Prosecution Insights
Last updated: October 26, 2026

Man U Phan, USPTO Patent Examiner

Listed by the USPTO as PHAN, MAN U

Tech Center 2600 • Art Units: 2419 2475 2477 2619

This examiner grants 91% of resolved cases

Analysis

PHAN, MAN U is a USPTO patent examiner in tech center 2600 and art unit 2419. The profile reports 1188 resolved cases, an allowance rate of 91.1%, and a median of 915 days to allowance. The interview lift is 8.8%, indicating a modest positive association between interviews and allowance outcomes in the reported case history.

The listed companies are Huawei Technologies Co., Ltd., Samsung Electronics Co., Ltd., and Telefonaktiebolaget LM Ericsson. The listed firms are Kowert Hood Munyon Rankin & Goetzel (Apple), AMPACC Law Group, PLLC, and FOLEY & LARDNER LLP. The allowance rate provides a clear basis for setting initial prosecution expectations, while the median timing supports docket planning. The interview measure favors a targeted approach to examiner discussions rather than treating interviews as necessary in every matter.

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

Performance Statistics

91.1%
Allow Rate
+29.1% vs TC avg
1,224
Total Applications
+8.8%
Interview Lift
915
Avg Prosecution Days
Based on 1188 resolved cases, 2023–2026

Rejection Statute Breakdown

4.5%
§101 Eligibility
3.0%
§102 Novelty
67.4%
§103 Obviousness
9.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18923773 Delaying Transmission Depending on Transmission Type and UE Processing Capabilities Non-Final OA Telefonaktiebolaget LM Ericsson (publ).
18848931 JOINT-REPEATER-UE BEAM REPORT IN REPEATER-ASSISTED NETWORKS Non-Final OA Telefonaktiebolaget LM Ericsson (publ)
18546667 Network Node and Method for Sustaining Ultra-Reliable Communication in Wireless Communication Network Non-Final OA Telefonaktiebolaget LM Ericsson (publ)
18827075 METHODS AND SYSTEMS FOR ESTABLISHING IP MULTIMEDIA SUBSYSTEM (IMS) SESSIONS Non-Final OA SAMSUNG ELECTRONICS CO, LTD.
18770362 METHOD AND APPARATUS FOR HANDLING OF PDU SESSION FOR LADN DNN IN A WIRELESS COMMUNICATION SYSTEM Final Rejection SAMSUNG ELECTRONICS CO., LTD.
18903932 RRC-Based User Data Transmission in an Inactive State Non-Final OA Apple Inc.
18652108 Enhanced Ranging Techniques in 802.11 Final Rejection Apple Inc.
18680341 COMMUNICATION METHOD AND APPARATUS Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
18669513 COMMUNICATION METHOD, APPARATUS, AND SYSTEM Final Rejection HUAWEI TECHNOLOGIES CO., LTD.
18596858 DATA TRANSMISSION METHOD AND APPARATUS Final Rejection HUAWEI TECHNOLOGIES CO., LTD.
18404060 COMMUNICATION METHOD AND RELATED APPARATUS Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
18712228 DISCONTINUOUS RECEPTION MODE COMMUNICATION TECHNIQUES Final Rejection QUALCOMM INCORPORATED
18891413 BEAM FAILURE RECOVERY ON A NON-FAILED CELL Non-Final OA InterDigital Patent Holdings, Inc.
18827969 METHODS, ARCHITECTURES, APPARATUSES AND SYSTEMS FOR NEAR-FIELD AND/OR FAR-FIELD BEAM SELECTION Non-Final OA InterDigital Patent Holdings, Inc.
18951496 METHODS AND APPARATUSES RELATING TO WIRELESS COMMUNICATION Non-Final OA Nokia Technologies Oy
18953738 MEASUREMENT METHOD, TERMINAL DEVICE, AND NETWORK DEVICE Non-Final OA VIVO MOBILE COMMUNICATION CO.,LTD.
18893189 BEAM PROCESSING METHOD AND APPARATUS, AND DEVICE Non-Final OA VIVO MOBILE COMMUNICATION CO., LTD.
18828930 MULTI-LINK PROCEDURE TO IDENTIFY LINK DISABLEMENT IN BASIC SERVICE SET (BSS) TRANSITION MANAGEMENT FRAMES Non-Final OA Cisco Technology, Inc.

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Frequently Asked Questions

What is examiner Man U Phan's allowance rate?

91.1% of resolved applications examined by Man U Phan were allowed (1,188 resolved cases), compared with 77.3% across Art Unit 2419 over the last five years.

Does an interview help with examiner Man U Phan?

This examiner's interview lift is +8.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Man U Phan take to allow a patent?

Applications allowed by Man U Phan took 915 days on average from filing to allowance.

Which art unit does examiner Man U Phan work in?

Man U Phan examines applications in Art Unit 2419 in Tech Center 2600 (Communications).

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