Prosecution Insights
Last updated: October 26, 2026

Peter P Chau, USPTO Patent Examiner

Listed by the USPTO as CHAU, PETER P

Tech Center 4100 • Art Units: 2419 2476 4100

This examiner grants 78% of resolved cases

Analysis

CHAU, PETER P is assigned to tech center 4100 and art unit 2419, with 589 resolved cases. The profile records a 78.3% allowance rate and a median of 1087 days to allowance. The figures indicate a substantial allowance outcome with a prosecution timeline that remains longer than applicants may prefer.

Interviews are associated with a 41.5% lift in the allowance rate, making them a significant tool for addressing unresolved issues. The listed companies are Qualcomm, Samsung Electronics, and Huawei Technologies. The leading firms are Jefferson IP Law, Brooks Kushman, and Fox Rothschild. Counsel may benefit from preparing interviews around specific claim limitations and using written amendments to preserve the resulting position.

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

Performance Statistics

78.3%
Allow Rate
+18.3% vs TC avg
631
Total Applications
+41.5%
Interview Lift
1087
Avg Prosecution Days
Based on 589 resolved cases, 2023–2026

Rejection Statute Breakdown

7.5%
§101 Eligibility
4.1%
§102 Novelty
41.7%
§103 Obviousness
42.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17764282 Group Signalling Aspects for NR-NR Dual Connectivity (NR-DC) and Reconfiguration Non-Final OA Telefonaktiebolaget LM Ericsson (publ)
18698593 METHOD AND APPARATUS FOR PROVIDING SYNCHRONIZATION IN WIRELESS COMMUNICATION SYSTEM Non-Final OA Samsung Electronics Co., Ltd.
18734237 RANDOM ACCESS PROCEDURES FOR LTM EXECUTION Final Rejection Samsung Electronics Co., Ltd.
18304468 COMMUNICATION METHOD APPLIED TO INTEGRATED ACCESS AND BACKHAUL IAB SYSTEM AND RELATED DEVICE Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
18811447 LATENCY ENHANCEMENTS WITH MULTI-LINK OPERATIONS Non-Final OA QUALCOMM Incorporated
18795646 TECHNIQUES FOR SIDELINK POSITIONING USING DEVICE RESOURCE INFORMATION Final Rejection QUALCOMM Incorporated
18740815 TECHNIQUES FOR 480 AND 640 MEGAHERTZ (MHZ) TRANSMISSION IN WI-FI Final Rejection QUALCOMM Incorporated
18699155 FLEXIBLE RESOURCE ALLOCATION FOR POSITIONING REFERENCE SIGNALS IN TIME AND FREQUENCY DOMAIN Non-Final OA QUALCOMM Incorporated
18696585 ASSOCIATING DEMODULATION REFERENCE SIGNAL PORTS TO SOUNDING REFERENCE SIGNAL RESOURCE SETS FOR SPATIAL DIVISION MULTIPLEXING COMMUNICATIONS Non-Final OA QUALCOMM Incorporated
18018634 NEW BEAM IDENTIFICATION FOR PHYSICAL DOWNLINK CONTROL CHANNEL (PDCCH) REPETITION Non-Final OA QUALCOMM INCORPORATED
18696707 ENABLING DISTRIBUTED NON-ACCESS STRATUM TERMINATIONS Final Rejection NOKIA TECHNOLOGIES OY
19011006 INFORMATION PROCESSING METHOD AND APPARATUS, COMMUNICATION DEVICE, AND READABLE STORAGE MEDIUM Non-Final OA VIVO MOBILE COMMUNICATION CO., LTD.
18310633 QUALITY OF SERVICE (QoS) TRANSLATION Final Rejection Cisco Technology, Inc.

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Frequently Asked Questions

What is examiner Peter P Chau's allowance rate?

78.3% of resolved applications examined by Peter P Chau were allowed (589 resolved cases), compared with 77.3% across Art Unit 2419 over the last five years.

Does an interview help with examiner Peter P Chau?

This examiner's interview lift is +41.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Peter P Chau take to allow a patent?

Applications allowed by Peter P Chau took 1,087 days on average from filing to allowance.

Which art unit does examiner Peter P Chau work in?

Peter P Chau examines applications in Art Unit 2419 in Tech Center 4100.

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