Prosecution Insights
Last updated: April 19, 2026

Examiner: CHEN, SOPHIA S

Tech Center 2800 • Art Units: 2852

This examiner grants 96% of resolved cases

Performance Statistics

95.7%
Allow Rate
+27.7% vs TC avg
1565
Total Applications
+4.5%
Interview Lift
612
Avg Prosecution Days
Based on 1547 resolved cases, 2023–2026

Rejection Statute Breakdown

1.2%
§101 Eligibility
33.5%
§102 Novelty
35.2%
§103 Obviousness
20.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19058537 FIXING DEVICE Non-Final OA BROTHER KOGYO KABUSHIKI KAISHA
19052454 IMAGE FORMING APPARATUS INCLUDING DEVELOPING DEVICE SUPPORTING STRUCTURE HAVING GUIDE GROOVE 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
19010542 CARTRIDGE, TONER CARTRIDGE, AND IMAGE FORMING APPARATUS Non-Final OA CANON KABUSHIKI KAISHA
18987335 CARTRIDGE, ATTACHMENT AND MOUNTING KIT Non-Final OA CANON KABUSHIKI KAISHA
18975930 CIRCUIT, LIGHT-EMITTING DEVICE, AND IMAGE FORMING APPARATUS Non-Final OA CANON KABUSHIKI KAISHA
18911424 CARTRIDGE AND IMAGE FORMING APPARATUS Non-Final OA CANON KABUSHIKI KAISHA
19103708 LIGHT EMITTING MEMBERS Non-Final OA HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
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
18306220 FIXING DEVICE AND IMAGE FORMING APPARATUS Non-Final OA FUJIFILM Business Innovation Corp.
18932942 STORAGE ASSEMBLY AND MOUNTABLE UNIT Non-Final OA JIANGXI YIBO E-TECH CO. LTD.

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