Prosecution Insights
Last updated: October 02, 2026

Examiner: BARKER, DAYTON HYUN JIN

Tech Center 3700 • Art Units: 2896 3795 3797

This examiner grants 71% of resolved cases

Analysis

Dayton Hyun Jin Barker operates in Art Unit 2896 within Tech Center 3700. The data for this examiner includes 6 resolved cases, showing an allowance rate of 83.3 percent. The median days to allowance is 814, suggesting the path to patent issuance for successful applications. These figures provide an initial look at the examiner's tendencies despite the current case volume. The 814-day median pendency is a benchmark for applicants in this unit.

An interview lift of 25.0 percent is reported, which suggests that direct communication is beneficial even when the baseline allowance rate is 83.3 percent. Although based on 6 resolved cases, the 25.0 percent lift highlights the potential for interviews to resolve prosecution hurdles. Practitioners should view the 83.3 percent allowance rate as an encouraging sign for new filings. Using the 25.0 percent lift can help mitigate several early rejections that may occur during the 814-day process.

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

Performance Statistics

71.4%
Allow Rate
+1.4% vs TC avg
21
Total Applications
+40.0%
Interview Lift
735
Avg Prosecution Days
Based on 7 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
25.5%
§102 Novelty
54.9%
§103 Obviousness
19.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19233209 SHEATHS FOR MEDICAL DEVICES AND RELATED METHODS Non-Final OA Boston Scientific Scimed, Inc.
19189273 ULTRASONIC ENDOSCOPE Non-Final OA FUJIFILM Corporation
19189280 ULTRASONIC ENDOSCOPE Non-Final OA FUJIFILM Corporation
18516865 ENDOSCOPE Non-Final OA FUJIFILM Corporation
19201545 SYSTEMS AND METHODS FOR DETECTING A HYDRATION CONDITION OF A FLEXBILE ELONGATED DEVICE Non-Final OA Intuitive Surgical Operations, Inc.
19074787 MEDICAL MANIPULATOR AND MEDICAL MANIPULATOR SYSTEM Non-Final OA OLYMPUS CORPORATION
18796848 IMAGE PICKUP UNIT AND ENDOSCOPE Final Rejection OLYMPUS MEDICAL SYSTEMS CORP.
18835937 URETEROSCOPES WITH LASER FIBER CHANNEL Non-Final OA C.R. BARD, INC.
19015007 ORAL SCANNER SYSTEM Non-Final OA Braun GmbH
19015080 ORAL SCANNER SYSTEM Non-Final OA Braun GmbH

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