Prosecution Insights
Last updated: October 27, 2026

Matthew Daniel Hwang, USPTO Patent Examiner

Listed by the USPTO as HWANG, MATTHEW DANIEL

Tech Center 2800 • Art Units: 2831 2833

This examiner grants 85% of resolved cases

Analysis

HWANG, MATTHEW DANIEL handles cases in tech center 2800 and art unit 2831. The profile includes 151 resolved cases, an 84.8% allowance rate, and a median of 1082 days to allowance. The 6.7% interview lift is positive but modest, suggesting that interviews can help while the broader allowance result remains the more prominent feature of the record.

The leading companies are Rolex S.A., Casio Computer Co., Ltd., and ETA SA Manufacture Horlogère Suisse. SUGHRUE MION, PLLC, HOLTZ, HOLTZ & VOLEK PC, and HARNESS DICKEY (DETROIT) are the listed firms. Practitioners can use interviews for focused clarification, while maintaining careful written support for distinctions involving specialized products and technical configurations.

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

Performance Statistics

84.8%
Allow Rate
+16.8% vs TC avg
199
Total Applications
+6.7%
Interview Lift
1082
Avg Prosecution Days
Based on 151 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
18.2%
§102 Novelty
41.9%
§103 Obviousness
33.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19027787 Mechanical Watch And Method Of Assembling Mechanical Watch Non-Final OA SEIKO EPSON CORPORATION
18350328 Train Wheel Bridge Decorating Method, Train Wheel Bridge, And Timepiece Final Rejection SEIKO EPSON CORPORATION

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Frequently Asked Questions

What is examiner Matthew Daniel Hwang's allowance rate?

84.8% of resolved applications examined by Matthew Daniel Hwang were allowed (151 resolved cases), compared with 72.3% across Art Unit 2831 over the last five years.

Does an interview help with examiner Matthew Daniel Hwang?

This examiner's interview lift is +6.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Matthew Daniel Hwang take to allow a patent?

Applications allowed by Matthew Daniel Hwang took 1,082 days on average from filing to allowance.

Which art unit does examiner Matthew Daniel Hwang work in?

Matthew Daniel Hwang examines applications in Art Unit 2831 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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