Prosecution Insights
Last updated: October 04, 2026

Examiner: WON, BUMSUK

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

This examiner grants 62% of resolved cases

Analysis

Bumsuk Won has a portfolio of 457 resolved cases across Tech Center 3600 and Art Unit 2800. The allowance rate is 62.1 percent, showing that a majority of cases reach a favorable conclusion. This rate establishes a positive baseline for applicants navigating the examination process in this docket.

The median time to reach an allowance is 1191 days. This duration serves as a standard for applicants to measure their progress through the examination phase and helps in estimating the time to grant. The 457 resolved cases provide a robust data set for these timing and success metrics.

The interview lift of 24.1 percent indicates that interviews are a productive mechanism for increasing the chances of success. This lift adds substantial value to the 62.1 percent baseline allowance rate. Practitioners should consider the 1191-day median pendency when deciding the optimal time to request an interview to resolve outstanding rejections.

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

Performance Statistics

62.1%
Allow Rate
+10.1% vs TC avg
461
Total Applications
+24.1%
Interview Lift
1191
Avg Prosecution Days
Based on 457 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
20.8%
§102 Novelty
57.2%
§103 Obviousness
17.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18537872 ACOUSTIC WAVE DEVICE Non-Final OA Murata Manufacturing Co., Ltd.
18536305 ACOUSTIC WAVE DEVICE Non-Final OA Murata Manufacturing Co., Ltd.
18525953 ACOUSTIC WAVE DEVICE Non-Final OA Murata Manufacturing Co., Ltd.
18524193 MULTIPLE MEMBRANE THICKNESS WAFERS USING LAYER TRANSFER ACOUSTIC RESONATORS AND METHOD OF MANUFACTURING SAME Non-Final OA Murata Manufacturing Co., Ltd.
18218409 SELECTIVE LASER PATTERNING ON PIEZOELECTRIC THIN FILMS FOR PIEZOELECTRIC DEVICE FABRICATION Non-Final OA Applied Materials, Inc.
18391619 PIEZOELECTRIC RESONATOR AND MANUFACTURING METHOD THEREOF Non-Final OA AAC Technologies (Nanjing) Co., Ltd.
17987660 EXCITATION ELECTRODE, QUARTZ CRYSTAL VIBRATOR ELEMENT, QUARTZ CRYSTAL VIBRATOR, SENSOR, OSCILLATOR, AND METHOD OF MANUFACTURING QUARTZ CRYSTAL VIBRATOR ELEMENT Non-Final OA SII Crystal Technology Inc.

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