Prosecution Insights
Last updated: October 02, 2026

Examiner: TRUONG, THONG P

Tech Center 2400 • Art Units: 2122 2432 2433 2437 2446

This examiner grants 82% of resolved cases

Analysis

Thong P. Truong, working in Art Unit 2122 within Tech Center 2400, has resolved 498 cases. The data shows an allowance rate of 82.3%, indicating a strong likelihood of patent issuance for applications assigned to him. However, the median time to allowance is 1319 days, which suggests a longer duration for the prosecution process compared to other units in the same tech center.

The interview lift of 15.1% provides a clear tactical advantage for practitioners. By conducting an interview, applicants may further improve the 82.3% allowance rate. This lift is particularly relevant given the 1319 days required for the median allowance, as it may help resolve issues in a more efficient manner during the 498 cases handled. Direct engagement is a recommended strategy to navigate the complexities of Art Unit 2122.

The 1319-day median pendency is a critical factor for managing expectations regarding the timeline to grant. While the 82.3% allowance rate is high, the process requires patience. The 15.1% interview lift suggests that the examiner is receptive to verbal arguments, which could be essential for overcoming rejections and securing a patent in Tech Center 2400.

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

Performance Statistics

82.3%
Allow Rate
+24.3% vs TC avg
515
Total Applications
+15.1%
Interview Lift
1319
Avg Prosecution Days
Based on 498 resolved cases, 2023–2026

Rejection Statute Breakdown

10.9%
§101 Eligibility
23.9%
§102 Novelty
52.8%
§103 Obviousness
8.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18920277 METHOD AND APPARATUS WITH ACCESS AUTHORITY MANAGEMENT Non-Final OA Samsung Electronics Co., Ltd.
18834996 TECHNOLOGIES FOR INTERNET PROTOCOL MULTIMEDIA SUBSYSTEM SECURITY Non-Final OA Apple Inc.
19229111 SYSTEMS AND METHODS FOR PROVIDING ENHANCED MULTI-LAYERED SECURITY WITH ENCRYPTION MODELS THAT IMPROVE ZERO-TRUST ARCHITECTURES Non-Final OA Verizon Patent and Licensing Inc.
18947986 METHOD AND SYSTEM FOR AUTOMATICALLY GENERATING MALWARE SIGNATURE Non-Final OA Palo Alto Networks, Inc.
18257363 ACCESS TOKEN HANDLING FOR INDIRECT COMMUNICATION Non-Final OA NOKIA TECHNOLOGIES OY
18057382 FILE ACCESS BASED ON DIGITAL PRECENSE Final Rejection INTERNATIONAL BUSINESS MACHINES CORPORATION
15702102 SYSTEM AND METHOD FOR PROVIDING SERVICES Final Rejection Comcast Cable Communications, LLC
19200431 APPLICATION LAYER CHARACTERIZATION OF ENCRYPTED TRANSPORT PROTOCOL Non-Final OA Hughes Network Systems, LLC

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