Prosecution Insights
Last updated: October 26, 2026

Kan Yuen, USPTO Patent Examiner

Listed by the USPTO as YUEN, KAN

Tech Center 2600 • Art Units: 2416 2464 2469 2616

This examiner grants 89% of resolved cases

Analysis

YUEN, KAN is assigned to Tech Center 2600 and Art Unit 2416. The profile includes 856 resolved cases and shows an 88.8% allowance rate. Interviews are associated with a 13.7% lift in allowance outcomes. The median time to allowance is 1034 days.

The listed companies are Ofinno LLC, Toyota Motor Corporation, and Huawei Technologies Co., Ltd. The listed firms are FIG. 1 Patents, FOLEY & LARDNER LLP, and HARNESS DICKEY (DETROIT). The record supports a prosecution plan centered on clear claim scope, with selective interviews used to address defined examination issues and support efficient written responses.

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

Performance Statistics

88.8%
Allow Rate
+26.8% vs TC avg
882
Total Applications
+13.7%
Interview Lift
1034
Avg Prosecution Days
Based on 856 resolved cases, 2023–2026

Rejection Statute Breakdown

5.2%
§101 Eligibility
18.1%
§102 Novelty
52.3%
§103 Obviousness
16.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18725879 METHOD AND APPARATUS FOR P-CSCF RESTORATION Non-Final OA Telefonaktiebolaget LM Ericsson (publ)
18891330 COMMUNICATION METHOD AND COMMUNICATION APPARATUS Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
18691831 CONGESTION CONTROL FOR SIDELINK POSITIONING Final Rejection QUALCOMM Incorporated
18923307 MOBILE COMMUNICATION SYSTEM, MOBILE TERMINAL AND BASE STATION Non-Final OA Mitsubishi Electric Corporation
18854863 TERMINAL, BASE STATION AND COMMUNICATION METHOD Non-Final OA NTT DOCOMO, INC.
18860361 METHOD FOR SENDING CAPABILITY INFORMATION, METHOD FOR CAPABILITY DETERMINATION, COMMUNICATION APPARATUS, AND STORAGE MEDIUM Non-Final OA Beijing Xiaomi Mobile Software Co., Ltd.
18725889 ENHANCEMENTS ON SLICE SERVICE CONTINUITY Non-Final OA Nokia Technologies Oy
18621894 UE CAPABILITY REPORTING METHOD, JOINT SCHEDULING METHOD, SCHEDULING METHOD, AND DEVICE Final Rejection VIVO MOBILE COMMUNICATION CO., LTD.
18615624 SYSTEMS AND METHODS FOR RESOURCE CONFIGURATION FOR NETWORK NODES Non-Final OA ZTE Corporation

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Frequently Asked Questions

What is examiner Kan Yuen's allowance rate?

88.8% of resolved applications examined by Kan Yuen were allowed (856 resolved cases), compared with 72.0% across Art Unit 2416 over the last five years.

Does an interview help with examiner Kan Yuen?

This examiner's interview lift is +13.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Kan Yuen take to allow a patent?

Applications allowed by Kan Yuen took 1,034 days on average from filing to allowance.

Which art unit does examiner Kan Yuen work in?

Kan Yuen examines applications in Art Unit 2416 in Tech Center 2600 (Communications).

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