Prosecution Insights
Last updated: October 27, 2026

Ruolei Zong, USPTO Patent Examiner

Listed by the USPTO as ZONG, RUOLEI

Tech Center 2400 • Art Units: 2441 2447 2449

This examiner grants 87% of resolved cases

Analysis

ZONG, RUOLEI is assigned to Tech Center 2400 and Art Unit 2441. The record includes 955 resolved cases and an allowance rate of 86.9%. The median time to allowance is 847 days, giving applicants a defined reference for prosecution scheduling and portfolio planning.

The interview lift is 12.1%, indicating a modest association with allowance outcomes. Practitioners may use interviews to clarify claim scope, while relying on focused written responses to establish the substantive prosecution record. The represented companies are InterDigital Inc., Snap Inc., and Orange. The listed firms are C. Tumey Law Group PLLC, FOLEY & LARDNER LLP, and LEX IP MEISTER, PLLC.

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
975
Total Applications
+12.1%
Interview Lift
847
Avg Prosecution Days
Based on 955 resolved cases, 2023–2026

Rejection Statute Breakdown

13.4%
§101 Eligibility
5.4%
§102 Novelty
47.4%
§103 Obviousness
17.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19207724 CUSTOMIZED DIGITAL AVATAR ACCESSORIES Non-Final OA Snap Inc.
19209133 Subscription and notification methods, and entities configured for implementing these methods Non-Final OA ORANGE
19198893 METHOD FOR RESERVATION-BASED SENSING AND COMMUNICATION SYSTEM PROVIDING THE SAME Non-Final OA Electronics and Telecommunications Research Institute
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 Non-Final OA Interdigital Patent Holdings, Inc.
18978782 SYSTEMS AND METHODS FOR COMMUNICATIONS WITH EXPEDITED DATA TRANSFER Non-Final OA Meta Platforms Technologies, LLC

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Frequently Asked Questions

What is examiner Ruolei Zong's allowance rate?

86.9% of resolved applications examined by Ruolei Zong were allowed (955 resolved cases), compared with 75.7% across Art Unit 2441 over the last five years.

Does an interview help with examiner Ruolei Zong?

This examiner's interview lift is +12.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Ruolei Zong take to allow a patent?

Applications allowed by Ruolei Zong took 847 days on average from filing to allowance.

Which art unit does examiner Ruolei Zong work in?

Ruolei Zong examines applications in Art Unit 2441 in Tech Center 2400 (Networking & Security).

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