Prosecution Insights
Last updated: October 27, 2026

Bumsuk Won, USPTO Patent Examiner

Listed by the USPTO as WON, BUMSUK

Tech Center 3600 • Art Units: 2800 2834 2871 2872 2875 2889 3633

This examiner grants 62% of resolved cases

Analysis

WON, BUMSUK is a USPTO patent examiner in tech center 3600 and art unit 2800. The record contains 460 resolved cases, with an allowance rate of 62.2% and a median of 1193 days to allowance. The interview lift of 24.3% shows a positive association with allowance, although the overall allowance rate indicates that prosecution outcomes remain mixed.

The company list includes Murata Manufacturing Co., Ltd. and Aac Technologies (Nanjing) Co. Ltd. The leading firm is Wiersch Law Group. Practitioners handling this docket should account for a lengthy path to allowance and consider interviews as one component of a broader response plan. The data support issue-focused engagement rather than assuming that an interview alone will resolve prosecution barriers.

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

Performance Statistics

62.2%
Allow Rate
+10.2% vs TC avg
467
Total Applications
+24.3%
Interview Lift
1193
Avg Prosecution Days
Based on 460 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
21.1%
§102 Novelty
56.9%
§103 Obviousness
17.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18537872 ACOUSTIC WAVE DEVICE Non-Final OA Murata Manufacturing Co., Ltd.

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Frequently Asked Questions

What is examiner Bumsuk Won's allowance rate?

62.2% of resolved applications examined by Bumsuk Won were allowed (460 resolved cases), compared with 69.7% across Art Unit 2800 over the last five years.

Does an interview help with examiner Bumsuk Won?

This examiner's interview lift is +24.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Bumsuk Won take to allow a patent?

Applications allowed by Bumsuk Won took 1,193 days on average from filing to allowance.

Which art unit does examiner Bumsuk Won work in?

Bumsuk Won examines applications in Art Unit 2800 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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