Prosecution Insights
Last updated: October 26, 2026

Ning Li, USPTO Patent Examiner

Listed by the USPTO as LI, NING

Tech Center 4100 • Art Units: 2415 4100

This examiner grants 69% of resolved cases

Analysis

LI, NING works in Tech Center 4100 and Art Unit 2415. His record contains 157 resolved cases, a 68.8% allowance rate, and a median of 1320 days to allowance. Interviews are associated with a 47.1% lift, giving practitioners a strong reason to consider direct discussion where a focused explanation or amendment may change the course of examination.

The principal companies are Nippon Telegraph and Telephone Corporation, Huawei Technologies Co., Ltd., and Qualcomm Incorporated. The leading firms are FOLEY & LARDNER LLP and Kunzler Needham Hilton - Lenovo. The median timing indicates that counsel should plan for prolonged prosecution and coordinate interviews with a detailed written record.

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

Performance Statistics

68.8%
Allow Rate
+8.8% vs TC avg
180
Total Applications
+47.1%
Interview Lift
1320
Avg Prosecution Days
Based on 157 resolved cases, 2023–2026

Rejection Statute Breakdown

3.1%
§101 Eligibility
11.8%
§102 Novelty
58.1%
§103 Obviousness
21.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18447973 USER EQUIPMENT, BASE STATION AND METHOD PERFORMED BY THE SAME IN WIRELESS COMMUNICATION SYSTEM Final Rejection Samsung Electronics Co., Ltd.
18170439 Communication Method and Communications Apparatus Non-Final OA Huawei Technologies Co., Ltd.
18848894 FEDERATED PARAMETER TRAINING FOR MACHINE LEARNING Non-Final OA QUALCOMM Incorporated
18836422 A CONTROLLER FOR RECONFIGURING A RADIOFREQUENCY-BASED SENSING SYSTEM A METHOD THEREOF Non-Final OA SIGNIFY HOLDING B.V.
18843506 TERMINAL, BASE STATION AND COMMUNICATION METHOD Non-Final OA NTT DOCOMO, INC.
17429833 USER EQUIPMENT AND MEASUREMENT METHOD Non-Final OA NTT DOCOMO, INC.
18251087 CHANNEL STATE INFORMATION REPORT CONFIGURATION Non-Final OA Lenovo (Singapore) Pte. Ltd.
18912111 INFORMATION ACQUISITION METHOD, APPARATUS AND DEVICE, AND COMPUTER STORAGE MEDIUM Non-Final OA ZTE CORPORATION

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Frequently Asked Questions

What is examiner Ning Li's allowance rate?

68.8% of resolved applications examined by Ning Li were allowed (157 resolved cases), compared with 75.0% across Art Unit 2415 over the last five years.

Does an interview help with examiner Ning Li?

This examiner's interview lift is +47.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Ning Li take to allow a patent?

Applications allowed by Ning Li took 1,320 days on average from filing to allowance.

Which art unit does examiner Ning Li work in?

Ning Li examines applications in Art Unit 2415 in Tech Center 4100.

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