Listed by the USPTO as CHANG, HANWAY
Tech Center 2800 • Art Units: 2872 2878 2881
This examiner grants 86% of resolved cases
CHANG, HANWAY has 679 resolved cases, with an 86.2% allowance rate and a median of 810 days to allowance. The profile is assigned to Tech Center 2800 and art unit 2872. The 7.7% interview lift is positive but modest in the available record.
The listed companies are Taiwan Semiconductor Manufacturing Company, Ltd., LG Electronics Inc., and Neuboron Therapy System Ltd. Studebaker Brackett PLLC, ARENTFOX SCHIFF LLP, and CROWELL & MORING LLP are the leading listed firms. The allowance rate and timing provide useful planning context, while the interview figure supports a selective rather than automatic interview strategy.
| App # | Title | Status | Assignee |
|---|---|---|---|
| 18795274 | AIR CONDITIONER | Non-Final OA | LG ELECTRONICS INC. |
| 18274047 | Lamella Mounting Method, and Analysis System | Non-Final OA | Hitachi High-Tech Corporation |
| 18788380 | CONTROL OF DYNAMIC GAS LOCK FLOW INLETS OF AN INTERMEDIATE FOCUS CAP | Non-Final OA | Taiwan Semiconductor Manufacturing Company, Ltd. |
| 18781435 | EUV LITHOGRAPHY APPARATUS | Non-Final OA | Taiwan Semiconductor Manufacturing Company, Ltd. |
| 18776833 | METHOD AND APPARATUS FOR MITIGATING CONTAMINATION | Non-Final OA | Taiwan Semiconductor Manufacturing Company, Ltd. |
| 18787736 | LITHOGRAPHY THERMAL CONTROL | Non-Final OA | Taiwan Semiconductor Manufacturing Co., Ltd. |
IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.
Build Your Strategy86.2% of resolved applications examined by Hanway Chang were allowed (679 resolved cases), compared with 64.9% across Art Unit 2872 over the last five years.
This examiner's interview lift is +7.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.
Applications allowed by Hanway Chang took 810 days on average from filing to allowance.
Hanway Chang examines applications in Art Unit 2872 in Tech Center 2800 (Semiconductors, Circuits & Optics).