Prosecution Insights
Last updated: October 27, 2026

David Z Huang, USPTO Patent Examiner

Listed by the USPTO as HUANG, DAVID Z

Tech Center 2800 • Art Units: 2855 2856 2861

This examiner grants 80% of resolved cases

Analysis

HUANG, DAVID Z works in Tech Center 2800 and Art Unit 2855. The record includes 713 resolved cases, an allowance rate of 80.4%, and a median of 906 days to allowance. Interviews show a lift of 13.2%, so the profile supports considering examiner discussion as one element of a broader response strategy.

The listed companies are Samsung Electronics Co., Ltd., Safran S.A., and Seiko Epson Corporation. SUGHRUE MION, PLLC, Barley Snyder, and BIRCH STEWART KOLASCH & BIRCH, LLP are the listed firms. Applicants can use the established prosecution record to calibrate amendment timing and decide when direct engagement may be worthwhile.

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

Performance Statistics

80.4%
Allow Rate
+12.4% vs TC avg
746
Total Applications
+13.2%
Interview Lift
906
Avg Prosecution Days
Based on 713 resolved cases, 2023–2026

Rejection Statute Breakdown

2.5%
§101 Eligibility
14.8%
§102 Novelty
47.4%
§103 Obviousness
29.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18863739 TACHOMETER FOR AN AIRCRAFT WHEEL Non-Final OA SAFRAN LANDING SYSTEMS
18666229 TWO-DIMENSIONAL PRESSURE SENSOR AND TWO-DIMENSIONAL PRESSURE SENSOR ARRAY Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18904550 Sensor Module, Measurement System, And Vehicle Non-Final OA SEIKO EPSON CORPORATION
18990957 APPARATUS FOR ESTIMATING RECHARGEABLE BATTERY PERFORMANCE ACCORDING TO ELECTRODE STRUCTURE AND METHOD THEREOF Non-Final OA LG ENERGY SOLUTION, LTD.
18851296 PRESSURE MEASURING MODULE FOR A PNEUMATIC DEVICE OF A VEHICLE Non-Final OA ZF CV Systems Europe BV
18894256 SENSOR MEMBER AND METHOD FOR MANUFACTURING SENSOR MEMBER Non-Final OA Sumitomo Wiring Systems, Ltd.
18658446 INSPECTING INTERNAL POWERPLANT COMPONENT USING INSPECTION SCOPE Non-Final OA RTX Corporation
18694492 ANALYTICAL SYSTEM AND METHOD Final Rejection Hitachi High-Tech Corporation
18972502 FLOATING PLATFORM SYSTEM FOR MECHANICAL TESTING OF GELS AND TISSUES Non-Final OA The Regents of the University of Colorado, a body corporate
18864941 TORQUE SENSOR Non-Final OA MINEBEA MITSUMI Inc.
18936993 TRANSISTOR CHANNEL STRESS AND MOBILITY METROLOGY USING MULTIPASS SPECTROSCOPIC ELLIPSOMETRY AND RAMAN JOINT MEASUREMENT Non-Final OA KLA CORPORATION

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Who Appears Before This Examiner

Top companies before this examiner

Law firms appearing most often

Frequently Asked Questions

What is examiner David Z Huang's allowance rate?

80.4% of resolved applications examined by David Z Huang were allowed (713 resolved cases), compared with 76.8% across Art Unit 2855 over the last five years.

Does an interview help with examiner David Z Huang?

This examiner's interview lift is +13.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner David Z Huang take to allow a patent?

Applications allowed by David Z Huang took 906 days on average from filing to allowance.

Which art unit does examiner David Z Huang work in?

David Z Huang examines applications in Art Unit 2855 in Tech Center 2800 (Semiconductors, Circuits & Optics).

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month