Prosecution Insights
Last updated: October 27, 2026

Toan C Ly, USPTO Patent Examiner

Listed by the USPTO as LY, TOAN C

Tech Center 2800 • Art Units: 2876 2887

This examiner grants 79% of resolved cases

Analysis

Toan C. Ly demonstrates high efficiency in Art Unit 2876, with 498 resolved cases and a median days to allowance of 804. An allowance rate of 79.1 percent suggests a favorable environment for applicants such as LG Electronics Inc. and Fujitsu Limited. The 804-day median pendency period indicates a streamlined review process in Tech Center 2800, allowing for relatively quick patent grants. This efficiency is a notable characteristic of the 498 resolved cases on this examiner's record.

The data shows an interview lift of 19.7 percent, providing a clear incentive for firms like Birch Stewart Kolasch & Birch, LLP to request interviews. This lift significantly enhances the already strong 79.1 percent baseline allowance rate, making personal communication a key component of a successful prosecution strategy. For Dilworth IP, LLC and McDonnell Boehnen Hulbert & Berghoff LLP, the 19.7 percent lift offers a reliable method to resolve technical issues. The 804-day timeline combined with the 79.1 percent success rate makes this a productive venue for Smart Packaging Solutions.

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

Performance Statistics

79.1%
Allow Rate
+11.1% vs TC avg
510
Total Applications
+19.7%
Interview Lift
804
Avg Prosecution Days
Based on 498 resolved cases, 2023–2026

Rejection Statute Breakdown

3.2%
§101 Eligibility
27.9%
§102 Novelty
56.6%
§103 Obviousness
9.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18376496 CHARGER Non-Final OA LG ELECTRONICS INC.
19325599 FRAUD DETECTION APPARATUS AND FRAUD DETECTION SYSTEM Non-Final OA Fujitsu Limited

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Frequently Asked Questions

What is examiner Toan C Ly's allowance rate?

79.1% of resolved applications examined by Toan C Ly were allowed (498 resolved cases), compared with 77.7% across Art Unit 2876 over the last five years.

Does an interview help with examiner Toan C Ly?

This examiner's interview lift is +19.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Toan C Ly take to allow a patent?

Applications allowed by Toan C Ly took 804 days on average from filing to allowance.

Which art unit does examiner Toan C Ly work in?

Toan C Ly examines applications in Art Unit 2876 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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