Prosecution Insights
Last updated: October 26, 2026

Frank S Chen, USPTO Patent Examiner

Listed by the USPTO as CHEN, FRANK S

Tech Center 3600 • Art Units: 2611 2668 2677 3615

This examiner grants 82% of resolved cases

Analysis

CHEN, FRANK S is a USPTO patent examiner in tech center 3600 and art unit 2611. The profile records 684 resolved cases, an allowance rate of 82.3%, and a median of 730 days to allowance. The interview lift is 8.4%, indicating a positive but limited interview-associated difference compared with the overall allowance result.

The listed companies are Snap Inc., Samsung Electronics Co., Ltd., and Apple Inc. The listed firms are DOWNS RACHLIN MARTIN PLLC, HG Law LLP (Adeia), and HOGAN LOVELLS US LLP. The case volume and median timing provide a substantial planning base, while the applicant and firm listings identify recurring participants in the record.

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

Performance Statistics

82.3%
Allow Rate
+30.3% vs TC avg
707
Total Applications
+8.4%
Interview Lift
730
Avg Prosecution Days
Based on 684 resolved cases, 2023–2026

Rejection Statute Breakdown

10.9%
§101 Eligibility
5.4%
§102 Novelty
62.0%
§103 Obviousness
10.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18665657 ELECTRONIC PICTURE FRAME AND IMAGE DISPLAY METHOD THEREOF Final Rejection SAMSUNG ELECTRONICS CO., LTD.
19026161 METHODS FOR MANIPULATING OBJECTS IN AN ENVIRONMENT Non-Final OA Apple Inc.
19058849 INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND STORAGE MEDIUM FOR PRESENTING VIRTUAL OBJECT Non-Final OA CANON KABUSHIKI KAISHA
19120178 METHOD FOR IMAGE PROCESSING, APPARATUS, ELECTRONIC DEVICE AND STORAGE MEDIUM Non-Final OA Beijing Zitiao Network Technology Co., Ltd.
18825217 DATA GENERATOR AND DATA GENERATING METHOD Final Rejection Panasonic Intellectual Property Corporation of America
19018714 RAY TRACING WITH SHARED TRAVERSAL Non-Final OA Microsoft Technology Licensing, LLC
18937246 COMPACT NEAR EYE DISPLAY ENGINE Final Rejection TEXAS INSTRUMENTS INCORPORATED
18641954 LIGHT TRANSPORT SIMULATION FOR TRANSLUCENT PARTICLES IN CONTENT GENERATION SYSTEMS AND APPLICATIONS Final Rejection Nvidia Corporation

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Frequently Asked Questions

What is examiner Frank S Chen's allowance rate?

82.3% of resolved applications examined by Frank S Chen were allowed (684 resolved cases), compared with 70.5% across Art Unit 2611 over the last five years.

Does an interview help with examiner Frank S Chen?

This examiner's interview lift is +8.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Frank S Chen take to allow a patent?

Applications allowed by Frank S Chen took 730 days on average from filing to allowance.

Which art unit does examiner Frank S Chen work in?

Frank S Chen examines applications in Art Unit 2611 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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