Prosecution Insights
Last updated: October 01, 2026

Examiner: NIU, XINNING

Tech Center 2800 • Art Units: 2828 2878

This examiner grants 83% of resolved cases

Analysis

Xinning Niu is an examiner in Tech Center 2800 and Art Unit 2828. The profile shows a high volume of 1035 resolved cases and an allowance rate of 82.6%. This 82.6% rate indicates a very high likelihood of success for applications assigned to this examiner. The median days to allowance is 896, which establishes an efficient timeframe for the prosecution process. With 1035 resolved cases, the statistical confidence in these metrics is very high.

The interview lift is 4.7%, which is a modest figure compared to the high baseline. This 4.7% lift suggests that while interviews are slightly helpful, the 82.6% allowance rate is largely independent of whether an interview occurs. Practitioners can use the 896 median days to allowance to project timely grants for their clients. The 1035 resolved cases confirm a consistent pattern of high allowance and efficiency. This analysis of Art Unit 2828 is based on the 1035 resolved cases available.

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

Performance Statistics

82.6%
Allow Rate
+14.6% vs TC avg
1,055
Total Applications
+4.7%
Interview Lift
896
Avg Prosecution Days
Based on 1035 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%
§101 Eligibility
13.6%
§102 Novelty
70.1%
§103 Obviousness
8.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18143869 Techniques for Providing Electrostatic Discharge (ESD) Protection to Resonant Cavity Mesas Non-Final OA Apple Inc.
18363891 SEMICONDUCTOR LASER ELEMENT Final Rejection NICHIA CORPORATION
18685574 SURFACE EMITTING ELEMENT, LIGHT-EMITTING DEVICE, AND METHOD OF MANUFACTURING SURFACE EMITTING ELEMENT Non-Final OA SONY GROUP CORPORATION
18686032 METHOD FOR PRODUCING AT LEAST ONE LASER CHIP, AND LASER CHIP Non-Final OA ams-OSRAM International GMBH
18063067 Laser Protection Methods Non-Final OA Waymo LLC
18297719 AUTOMATIC LASER SETTING ADJUSTMENT Non-Final OA GYRUS ACMI, INC. D/B/A OLYMPUS SURGICAL TECHNOLOGIES AMERICA
17892099 METHOD FOR MANUFACTURING TERAHERTZ DEVICE Non-Final OA National Tsing Hua University
18683035 METHOD FOR DESIGNING PHASE MODULATION LAYER AND METHOD FOR PRODUCING LIGHT-EMITTING ELEMENT Non-Final OA HAMAMATSU PHOTONICS K.K.
18408777 GAS LASER DEVICE AND ELECTRONIC DEVICE MANUFACTURING METHOD Non-Final OA Gigaphoton Inc.
18268378 PULSED POWER CIRCUITS USING HYBRID NON-LINEAR MAGNETIC MATERIALS AND INDUCTORS INCORPORATING THE SAME Non-Final OA Cymer, LLC
18802317 ULTRAFAST MODULATION VERTICAL-CAVITY SURFACE-EMITTING LASER (VCSEL) Final Rejection II-VI Delaware, Inc.

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