Prosecution Insights
Last updated: October 27, 2026

Phong X Nguyen, USPTO Patent Examiner

Listed by the USPTO as NGUYEN, PHONG X

Tech Center 2600 • Art Units: 2613 2617 2618 2628 2679

This examiner grants 75% of resolved cases

Analysis

Phong X. Nguyen serves in Tech Center 2600 and Art Unit 2613, where they have handled 406 resolved cases. The examiner has an allowance rate of 75.4 percent. This indicates a favorable prosecution environment where three-quarters of applications reaching a final disposition result in a grant.

The interview lift of 24.0 percent is a key data point for practitioners. It suggests that conducting an interview with the examiner significantly increases the probability of allowance. For cases facing rejections, this direct communication can be a decisive factor in overcoming obstacles and securing a patent. The median days to allowance is 1026, representing a typical timeframe for the prosecution cycle.

Major technology companies such as Apple Inc., Beijing Zitiao Network Technology Co., Ltd., and Panasonic Holdings Corporation are frequently found in this examiner's docket. These applicants often utilize the services of firms like AMPACC Law Group, PLLC, CKC & Partners Co., LLC, and OLIFF PLC. The data underscores the value of interviews in achieving successful outcomes and navigating the examination process effectively.

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

Performance Statistics

75.4%
Allow Rate
+13.4% vs TC avg
428
Total Applications
+24.0%
Interview Lift
1026
Avg Prosecution Days
Based on 406 resolved cases, 2023–2026

Rejection Statute Breakdown

9.7%
§101 Eligibility
12.6%
§102 Novelty
58.0%
§103 Obviousness
17.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18983743 LOCATION-BASED VIRTUAL ELEMENT MODALITY IN THREE-DIMENSIONAL CONTENT Non-Final OA Apple Inc.
19040339 METHOD, APPARATUS, ELECTRONIC DEVICE, AND STORAGE MEDIUM FOR MODEL INSTRUCTION PROCESSING Non-Final OA Beijing Zitiao Network Technology Co., Ltd.
19004847 SYSTEMS AND METHODS FOR TREATMENT PLANNING WITH TOOTH MASS ANALYSIS Non-Final OA Align Technology, Inc.
19028035 SIGNALING IMPROVED DETAILED DEVICE CAPABILITIES FOR 5G MIXED REALITY APPLICATIONS AND SERVICES Non-Final OA TENCENT AMERICA LLC
19084327 META-SPACE GENERATION METHOD BASED ON USER SPACE ALIGNMENT IN METAVERSE AND APPARATUS FOR THE SAME Non-Final OA ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
18448177 DISPLAY CONTROL CHIP, OPERATING METHOD THEREOF AND DISPLAY SYSTEM COMPRISING THE SAME Final Rejection Realtek Semiconductor Corporation

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Frequently Asked Questions

What is examiner Phong X Nguyen's allowance rate?

75.4% of resolved applications examined by Phong X Nguyen were allowed (406 resolved cases), compared with 68.8% across Art Unit 2613 over the last five years.

Does an interview help with examiner Phong X Nguyen?

This examiner's interview lift is +24.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Phong X Nguyen take to allow a patent?

Applications allowed by Phong X Nguyen took 1,026 days on average from filing to allowance.

Which art unit does examiner Phong X Nguyen work in?

Phong X Nguyen examines applications in Art Unit 2613 in Tech Center 2600 (Communications).

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