Prosecution Insights
Last updated: October 27, 2026

Hailey Kyung Ae Do, USPTO Patent Examiner

Listed by the USPTO as DO, HAILEY KYUNG AE

Tech Center 3700 • Art Units: 3673 3753

This examiner grants 74% of resolved cases

Performance Statistics

74.1%
Allow Rate
+4.1% vs TC avg
738
Total Applications
+16.0%
Interview Lift
916
Avg Prosecution Days
Based on 713 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
22.3%
§102 Novelty
42.1%
§103 Obviousness
33.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19193060 Foot Support Systems Including Fluid Movement Controllers Non-Final OA NIKE, Inc.
18699948 GAS METERING VALVE Non-Final OA Robert Bosch GmbH
19202167 SWITCHING DEVICE Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
19048436 FLOW RATIO CONTROLLERS AND GAS DISTRIBUTION SYSTEMS UTILIZING FLOW RATIO CONTROLLERS Non-Final OA Illinois Tool Works Inc.
18791860 AUTOMATIC DRAIN VALVE, BATTERY, AND ELECTRIC APPARATUS Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
19219077 PNEUMATIC VALVE WITH AN SMA ACTUATOR Non-Final OA Conti Temic microelectronic GmbH
18895979 Control Valve Having Thermal Displacer for Limiting Thermal Conductivity Non-Final OA FISHER CONTROLS INTERNATIONAL LLC
18993646 A SOLENOID VALVE OF A NORMAL CLOSED TYPE WITH AN INTEGRATED CHECK VALVE Final Rejection ERAE AMS CO., LTD.

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Frequently Asked Questions

What is examiner Hailey Kyung Ae Do's allowance rate?

74.1% of resolved applications examined by Hailey Kyung Ae Do were allowed (713 resolved cases), compared with 46.4% across Art Unit 3673 over the last five years.

Does an interview help with examiner Hailey Kyung Ae Do?

This examiner's interview lift is +16.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Hailey Kyung Ae Do take to allow a patent?

Applications allowed by Hailey Kyung Ae Do took 916 days on average from filing to allowance.

Which art unit does examiner Hailey Kyung Ae Do work in?

Hailey Kyung Ae Do examines applications in Art Unit 3673 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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