Listed by the USPTO as CHANG, CHARLES S
Tech Center 2800 • Art Units: 1763 2871 2881 2883
This examiner grants 78% of resolved cases
CHANG, CHARLES S has 1035 resolved cases, an allowance rate of 78.3%, and a median of 970 days to allowance. The profile is assigned to Tech Center 2800 and art unit 1763. The 17.8% interview lift indicates a positive measured relationship in a substantial record.
The listed companies are Innolux Corporation, Samsung Electronics Co., Ltd., and Canon Inc. Muncy, Geissler, Olds & Lowe, P.C., ARENTFOX SCHIFF LLP - New York, and BIRCH STEWART KOLASCH & BIRCH, LLP are the leading listed firms. The company mix supports using display and imaging matters as reference points for prosecution preparation.
| App # | Title | Status | Assignee |
|---|---|---|---|
| 18774068 | WAVELENGTH SELECTIVE SWITCH | Final Rejection | FUJIFILM Corporation |
| 18797113 | DISPLAY APPARATUS AND BACKLIGHT UNIT | Final Rejection | SAMSUNG ELECTRONICS CO., LTD. |
| 18915887 | ZOOM LENS AND IMAGE CAPTURING APPARATUS INCLUDING THE SAME | Non-Final OA | CANON KABUSHIKI KAISHA |
| 18695004 | ARRAY SUBSTRATE, TESTING METHOD THEREFOR, AND DISPLAY APPARATUS | Non-Final OA | BOE Technology Group Co., Ltd. |
| 18884421 | OPTICAL SYSTEM | Non-Final OA | TDK TAIWAN CORP. |
| 18974989 | ELECTRONIC DEVICE | Non-Final OA | InnoLux Corporation |
| 18975609 | ELECTRONIC DEVICE | Non-Final OA | InnoLux Corporation |
| 18972326 | ELECTRONIC DEVICE AND MANUFACTURING METHOD THEREOF | Non-Final OA | InnoLux Corporation |
| 18961477 | LIGHT EMITTING DEVICE | Non-Final OA | Innolux Corporation |
| 18171944 | GEOMETRICAL WAVEGUIDE WITH PARTIAL-COVERAGE BEAM SPLITTERS | Non-Final OA | Meta Platforms Technologies, LLC |
| 19067186 | POLARIZER, METHOD OF MANUFACTURING POLARIZER, AND OPTICAL DEVICE | Non-Final OA | Dexerials Corporation |
IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.
Build Your Strategy78.3% of resolved applications examined by Charles S Chang were allowed (1,035 resolved cases), compared with 59.0% across Art Unit 1763 over the last five years.
This examiner's interview lift is +17.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.
Applications allowed by Charles S Chang took 970 days on average from filing to allowance.
Charles S Chang examines applications in Art Unit 1763 in Tech Center 2800 (Semiconductors, Circuits & Optics).
