Prosecution Insights
Last updated: October 26, 2026

Bret P Chen, USPTO Patent Examiner

Listed by the USPTO as CHEN, BRET P

Tech Center 3700 • Art Units: 1715 1718 1784 1789 1792 1795 2818 2837 2899 3774

This examiner grants 84% of resolved cases

Analysis

CHEN, BRET P is a USPTO patent examiner in tech center 3700 and art unit 1715. The profile covers 1156 resolved cases, an allowance rate of 84.5%, and a median of 960 days to allowance. The interview lift is 16.3%, showing a positive association between interviews and allowance outcomes while remaining smaller than the overall allowance measure.

The listed companies are Lam Research Corporation, Applied Materials Inc., and Tokyo Electron Limited. The listed firms are VOLPE KOENIG, HARNESS, DICKEY & PIERCE, P.L.C., and IP & T GROUP LLP. The combination of extensive examination history and semiconductor-focused applicants makes the profile useful for prosecution planning in related technology matters.

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

Performance Statistics

84.5%
Allow Rate
+14.5% vs TC avg
1,184
Total Applications
+16.3%
Interview Lift
960
Avg Prosecution Days
Based on 1156 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
7.2%
§102 Novelty
52.2%
§103 Obviousness
28.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19021901 METHOD FOR SELECTIVE DEPOSITION OF METAL LAYER Non-Final OA University-Industry Cooperation Group Of Kyung Hee University
19110207 LAYERED METAL OXIDE-SILICON OXIDE FILMS Non-Final OA Lam Research Corporation
18837560 LOW RESISTANCE MOLYBDENUM DEPOSITION FOR LOGIC SOURCE/DRAIN CONTACTS Non-Final OA Lam Research Corporation
19210017 FILM FORMING METHOD AND PLASMA PROCESSING APPARATUS Non-Final OA Tokyo Electron Limited
18556569 FILM FORMING METHOD AND FILM FORMING APPARATUS Final Rejection TOKYO ELECTRON LIMITED
18628243 ENVIRONMENTAL BARRIER COATINGS Non-Final OA RTX CORPORATION
18790596 POST-GAP FILL TREATMENT FOR SEAM REDUCTION Non-Final OA Applied Materials, Inc.
18666435 RF PULSING ASSISTED LOW-K MATERIAL DEPOSITION WITH HIGH DENSITY Non-Final OA Applied Materials, Inc.
19228490 METHOD FOR DEPOSITING TARGET MATERIAL IN DEPOSITION CHAMBER WITH TILTABLE WORKPIECE HOLDER Non-Final OA Taiwan Semiconductor Manufacturing Co., Ltd.

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Frequently Asked Questions

What is examiner Bret P Chen's allowance rate?

84.5% of resolved applications examined by Bret P Chen were allowed (1,156 resolved cases), compared with 51.6% across Art Unit 1715 over the last five years.

Does an interview help with examiner Bret P Chen?

This examiner's interview lift is +16.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Bret P Chen take to allow a patent?

Applications allowed by Bret P Chen took 960 days on average from filing to allowance.

Which art unit does examiner Bret P Chen work in?

Bret P Chen examines applications in Art Unit 1715 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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