Prosecution Insights
Last updated: October 27, 2026

Xiao En Mo, USPTO Patent Examiner

Listed by the USPTO as MO, XIAO EN

Tech Center 3700 • Art Units: 3747

This examiner grants 81% of resolved cases

Analysis

MO, XIAO EN is assigned to tech center 3700 and art unit 3747. The record contains 372 resolved cases and an allowance rate of 80.6%. The median time to allowance is 779 days. Interview lift is 6.0%, showing a small interview-associated change relative to the overall allowance result.

The principal companies are Toyota Motor Corporation, Liebherr Machines Bulle SA, and Emerson Electric Co. The principal firms are MCCOY RUSSELL LLP, COZEN O'CONNOR, and MAIER & MAIER, PLLC. Practitioners can use the high allowance rate and shorter median duration to frame expected prosecution effort, while treating interviews as a targeted rather than central tactic.

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

Performance Statistics

80.6%
Allow Rate
+10.6% vs TC avg
390
Total Applications
+6.0%
Interview Lift
779
Avg Prosecution Days
Based on 372 resolved cases, 2023–2026

Rejection Statute Breakdown

5.9%
§101 Eligibility
28.4%
§102 Novelty
42.5%
§103 Obviousness
19.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19221946 HYDROGEN ENGINE Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
19077058 CONTROLLER FOR FORCED-INDUCTION ENGINE Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18777384 SINGLE STAGE HIGH EFFICIENCY VAPOR MANAGEMENT VALVE Non-Final OA Eaton Intelligent Power Limited
19336840 ELECTROMECHANICAL STEERING SYSTEM, METHOD FOR OPERATING SUCH A SYSTEM AND VEHICLE Non-Final OA AUDI AG
18922154 Turbo-Boost Control System Final Rejection K&N Engineering, Inc.

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Frequently Asked Questions

What is examiner Xiao En Mo's allowance rate?

80.6% of resolved applications examined by Xiao En Mo were allowed (372 resolved cases), compared with 69.1% across Art Unit 3747 over the last five years.

Does an interview help with examiner Xiao En Mo?

This examiner's interview lift is +6.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Xiao En Mo take to allow a patent?

Applications allowed by Xiao En Mo took 779 days on average from filing to allowance.

Which art unit does examiner Xiao En Mo work in?

Xiao En Mo examines applications in Art Unit 3747 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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