Prosecution Insights
Last updated: October 02, 2026

Examiner: ZONG, RUOLEI

Tech Center 2400 • Art Units: 2441 2445 2447 2449

This examiner grants 87% of resolved cases

Analysis

Ruolei Zong manages a large volume of 952 resolved cases in Tech Center 2400. Based in Art Unit 2441, the examiner exhibits an allowance rate of 86.9 percent. This high percentage indicates a very favorable environment for patent applicants. The median days to allowance is 847, providing a specific timeframe for the typical duration of successful prosecution.

The data shows an interview lift of 12.1 percent. This figure implies that engaging in an interview further improves the chances of allowance beyond the initial 86.9 percent rate. With 952 resolved cases, the statistical reliability of these figures is high. Practitioners should view the 86.9 percent allowance rate as a strong baseline for success in Art Unit 2441. The 847 days to allowance suggests a steady pace of resolution. Utilizing the 12.1 percent interview lift can be a decisive factor in securing a grant for more complex applications.

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

Performance Statistics

86.9%
Allow Rate
+28.9% vs TC avg
964
Total Applications
+12.1%
Interview Lift
847
Avg Prosecution Days
Based on 952 resolved cases, 2023–2026

Rejection Statute Breakdown

13.3%
§101 Eligibility
5.5%
§102 Novelty
47.1%
§103 Obviousness
17.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19094318 METHOD AND APPARATUS FOR MANAGING NETWORK FUNCTION IN COMMUNICATION SYSTEM Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
19207724 CUSTOMIZED DIGITAL AVATAR ACCESSORIES Non-Final OA Snap Inc.
19032603 COMMUNICATION METHOD AND COMMUNICATION APPARATUS Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
19209133 Subscription and notification methods, and entities configured for implementing these methods Non-Final OA ORANGE
19250417 MULTIPLE DATA CENTER COMPATIBLE DEPLOYMENT OF APPLICATIONS MATCHING A WILDCARD DOMAIN NAME Non-Final OA Palo Alto Networks, Inc.
19264626 METHODS, ARCHITECTURES, APPARATUSES AND SYSTEMS DIRECTED TO ENABLERS FOR BLOCKCHAIN-ENABLED WIRELESS SYSTEMS Non-Final OA InterDigital Patent Holdings, Inc.
18940312 METHOD FOR ANALYTICS DATA RETRIEVAL AND CORRESPONDING APPARATUS Final Rejection Interdigital Patent Holdings, Inc.
19198893 METHOD FOR RESERVATION-BASED SENSING AND COMMUNICATION SYSTEM PROVIDING THE SAME Non-Final OA Electronics and Telecommunications Research Institute
19232439 AI/ML CHATBOT FOR NEGOTIATIONS Non-Final OA STATE FARM MUTUAL AUTOMOBILE INSURANCE COMPANY
19058648 DETERMINING METRICS INCLUDING RESOURCE EXPENDITURES OF A DIGITAL SERVICE Non-Final OA ServiceNow, Inc.
18978782 SYSTEMS AND METHODS FOR COMMUNICATIONS WITH EXPEDITED DATA TRANSFER Non-Final OA Meta Platforms Technologies, LLC

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