Prosecution Insights
Last updated: October 27, 2026

Irene C Khuu, USPTO Patent Examiner

Listed by the USPTO as KHUU, IRENE C

Tech Center 3600 • Art Units: 3664 3671

This examiner grants 42% of resolved cases

Analysis

Irene C. Khuu operates within Tech Center 3600 and Art Unit 3664, where she has managed 26 resolved cases. Her overall allowance rate is 42.3 percent. This baseline rate suggests a rigorous examination process for applicants in this art unit. The data indicates that conducting an interview is a highly effective strategy with this examiner. Her interview lift is 68.5 percent, which represents a significant increase in the probability of allowance following a direct discussion.

Practitioners should note the median days to allowance of 1129 when planning their prosecution timelines. Major entities appearing before this examiner include Kia Corporation, Toyota Motor Corporation, and Snap Inc. Legal representation is frequently provided by firms such as BakerHostetler, BANNER & WITCOFF, LTD., and Brooks Kushman P.C. These firms navigate a docket where the interview lift of 68.5 percent suggests that verbal advocacy is more impactful than written responses alone.

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

Performance Statistics

42.3%
Allow Rate
-9.7% vs TC avg
54
Total Applications
+68.5%
Interview Lift
1129
Avg Prosecution Days
Based on 26 resolved cases, 2023–2026

Rejection Statute Breakdown

13.9%
§101 Eligibility
8.4%
§102 Novelty
47.4%
§103 Obviousness
28.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18218040 METHOD OF DETERMINING ROUTE OF AUTOMATED GUIDED VEHICLE AND ROUTE DETERMINING SYSTEM OF AUTOMATED GUIDED VEHICLE FOR PERFORMING THE SAME Non-Final OA Samsung Display Co., LTD.
18596361 METHOD AND SYSTEM FOR ASSISTING THE PILOTING OF AN AIRCRAFT WITH A HEAD-UP DISPLAY Final Rejection AIRBUS HELICOPTERS
17689349 PREDICTIVE IMPLEMENT HEIGHT CONTROL Non-Final OA Deere & Company
19256526 VEHICLE DRIVER ASSISTANCE DEVICE, VEHICLE DRIVER ASSISTANCE METHOD, AND STORAGE MEDIUM Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18536951 REMOTELESS CONTROL OF DRONE BEHAVIOR Final Rejection Snap Inc.
19110237 CHARGER SEARCH DEVICE, CHARGER SEARCH METHOD, AND COMPUTER PROGRAM Non-Final OA HONDA MOTOR CO., LTD.
18527324 METHOD FOR REMOTELY CONTROLLING THE FLIGHT OF AN AIRCRAFT, AND ASSOCIATED COMMUNICATION MODULE Final Rejection THALES
19230968 APPARATUS AND METHOD FOR CONTROLLING A SEAT OF A VEHICLE Non-Final OA KIA CORPORATION
18994739 VEHICLE FOR PERFORMING MINIMAL RISK MANEUVER, AND VEHICLE OPERATION METHOD Non-Final OA Kia Corporation
18077851 System and Method for Updating High-Definition Maps for Autonomous Driving Final Rejection Kia Corporation
19102862 REMOTE DRIVING CONTROL OF VEHICLES ON GENERIC WORKPLACES Final Rejection Deutsche Telekom AG
18308332 SYSTEMS AND METHODS FOR CONTROLLING OPERATIONS OF MARINE VESSELS Final Rejection Navico, Inc.
18385482 Power Line Communication (PLC) Self-Test for Tractor-Trailers Final Rejection Bendix Commercial Vehicle Systems LLC

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Frequently Asked Questions

What is examiner Irene C Khuu's allowance rate?

42.3% of resolved applications examined by Irene C Khuu were allowed (26 resolved cases), compared with 74.4% across Art Unit 3664 over the last five years.

Does an interview help with examiner Irene C Khuu?

This examiner's interview lift is +68.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Irene C Khuu take to allow a patent?

Applications allowed by Irene C Khuu took 1,129 days on average from filing to allowance.

Which art unit does examiner Irene C Khuu work in?

Irene C Khuu examines applications in Art Unit 3664 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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