Prosecution Insights
Last updated: August 18, 2026

Examiner: CHANG, DANIEL CHEOLJIN

Tech Center 2600 • Art Units: 2669

This examiner grants 88% of resolved cases

Performance Statistics

88.4%
Allow Rate
+26.4% vs TC avg
164
Total Applications
+13.9%
Interview Lift
888
Avg Prosecution Days
Based on 147 resolved cases, 2023–2026

Rejection Statute Breakdown

7.5%
§101 Eligibility
14.2%
§102 Novelty
52.9%
§103 Obviousness
22.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18570471 METHOD AND DEVICE FOR SIMULTANEOUS LOCALIZATION AND MAPPING INITIALIZATION Non-Final OA BEIJING ZITIAO NETWORK TECHNOLOGY CO., LTD.
18805959 MEDICAL IMAGE PROCESSING Non-Final OA Siemens Healthineers AG
18428091 COMPUTER-READABLE RECORDING MEDIUM STORING POSTURE SPECIFYING PROGRAM, POSTURE SPECIFYING METHOD, AND INFORMATION PROCESSING APPARATUS Non-Final OA FUJITSU LIMITED

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