Prosecution Insights
Last updated: October 26, 2026

Shien Ming Chou, USPTO Patent Examiner

Listed by the USPTO as CHOU, SHIEN MING

Tech Center 3600 • Art Units: 2122 3612 3666 3667

This examiner grants 60% of resolved cases

Analysis

Shien Ming Chou works in Tech Center 3600 and Art Unit 2122. He has 114 resolved cases and an allowance rate of 59.6 percent. The median days to allowance is 1408. These metrics provide a baseline for applicants regarding the likelihood of a grant and the typical duration of the prosecution process in this art unit.

The interview lift is 27.7 percent. This suggests that interviews are an effective tool for increasing the chances of allowance over the 59.6 percent baseline. Practitioners may find that oral advocacy is particularly useful for overcoming rejections and advancing applications toward a grant within the 1408-day median timeline.

Top companies include Toyota Motor Corporation, Zoox Inc., and Intel Corporation. The firms Armis Intellectual Property Law, LLC, Hanley, Flight and Zimmerman, LLC, and LEE & HAYES, P.C. are frequently involved. These entities utilize the 27.7 percent interview lift to improve their 59.6 percent baseline allowance rate.

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

Performance Statistics

59.6%
Allow Rate
+7.6% vs TC avg
134
Total Applications
+27.7%
Interview Lift
1408
Avg Prosecution Days
Based on 114 resolved cases, 2023–2026

Rejection Statute Breakdown

14.7%
§101 Eligibility
16.5%
§102 Novelty
49.4%
§103 Obviousness
18.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18397971 Driving Policy Layer for High-Definition (HD) Mapping Platform Non-Final OA QUALCOMM Incorporated
18634115 DEEP LEARNING-BASED REAL-TIME DETECTION AND CORRECTION OF COMPROMISED SENSORS IN AUTONOMOUS MACHINES Non-Final OA Intel Corporation
19029232 VEHICLE RANGE Final Rejection Ford Global Technologies, LLC

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Who Appears Before This Examiner

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Frequently Asked Questions

What is examiner Shien Ming Chou's allowance rate?

59.6% of resolved applications examined by Shien Ming Chou were allowed (114 resolved cases), compared with 31.6% across Art Unit 2122 over the last five years.

Does an interview help with examiner Shien Ming Chou?

This examiner's interview lift is +27.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Shien Ming Chou take to allow a patent?

Applications allowed by Shien Ming Chou took 1,408 days on average from filing to allowance.

Which art unit does examiner Shien Ming Chou work in?

Shien Ming Chou examines applications in Art Unit 2122 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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