Prosecution Insights
Last updated: October 27, 2026

Kendrick X Liu, USPTO Patent Examiner

Listed by the USPTO as LIU, KENDRICK X

Tech Center 2800 • Art Units: 2853 2861

This examiner grants 78% of resolved cases

Analysis

Kendrick X Liu is an examiner in Tech Center 2800 and Art Unit 2853. The examiner has 915 resolved cases. The data shows an allowance rate of 78.1 percent for these matters. This volume of cases provides a baseline for evaluating prosecution outcomes in this specific administrative unit.

The interview lift for this examiner is 15.4 percent. This figure is lower than the 78.1 percent allowance rate. The median days to allowance is 939. This timeline reflects the duration from filing to a successful outcome for the 915 resolved cases. The 939 days to allowance represents the typical timeframe for reaching a grant in this art unit.

The examiner frequently interacts with major entities such as Fuji Electric Co., Ltd., Apple Inc., and Seiko Epson Corporation. Legal representation in these matters often involves firms like IPUSA, P.L.L.C, Alleman Hall LLP, and Anova Law Group, PLLC. These participants represent the primary corporate and legal environment for the examiner's work in Tech Center 2800.

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

Performance Statistics

78.1%
Allow Rate
+10.1% vs TC avg
942
Total Applications
+15.4%
Interview Lift
939
Avg Prosecution Days
Based on 915 resolved cases, 2023–2026

Rejection Statute Breakdown

1.1%
§101 Eligibility
24.3%
§102 Novelty
54.7%
§103 Obviousness
15.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18958442 DEGRADATION DIAGNOSIS SYSTEM, DEGRADATION DIAGNOSIS METHOD, AND POWER CONVERTER Non-Final OA FUJI ELECTRIC CO., LTD.
18755068 Electronic Devices With Optical Assembly Position Sensors Non-Final OA Apple Inc.
18982326 PRINTING APPARATUS Non-Final OA SEIKO EPSON CORPORATION
19082010 LIGHT SCANNING APPARATUS AND IMAGE FORMING APPARATUS Non-Final OA KYOCERA Document Solutions Inc.
18961890 METHOD FOR QUENCH DETECTION USING RF INTERROGATION OF COOLANT PERMITTIVITY Non-Final OA Ohio State Innovation Foundation
18993176 ESTIMATION DEVICE, DIAGNOSTIC DEVICE, ESTIMATION METHOD, ESTIMATION PROGRAM, AND DIAGNOSTIC METHOD Non-Final OA GS Yuasa International Ltd.
18418539 METHOD FOR OPERATING A PRINTING APPARATUS, PRINTING APPARATUS AND SOFTWARE PRODUCT Final Rejection Canon Production Printing Holding B.V.
18621569 Remote Electronic Field Monitor Final Rejection USA, AS REPRESENTED BY THE SECRETARY OF THE NAVY

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Frequently Asked Questions

What is examiner Kendrick X Liu's allowance rate?

78.1% of resolved applications examined by Kendrick X Liu were allowed (915 resolved cases), compared with 72.7% across Art Unit 2853 over the last five years.

Does an interview help with examiner Kendrick X Liu?

This examiner's interview lift is +15.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Kendrick X Liu take to allow a patent?

Applications allowed by Kendrick X Liu took 939 days on average from filing to allowance.

Which art unit does examiner Kendrick X Liu work in?

Kendrick X Liu examines applications in Art Unit 2853 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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