Prosecution Insights
Last updated: October 26, 2026

Khoa Tan Le, USPTO Patent Examiner

Listed by the USPTO as LE, KHOA TAN

Tech Center 3700 • Art Units: 2688 3771 3774 3783 3796

This examiner grants 75% of resolved cases

Analysis

Khoa Tan Le has resolved 61 cases in Art Unit 2688 with an allowance rate of 75.4 percent. The interview lift is significant at 41.7 percent, suggesting that interviews are extremely effective for securing an allowance. This 41.7 percent lift is a primary strategic factor for practitioners in Tech Center 3700, as it represents a substantial increase over the 75.4 percent base rate for successful applications.

The median days to allowance is 1015. Top companies include Boston Scientific Corporation, Bard Peripheral Vascular Inc., and Canon Inc. Firms like Dinsmore & Shohl LLP, DICKE, BILLIG & CZAJA, and DORSEY & WHITNEY LLP - Seattle manage cases here. The 75.4 percent allowance rate and 1015 median days to allowance define the typical experience with this examiner, while the 41.7 percent interview lift remains the most impactful tool for securing a grant.

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

Performance Statistics

75.4%
Allow Rate
+5.4% vs TC avg
100
Total Applications
+41.7%
Interview Lift
1015
Avg Prosecution Days
Based on 61 resolved cases, 2023–2026

Rejection Statute Breakdown

1.1%
§101 Eligibility
31.9%
§102 Novelty
50.4%
§103 Obviousness
14.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18785593 CONTINUUM ROBOT AND INFORMATION PROCESSING APPARATUS Non-Final OA CANON KABUSHIKI KAISHA
18087699 U Guide for Scalpel Tip Non-Final OA Bard Access Systems, Inc.
18147994 INJECTOR DEVICES FOR DELIVERING MATERIAL TO VASCULAR DEFECTS AND ASSOCIATED SYSTEMS AND METHODS Non-Final OA Covidien LP
18655169 DEVICES, SYSTEMS, AND METHODS FOR PERFORMING A PROCEDURE WITH RESPECT TO TISSUE Non-Final OA Boston Scientific Scimed, Inc.
19259415 AUTOMATED ROTATION OF A NEEDLE IN A COMPUTER-ASSISTED SYSTEM Non-Final OA INTUITIVE SURGICAL OPERATIONS, INC.
18319311 REMOTE CENTERS AND STABILITY SYSTEMS FOR ROBOTIC MEDICAL SYSTEMS Final Rejection Cilag GmbH International
19020029 PRESSURE-INDUCED MODULATION SYSTEMS Non-Final OA EDWARDS LIFESCIENCES CORPORATION

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Frequently Asked Questions

What is examiner Khoa Tan Le's allowance rate?

75.4% of resolved applications examined by Khoa Tan Le were allowed (61 resolved cases), compared with 70.3% across Art Unit 2688 over the last five years.

Does an interview help with examiner Khoa Tan Le?

This examiner's interview lift is +41.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Khoa Tan Le take to allow a patent?

Applications allowed by Khoa Tan Le took 1,015 days on average from filing to allowance.

Which art unit does examiner Khoa Tan Le work in?

Khoa Tan Le examines applications in Art Unit 2688 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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