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Home / Examiner: CHEN, SOPHIA S
Last updated: May 29, 2026

Examiner: CHEN, SOPHIA S

Tech Center 2800 • Art Units: 2852

This examiner grants 96% of resolved cases

Performance Statistics

95.8%
Allow Rate
+27.8% vs TC avg
1,568
Total Applications
+4.4%
Interview Lift
531
Avg Prosecution Days
Based on 1558 resolved cases, 2023–2026

Rejection Statute Breakdown

2.0%
§101 Eligibility
20.9%
§102 Novelty
45.6%
§103 Obviousness
21.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19058537 FIXING DEVICE Non-Final OA BROTHER KOGYO KABUSHIKI KAISHA
19037549 IMAGE FORMING APPARATUS Non-Final OA CANON KABUSHIKI KAISHA
19025549 CONTAINER Non-Final OA CANON KABUSHIKI KAISHA
18975930 CIRCUIT, LIGHT-EMITTING DEVICE, AND IMAGE FORMING APPARATUS Non-Final OA CANON KABUSHIKI KAISHA
19064671 IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD Non-Final OA KYOCERA Document Solutions Inc.
19056674 CLEANING DEVICE AND IMAGE FORMING APPARATUS Non-Final OA KYOCERA Document Solutions Inc.
19013526 PROCESSING CARTRIDGE Non-Final OA Zhuhai Ninestar Information Technology Co. , Ltd
19103708 LIGHT EMITTING MEMBERS Non-Final OA HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

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Data sourced from USPTO Patent File Wrapper (daily) and Office Action Archive (weekly). Analysis generated by IP Author.

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