Prosecution Insights
Last updated: October 27, 2026

Davina En-Yin Lee, USPTO Patent Examiner

Listed by the USPTO as LEE, DAVINA EN-YIN

Tech Center 3700 • Art Units: 3794

This examiner grants 38% of resolved cases

Analysis

LEE, DAVINA EN-YIN has 58 resolved cases and a 37.9% allowance rate. The interview lift is 15.2%, and the median time to allowance is 1419 days. This record is associated with Tech Center 3700 and Art Unit 3794. The allowance rate indicates that obtaining allowance has been difficult in the resolved matters, while the positive interview lift supports considering interviews as part of a focused strategy. The 1419-day median makes prosecution duration a significant planning factor.

The listed companies are Biosense Webster (Israel) Ltd., Boston Scientific Corporation, and Terumo Corporation. The leading firms are BUCHANAN INGERSOLL & ROONEY PC, ARENTFOX SCHIFF LLP, and BROWN RUDNICK LLP. The medical-device concentration gives practitioners useful context for claim development and technical explanation in this docket.

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

Performance Statistics

37.9%
Allow Rate
-32.1% vs TC avg
110
Total Applications
+15.2%
Interview Lift
1419
Avg Prosecution Days
Based on 58 resolved cases, 2023–2026

Rejection Statute Breakdown

1.2%
§101 Eligibility
10.9%
§102 Novelty
55.3%
§103 Obviousness
31.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19172370 ELECTRIC FIELD APPLICATION FOR SINGLE SHOT CARDIAC ABLATION BY IRREVERSIBLE ELECTROPORATION Non-Final OA Boston Scientific Scimed, Inc
17704347 Medical Device Final Rejection TERUMO KABUSHIKI KAISHA
18853415 Flexible Microelectrode Arrays Non-Final OA Nikon Corporation
18702014 Implantable Medical Device for Sensing Physiological Signals Final Rejection BIOTRONIK SE & Co. KG
18151693 NON-DRYING ELECTROLYTE GELS FOR SOFT ELECTRODES Final Rejection Meta Platforms Technologies, LLC
18055481 BASKET CATHETER WITH FORCE SENSOR HAVING BAYONET MOUNT Non-Final OA Biosense Webster (Israel) Ltd.
17825233 PORT AND DEPTH STOP AND TIP FEATURES FOR TRANSSEPTAL PUNCTURE APPARATUS Final Rejection Biosense Webster (Israel) Ltd.
17479272 ABLATING A REGION OF PATIENT ORGAN USING SELECTED ABLATION ELECTRODES OF AN EXPANDABLE CATHETER Final Rejection BIOSENSE WEBSTER (ISRAEL) LTD.
18825265 TREATMENT TOOL Final Rejection OLYMPUS CORPORATION
17344780 ALIGNMENT TOOL FOR CHEST-WORN SENSOR DEVICE Final Rejection Analog Devices, Inc.
18976076 SYSTEMS AND METHODS FOR ADAPTIVE NEUROMODULATION BASED ON EVOKED RESPONSES Non-Final OA Boston Scientific Neuromodulation Corporation
18870608 BIOLOGICAL SENSOR Non-Final OA NITTO DENKO CORPORATION
17756069 VASCULAR ACCESS DEVICES, SYSTEMS, AND METHODS FOR MONITORING PATIENT HEALTH Final Rejection VERIS HEALTH INC.
17674212 SYSTEMS AND METHODS FOR NERVE FIBER CONDUCTION BLOCK Final Rejection Duke University
17419565 MOBILE ITCHING TREATMENT DEVICE WITH INTERFACE Final Rejection DERMAPHARM AG

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Frequently Asked Questions

What is examiner Davina En-Yin Lee's allowance rate?

37.9% of resolved applications examined by Davina En-Yin Lee were allowed (58 resolved cases), compared with 60.1% across Art Unit 3794 over the last five years.

Does an interview help with examiner Davina En-Yin Lee?

This examiner's interview lift is +15.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Davina En-Yin Lee take to allow a patent?

Applications allowed by Davina En-Yin Lee took 1,419 days on average from filing to allowance.

Which art unit does examiner Davina En-Yin Lee work in?

Davina En-Yin Lee examines applications in Art Unit 3794 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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