Prosecution Insights
Last updated: October 26, 2026

Michael Chiang, USPTO Patent Examiner

Listed by the USPTO as CHIANG, MICHAEL

Tech Center 2800 • Art Units: 2875

This examiner grants 71% of resolved cases

Analysis

CHIANG, MICHAEL works in tech center 2800 and art unit 2875, with 413 resolved cases. The allowance rate is 70.7%, and the median time to allowance is 648 days. The interview lift is 21.8%, indicating that interviews may improve outcomes within a relatively short median allowance timeline.

The principal companies are Toyoda Gosei Co., Ltd., Stanley Electric Co., Ltd., and Signify Holding B.V. The leading firms are COZEN O'CONNOR, KENEALY VAIDYA LLP, and Knobbe, Martens, Olson & Bear, LLP. The data supports prompt, focused prosecution with interview preparation available when needed.

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

Performance Statistics

70.7%
Allow Rate
+2.7% vs TC avg
430
Total Applications
+21.8%
Interview Lift
648
Avg Prosecution Days
Based on 413 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
24.2%
§102 Novelty
49.5%
§103 Obviousness
21.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19480423 DISPLAY DEVICE Non-Final OA LG Display Co., Ltd.
19481462 REFLECTOR CUP AND LUMINAIRE Non-Final OA SIGNIFY HOLDING B.V.
19482786 COLORED PROJECTION BY MULTI-LENS ARRAY PROJECTOR Non-Final OA ams-OSRAM Asia Pacific Pte. Ltd.
19475589 DISPLAY DEVICE AND TRANSPORT MEANS Non-Final OA Continental Automotive Technologies GmbH

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Frequently Asked Questions

What is examiner Michael Chiang's allowance rate?

70.7% of resolved applications examined by Michael Chiang were allowed (413 resolved cases), compared with 65.6% across Art Unit 2875 over the last five years.

Does an interview help with examiner Michael Chiang?

This examiner's interview lift is +21.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Michael Chiang take to allow a patent?

Applications allowed by Michael Chiang took 648 days on average from filing to allowance.

Which art unit does examiner Michael Chiang work in?

Michael Chiang examines applications in Art Unit 2875 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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