Prosecution Insights
Last updated: October 26, 2026

Dayton Hyun Jin Barker, USPTO Patent Examiner

Listed by the USPTO as BARKER, DAYTON HYUN JIN

Tech Center 3700 • Art Units: 2896 3795 3797 3798

This examiner grants 71% of resolved cases

Analysis

BARKER, DAYTON HYUN JIN is assigned to Tech Center 3700 and Art Unit 2896. The profile contains 7 resolved cases, a 71.4% allowance rate, and a median of 735 days to allowance. The very small record limits the strength of any general inference, although most recorded matters reached allowance and the median period is comparatively contained within this profile.

The interview lift is 40.0%, providing a meaningful positive signal for interview use. The listed companies are Fujifilm Corporation, Olympus Corporation, and Boston Scientific Corporation. The leading firms are SCULLY SCOTT MURPHY & PRESSER, PC, Xsensus, and Bell & Manning, LLC. Practitioners should treat the figures as directional and tailor strategy to the individual application's technology and rejection history.

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
33
Total Applications
+40.0%
Interview Lift
735
Avg Prosecution Days
Based on 7 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
28.0%
§102 Novelty
49.3%
§103 Obviousness
22.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19189280 ULTRASONIC ENDOSCOPE Non-Final OA FUJIFILM Corporation
19189273 ULTRASONIC ENDOSCOPE Non-Final OA FUJIFILM Corporation
18516865 ENDOSCOPE Non-Final OA FUJIFILM Corporation
19233209 SHEATHS FOR MEDICAL DEVICES AND RELATED METHODS Non-Final OA Boston Scientific Scimed, Inc.
19201545 SYSTEMS AND METHODS FOR DETECTING A HYDRATION CONDITION OF A FLEXBILE ELONGATED DEVICE Non-Final OA Intuitive Surgical Operations, Inc.
18809780 MEDICAL MANIPULATOR SYSTEM AND CONTROLLER Final Rejection OLYMPUS MEDICAL SYSTEMS CORP.
18796848 IMAGE PICKUP UNIT AND ENDOSCOPE Final Rejection OLYMPUS MEDICAL SYSTEMS CORP.
19074766 MEDICAL MANIPULATOR AND MEDICAL MANIPULATOR SYSTEM Non-Final OA OLYMPUS CORPORATION

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Frequently Asked Questions

What is examiner Dayton Hyun Jin Barker's allowance rate?

71.4% of resolved applications examined by Dayton Hyun Jin Barker were allowed (7 resolved cases), compared with 78.3% across Art Unit 2896 over the last five years.

Does an interview help with examiner Dayton Hyun Jin Barker?

This examiner's interview lift is +40.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Dayton Hyun Jin Barker take to allow a patent?

Applications allowed by Dayton Hyun Jin Barker took 735 days on average from filing to allowance.

Which art unit does examiner Dayton Hyun Jin Barker work in?

Dayton Hyun Jin Barker examines applications in Art Unit 2896 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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