Prosecution Insights
Last updated: October 26, 2026

Rong Le, USPTO Patent Examiner

Listed by the USPTO as LE, RONG

Tech Center 4100 • Art Units: 2421 2423 2425 4100

This examiner grants 68% of resolved cases

Analysis

Rong Le examines in Tech Center 4100 and Art Unit 2421. The profile includes 457 resolved cases, with a 68.5% allowance rate and a median of 1194 days to allowance. Allowed outcomes form a majority of the record, while the median indicates an extended prosecution period.

The interview lift is 29.5%, making interviews a relevant consideration for prosecution strategy. Practitioners may use them to clarify disputed claim scope while planning for the reported timing. The listed companies are Beijing Zitiao Network Technology Co., Ltd., Samsung Electronics Co., Ltd., and LG Electronics Inc. The listed firms are SUGHRUE MION, PLLC, Astute IP Law Group, and BakerHostetler.

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

Performance Statistics

68.5%
Allow Rate
+8.5% vs TC avg
485
Total Applications
+29.5%
Interview Lift
1194
Avg Prosecution Days
Based on 457 resolved cases, 2023–2026

Rejection Statute Breakdown

5.8%
§101 Eligibility
12.7%
§102 Novelty
61.6%
§103 Obviousness
11.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19099605 TV AND TV CONTROL METHOD Final Rejection LG ELECTRONICS INC.
18786030 ELECTRONIC DEVICE AND OPERATION METHOD OF ELECTRONIC DEVICE Final Rejection SAMSUNG ELECTRONICS CO., LTD.
18993511 FAVORITES PROCESSING METHOD, APPARATUS, AND DEVICE, AND STORAGE MEDIUM Non-Final OA Beijing Zitiao Network Technology Co., Ltd.
18858279 METHOD, APPARATUS, DEVICE, READABLE STORAGE MEDIUM AND PRODUCT FOR DISPLAYING LIVE STREAMING CONTENT Non-Final OA Beijing Zitiao Network Technology Co., Ltd.
19201849 IDENTIFYING CHANNEL FEATURE RECOMMENDATIONS FOR A CHANNEL MEMBERSHIP ON A CONTENT PLATFORM Final Rejection Google LLC

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Frequently Asked Questions

What is examiner Rong Le's allowance rate?

68.5% of resolved applications examined by Rong Le were allowed (457 resolved cases), compared with 66.7% across Art Unit 2421 over the last five years.

Does an interview help with examiner Rong Le?

This examiner's interview lift is +29.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Rong Le take to allow a patent?

Applications allowed by Rong Le took 1,194 days on average from filing to allowance.

Which art unit does examiner Rong Le work in?

Rong Le examines applications in Art Unit 2421 in Tech Center 4100.

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