Prosecution Insights
Last updated: October 02, 2026

Examiner: LE, RONG

Tech Center 4100 • Art Units: 2421 2423 2425 4100

This examiner grants 68% of resolved cases

Analysis

Rong Le is an examiner in Art Unit 2421, within Tech Center 4100. He has a history of 455 resolved cases, which provides a clear picture of his prosecution trends. The allowance rate is 68.4 percent, showing a fair and consistent approach to examination. A standout figure in his data is the interview lift of 29.5 percent. This indicates that interviews are highly effective and can substantially increase the likelihood of a successful outcome. Practitioners should consider the 29.5 percent lift as a vital component of their strategy.

The median time to allowance is 1196 days, which is nearly three and a half years. This 1196-day timeline is an important consideration for applicants when budgeting and setting expectations. The 29.5 percent interview lift is one of the higher figures in this tech center, making it a very valuable tool for practitioners. The 68.4 percent allowance rate suggests that while the process may take time, there is a good chance of success. With 455 resolved cases, the examiner has a well-established pattern of behavior. The 1196-day median pendency should be factored into any long-term patent strategy. Practitioners in Art Unit 2421 should leverage the lift to navigate the examination process more effectively.

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

Performance Statistics

68.4%
Allow Rate
+8.4% vs TC avg
479
Total Applications
+29.5%
Interview Lift
1196
Avg Prosecution Days
Based on 455 resolved cases, 2023–2026

Rejection Statute Breakdown

5.9%
§101 Eligibility
12.5%
§102 Novelty
61.7%
§103 Obviousness
11.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19099605 TV AND TV CONTROL METHOD Final Rejection LG ELECTRONICS INC.
19186426 SERVER AND METHOD FOR CONTROLLING SERVER Final Rejection SAMSUNG ELECTRONICS CO., LTD.
18786030 ELECTRONIC DEVICE AND OPERATION METHOD OF ELECTRONIC DEVICE Final Rejection SAMSUNG ELECTRONICS CO., LTD.
18763568 CUSTOM ZONING FOR ADDRESSABLE TELEVISION ADVERTISEMENTS Non-Final OA GOOGLE LLC
18933375 SYSTEMS AND METHODS FOR SCHEDULING A COMMUNICATION SESSION BASED ON MEDIA ASSET COMMUNICATION DATA Non-Final OA Adeia Guides Inc.
18881650 LIVE BROADCAST DATA PROCESSING METHOD AND APPARATUS 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.
19261363 AUDIO DUPLICATION AND REDIRECTION SYSTEM Non-Final OA ROKU, INC.
18432643 INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, TRANSMISSION APPARATUS, AND TRANSMISSION METHOD Non-Final OA SATURN LICENSING LLC
18291736 METHOD, APPARATUS, ELECTRONIC DEVICE AND STORAGE MEDIUM FOR DISPLAYING PROMPT INFORMATION Non-Final OA Beijing Bytedance Network Technology Co., Ltd.

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