO., LTD.
18738112 METHODS AND APPARATUSES FOR RTT MEASUREMENT PROCEDURE IN A TELECOMMUNICATIONS NETWORK Non-Final OA KONINKLIJKE PHILIPS N.V.
18648019 REDUCED OVERHEAD FOR INDEPENDENT SPATIAL DOMAIN BASIS SELECTION IN CHANNEL STATE INFORMATION CODEBOOK Non-Final OA QUALCOMM Incorporated
18402523 INDICATING SOUNDING REFERENCE SIGNAL PORTS FOR PHYSICAL UPLINK SHARED CHANNELS FOR SIMULTANEOUS TRANSMISSION ACROSS MULTIPLE PANELS WITH SHARED PORTS Non-Final OA QUALCOMM Incorporated
18854730 METHOD OF TRANSMITTING APERIODIC DOWNLINK SMALL DATA TRANSMISSIONS TO COMMUNICATION DEVICES CONFIGURED FOR SCHEDULED INACTIVATION OF A RECEIVER Non-Final OA Continental Automotive Technologies GmbH
18999829 TRANSMISSION HANDLING FOR PCI SATELLITE SWITCHING Non-Final OA InterDigital Patent Holdings, Inc.
18536650 WIRELESS COMMUNICATION METHOD AND APPARATUS, AND TERMINAL DEVICE Non-Final OA GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
18862447 METHOD AND APPARATUS FOR CONTROLLING A USER DEVICE IN A NETWORK Non-Final OA NOKIA TECHNOLOGIES OY
17816467 DATA TRANSMISSION MANAGEMENT FOR USER EQUIPMENT IN COMMUNICATION NETWORK Final Rejection Nokia Technologies Oy
18109265 USER EQUIPMENT WITH ACCESS PERFORMANCE PREDICTION AND ASSOCIATED WIRELESS COMMUNICATION METHOD Final Rejection MEDIATEK INC.
18498291 MULTICAST FRAME TRANSMISSION IN WIRELESS LOCAL AREA NETWORK Non-Final OA HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP
18778783 INTER-CELL MOBILITY TRIGGERED BY THE NETWORK Non-Final OA ZTE Corporation

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Frequently Asked Questions

What is examiner Wayne Huu Cai's allowance rate?

79.6% of resolved applications examined by Wayne Huu Cai were allowed (917 resolved cases), compared with 80.6% across Art Unit 2469 over the last five years.

Does an interview help with examiner Wayne Huu Cai?

This examiner's interview lift is +15.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Wayne Huu Cai take to allow a patent?

Applications allowed by Wayne Huu Cai took 1,117 days on average from filing to allowance.

Which art unit does examiner Wayne Huu Cai work in?

Wayne Huu Cai examines applications in Art Unit 2469 in Tech Center 2600 (Communications).

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