Prosecution Insights
Last updated: October 27, 2026

Cindy Nguyen, USPTO Patent Examiner

Listed by the USPTO as NGUYEN, CINDY

Tech Center 2100 • Art Units: 2156 2161

This examiner grants 78% of resolved cases

Analysis

NGUYEN, CINDY works in Technology Center 2100 and Art Unit 2156. The profile covers 704 resolved cases and reports a 78.4% allowance rate. This indicates a generally favorable path to allowance across a substantial record. The median time to allowance is 1151 days, so applicants should account for a lengthy prosecution horizon when evaluating portfolio timing and continuation needs.

The interview lift is 9.1%, indicating a modest association with improved allowance outcomes. Counsel may use interviews for targeted clarification while preserving emphasis on written claim amendments and supporting arguments. The leading companies are Google LLC, Rapidsos Inc., and Datcard Systems Inc. The leading firms are Artegis Law Group, LLP, NSIP LAW, and One LLP. These filing patterns offer context for practitioners handling similar technology areas.

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

Performance Statistics

78.4%
Allow Rate
+23.4% vs TC avg
719
Total Applications
+9.1%
Interview Lift
1151
Avg Prosecution Days
Based on 704 resolved cases, 2023–2026

Rejection Statute Breakdown

16.9%
§101 Eligibility
20.6%
§102 Novelty
47.9%
§103 Obviousness
4.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19255969 PROVIDING GENERATIVE ANSWERS INCLUDING CITATIONS TO SOURCE DOCUMENTS Final Rejection Google LLC
18507705 METHOD AND DEVICE FOR DETERMINING SIMILARITY OF PROGRAMMING CODES BASED ON CROSS-VALIDATION ENSEMBLE AND FILTERING STRATEGY Non-Final OA KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION

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Who Appears Before This Examiner

Top companies before this examiner

Law firms appearing most often

Frequently Asked Questions

What is examiner Cindy Nguyen's allowance rate?

78.4% of resolved applications examined by Cindy Nguyen were allowed (704 resolved cases), compared with 57.7% across Art Unit 2156 over the last five years.

Does an interview help with examiner Cindy Nguyen?

This examiner's interview lift is +9.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Cindy Nguyen take to allow a patent?

Applications allowed by Cindy Nguyen took 1,151 days on average from filing to allowance.

Which art unit does examiner Cindy Nguyen work in?

Cindy Nguyen examines applications in Art Unit 2156 in Tech Center 2100 (Computing & Software).

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