Prosecution Insights
Prosecution Insights
Tech Center 2800 • Art Units: 1763 2871 2881 2883
This examiner grants 78% of resolved cases
Charles S Chang is an examiner in Tech Center 2800 and Art Unit 1763. The examiner has 1030 resolved cases. This volume of resolutions provides a basis for analyzing the examiner's prosecution patterns. The data offers a view of how applications are examined within this specific technical unit and the examiner's consistency in decision-making over time.
The allowance rate is 78.3 percent. This percentage shows the frequency of grants for applications that reach a final resolution with this examiner. The median days to allowance is 971. This figure indicates the time from filing to the grant of a patent. Practitioners can use this duration to estimate the timeline for their own applications and manage client expectations regarding the prosecution phase.
The interview lift is 17.7 percent. This metric indicates that an interview is associated with an increase in the probability of an allowance. The positive lift suggests that verbal communication is an effective method for resolving rejections with this examiner. Applicants might prioritize scheduling an interview to address the examiner's concerns and potentially accelerate the path to a patent grant.
| App # | Title | Status | Assignee |
|---|---|---|---|
| 18797113 | DISPLAY APPARATUS AND BACKLIGHT UNIT | Final Rejection | SAMSUNG ELECTRONICS CO., LTD. |
| 18695004 | ARRAY SUBSTRATE, TESTING METHOD THEREFOR, AND DISPLAY APPARATUS | Non-Final OA | BOE Technology Group Co., Ltd. |
| 18774068 | WAVELENGTH SELECTIVE SWITCH | Final Rejection | FUJIFILM Corporation |
| 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 |
| 18915887 | ZOOM LENS AND IMAGE CAPTURING APPARATUS INCLUDING THE SAME | Non-Final OA | CANON KABUSHIKI KAISHA |
| 18884421 | OPTICAL SYSTEM | Non-Final OA | TDK TAIWAN CORP. |
| 18627999 | OPTICAL ELEMENT DRIVING MECHANISM | Final Rejection | Actutek Corporation |
| 18268329 | AIR FLOATING VIDEO DISPLAY APPARATUS | Non-Final OA | Maxell, Ltd. |
| 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 |
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