Prosecution Insights
Last updated: October 02, 2026

Examiner: LU, HAOTIAN

Tech Center 3700 • Art Units: 2898 3746 3753

This examiner grants 61% of resolved cases

Analysis

Haotian Lu serves in Art Unit 2898 within Tech Center 3700. With 33 resolved cases, the examiner has an allowance rate of 60.6 percent. This figure provides a clear expectation for the likelihood of a grant in this unit. Practitioners can use the 60.6 percent rate to inform their clients about the baseline probability of success when their application is assigned to this examiner.

The interview lift is 37.3 percent. This significant lift suggests that interviews are highly effective for resolving issues and securing an allowance. Practitioners should consider the 37.3 percent lift as a strong incentive to engage the examiner in verbal discussion, as it substantially improves the odds of a favorable outcome compared to written responses alone. Direct communication appears to be a key success factor.

The median days to allowance is 1105. This timeline represents the typical duration for successful applications, spanning approximately three years. The 60.6 percent allowance rate and 1105-day median offer a baseline for planning prosecution timelines in Art Unit 2898. These metrics help practitioners manage both the expected outcome and the time required to reach it.

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

Performance Statistics

60.6%
Allow Rate
-9.4% vs TC avg
65
Total Applications
+37.3%
Interview Lift
1105
Avg Prosecution Days
Based on 33 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%
§101 Eligibility
14.0%
§102 Novelty
63.0%
§103 Obviousness
22.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18347343 Roller Set Having a Burnishing Roller Final Rejection Victaulic Company
18286141 Fuel Line Comprising Insulation, and Pressure Vessel System Final Rejection Bayerische Motoren Werke Aktiengesellschaft
18683463 BURIED PIPE Non-Final OA NIPPON TELEGRAPH AND TELEPHONE CORPORATION
18726139 CAP BELLOWS ASSEMBLY AND ACCUMULATOR Non-Final OA NHK SPRING CO., LTD
18954830 HOSE WITH INDICATOR Non-Final OA BRIDGESTONE CORPORATION
18579032 RUBBER COMPOSITION FOR HOSE INNER TUBE, LAMINATED BODY, AND HOSE Final Rejection BRIDGESTONE CORPORATION
18695922 MULTILAYER TUBULAR STRUCTURE HAVING A LOW EXTRACTABLES CONTENT FOR TRANSPORTING HYDROGEN Non-Final OA ARKEMA FRANCE
18373920 PIPE REPAIR STENT WITH FRICTION ELEMENTS Non-Final OA Mueller International, LLC
18257864 COMPOSITE TUBING Non-Final OA Cytec Industries Inc.
18250982 STEEL PIPE FOR HIGH-PRESSURE HYDROGEN PIPING AND HIGH-PRESSURE HYDROGEN PIPING USING SAME Non-Final OA KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION

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