Prosecution Insights
Last updated: October 26, 2026

Tu Tu V Ho, USPTO Patent Examiner

Listed by the USPTO as HO, TU TU V

Tech Center 2800 • Art Units: 2811 2818

This examiner grants 94% of resolved cases

Analysis

HO, TU TU V has resolved 1368 cases in tech center 2800 and art unit 2811. The allowance rate is 93.6%, while interview lift is 5.2%. The recorded docket shows frequent allowance, with interviews associated with a modest positive effect rather than a dominant outcome driver.

The median time to allowance is 631 days. Applicants may therefore emphasize efficient written prosecution and use interviews for discrete issues. The recurring companies are Taiwan Semiconductor Manufacturing Company, Ltd., Samsung Display Co., Ltd., and Samsung Electronics Co., Ltd. The recurring firms are Eschweiler & Potashnik, LLC (TSMC), FISH & RICHARDSON P.C. (TC), and Womble Bond Dickinson US LLP. These participants provide relevant prosecution context.

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

Performance Statistics

93.6%
Allow Rate
+25.6% vs TC avg
1,403
Total Applications
+5.2%
Interview Lift
631
Avg Prosecution Days
Based on 1368 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
48.0%
§102 Novelty
39.8%
§103 Obviousness
3.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18789007 IMAGING UNIT AND IMAGING DEVICE Non-Final OA FUJIFILM Corporation
18786162 SEMICONDUCTOR DEVICE AND ELECTRONIC SYSTEM INCLUDING THE SAME Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18767199 INTEGRATED CIRCUIT DEVICES HAVING ENHANCED WIRING STRUCTURES THEREIN Non-Final OA Samsung Electronics Co., Ltd.
18733450 PACKAGE-ON-PACKAGE (POP) SEMICONDUCTOR PACKAGE AND ELECTRONIC SYSTEM INCLUDING THE SAME Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18802251 DISPLAY DEVICE Non-Final OA Samsung Display Co., LTD.
18760619 DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME Non-Final OA Samsung Display Co., LTD.
18615709 DISPLAY DEVICE AND REPAIR METHOD THEREOF Non-Final OA Samsung Display Co., LTD.
18510519 LIGHT EMITTING DISPLAY DEVICE Non-Final OA Samsung Display Co., Ltd.
18690054 DISPLAY APPARATUS AND METHOD OF FABRICATING DISPLAY APPARATUS Final Rejection BOE Technology Group Co., Ltd.
18652832 SEMICONDUCTOR DEVICE Non-Final OA ROHM CO., LTD.
18797189 DIE REPAIR PROCESS IN MICROLED DISPLAY FABRICATION Non-Final OA Applied Materials, Inc.
18786561 METHOD OF FORMING SEMICONDUCTOR DEVICES Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18778990 SPACER SCHEME AND METHOD FOR MRAM Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18774408 INTEGRATED CIRCUIT, SYSTEM AND METHOD OF FORMING THE SAME Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
18771815 SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING SAME Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
18768948 INTEGRATED CIRCUIT DEVICE AND INTEGRATED CIRCUIT LAYOUT Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
18757663 PACKAGE STRUCTURE WITH HEAT DISSIPATION STRUCTURE HAVING ONE OR MORE VAPOR CHAMBERS OVER IC CHIPS Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18486561 STRUCTURE AND METHOD FOR HIGH-VOLTAGE DEVICE Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
18785842 INTEGRATED CIRCUIT DEVICE Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
18785933 SEMICONDUCTOR DEVICE AND METHOD FOR DEFECT REDUCTION Non-Final OA Taiwan Semiconductor Manufacturing Co., Ltd.
18688117 SEMICONDUCTOR SUBSTRATE AND SEMICONDUCTOR THIN FILM DEPOSITION APPARATUS Final Rejection KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION

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Frequently Asked Questions

What is examiner Tu Tu V Ho's allowance rate?

93.6% of resolved applications examined by Tu Tu V Ho were allowed (1,368 resolved cases), compared with 72.2% across Art Unit 2811 over the last five years.

Does an interview help with examiner Tu Tu V Ho?

This examiner's interview lift is +5.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Tu Tu V Ho take to allow a patent?

Applications allowed by Tu Tu V Ho took 631 days on average from filing to allowance.

Which art unit does examiner Tu Tu V Ho work in?

Tu Tu V Ho examines applications in Art Unit 2811 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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