Prosecution Insights
Last updated: October 26, 2026

Tien C Nguyen, USPTO Patent Examiner

Listed by the USPTO as NGUYEN, TIEN C

Tech Center 3600 • Art Units: 3694 3697

This examiner grants 68% of resolved cases

Analysis

NGUYEN, TIEN C works in USPTO Technology Center 3600, art unit 3694. The record covers 667 resolved cases, with an allowance rate of 68.1%. The median time to allowance is 1054 days. Interview lift is 19.0%, showing that interviews are associated with improved allowance outcomes in the recorded matters.

The listed companies are State Farm Mutual Automobile Insurance Company, Allstate Insurance Company, and U.S. Bancorp. The listed firms are Ferguson Braswell Fraser Kubasta PC, FOLEY & LARDNER LLP, and Hovey Williams LLP. The allowance rate indicates that applicants may encounter meaningful examination barriers, so claim differentiation and evidentiary support remain important. The interview result supports using examiner discussions to clarify disputed limitations and focus later written submissions. The median timing calls for advance scheduling and continued docket monitoring, particularly for portfolios where prosecution timing affects business or regulatory decisions.

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

Performance Statistics

68.1%
Allow Rate
+16.1% vs TC avg
698
Total Applications
+19.0%
Interview Lift
1054
Avg Prosecution Days
Based on 667 resolved cases, 2023–2026

Rejection Statute Breakdown

41.9%
§101 Eligibility
9.3%
§102 Novelty
27.0%
§103 Obviousness
8.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18975723 Technology for Analyzing Previous Vehicle Usage to Identify Customer Opportunities Non-Final OA STATE FARM MUTUAL AUTOMOBILE INSURANCE COMPANY
18732583 INSURANCE UNDERWRITING AND RE-UNDERWRITING IMPLEMENTING UNMANNED AERIAL VEHICLES (UAVS) Non-Final OA STATE FARM MUTUAL AUTOMOBILE INSURANCE COMPANY
18657952 SYSTEM AND METHOD FOR PROCESSING AND STORING GLOBAL PAYMENT DATA Final Rejection Mastercard International Incorporated
18836540 COMPUTER SYSTEM AND METHOD OF PLANNING COUNTERMEASURE Non-Final OA Hitachi, Ltd.

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Frequently Asked Questions

What is examiner Tien C Nguyen's allowance rate?

68.1% of resolved applications examined by Tien C Nguyen were allowed (667 resolved cases), compared with 42.9% across Art Unit 3694 over the last five years.

Does an interview help with examiner Tien C Nguyen?

This examiner's interview lift is +19.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Tien C Nguyen take to allow a patent?

Applications allowed by Tien C Nguyen took 1,054 days on average from filing to allowance.

Which art unit does examiner Tien C Nguyen work in?

Tien C Nguyen examines applications in Art Unit 3694 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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