Prosecution Insights
Last updated: October 26, 2026

Xinning Niu, USPTO Patent Examiner

Listed by the USPTO as NIU, XINNING

Tech Center 3600 • Art Units: 2828 2878 3646

This examiner grants 83% of resolved cases

Analysis

NIU, XINNING works in tech center 3600 and art unit 2828. The record includes 1039 resolved cases and an allowance rate of 82.6%. The median time to allowance is 897 days. Interview lift is 4.8%, indicating a modest positive association between interviews and allowance outcomes.

The leading companies are Ams-osram AG, Sony Group Corporation, and Waymo LLC. The principal firms are DINSMORE & SHOHL LLP, FAEGRE DRINKER BIDDLE & REATH LLP (DC), and FOLEY & LARDNER LLP. These recurring participants help identify relevant prosecution experience. The substantial case record and timing measure provide a practical basis for portfolio planning, while the interview figure suggests that interviews may be useful but are not the dominant feature of the reported outcomes.

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

Performance Statistics

82.6%
Allow Rate
+30.6% vs TC avg
1,070
Total Applications
+4.8%
Interview Lift
897
Avg Prosecution Days
Based on 1039 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%
§101 Eligibility
13.8%
§102 Novelty
69.6%
§103 Obviousness
9.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18685574 SURFACE EMITTING ELEMENT, LIGHT-EMITTING DEVICE, AND METHOD OF MANUFACTURING SURFACE EMITTING ELEMENT Non-Final OA SONY GROUP CORPORATION
18698416 OPTOELECTRONIC CONVERTER ELEMENT, OPTOELECTRONIC SEMICONDUCTOR DEVICE AND METHOD FOR PRODUCING AN OPTOELECTRONIC COMPONENT Non-Final OA ams-OSRAM International GmbH
18686032 METHOD FOR PRODUCING AT LEAST ONE LASER CHIP, AND LASER CHIP Non-Final OA ams-OSRAM International GMBH
18563049 OPTOELECTRONIC SEMICONDUCTOR CHIP AND COMPONENT Non-Final OA ams-OSRAM International GmbH
18683035 METHOD FOR DESIGNING PHASE MODULATION LAYER AND METHOD FOR PRODUCING LIGHT-EMITTING ELEMENT Non-Final OA HAMAMATSU PHOTONICS K.K.

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Frequently Asked Questions

What is examiner Xinning Niu's allowance rate?

82.6% of resolved applications examined by Xinning Niu were allowed (1,039 resolved cases), compared with 64.7% across Art Unit 2828 over the last five years.

Does an interview help with examiner Xinning Niu?

This examiner's interview lift is +4.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Xinning Niu take to allow a patent?

Applications allowed by Xinning Niu took 897 days on average from filing to allowance.

Which art unit does examiner Xinning Niu work in?

Xinning Niu examines applications in Art Unit 2828 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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