Listed by the USPTO as CHANG, JOSEPH
Tech Center 2800 • Art Units: 2817 2836 2842 2843 2845 2849
This examiner grants 90% of resolved cases
CHANG, JOSEPH is assigned to tech center 2800 and art unit 2817. The profile covers 1193 resolved cases, with an 89.8% allowance rate and a median of 709 days to allowance. The high allowance rate and the recorded pendency provide useful context for applicants evaluating prosecution expectations in this docket.
Interviews are associated with a 3.9% allowance-rate lift, a smaller effect than the profile’s overall allowance result. The principal companies listed are Huawei Technologies, Texas Instruments, and LG Electronics. The leading firms are NIXON & VANDERHYE, Bryan Cave Leighton Paisner, and GATES & COOPER. These recurring participants may offer practical signals about the technologies and prosecution approaches appearing most often in this examiner’s cases.
| App # | Title | Status | Assignee |
|---|---|---|---|
| 19248397 | WIRELESS POWER TRANSMISSION APPARATUS, WIRELESS POWER TRANSMISSION METHOD, WIRELESS POWER RECEPTION APPARATUS, AND WIRELESS POWER RECEPTION METHOD | Final Rejection | LG ELECTRONICS INC. |
| 19239889 | VARIABLE-SPEED PHASE INTERPOLATOR | Non-Final OA | Samsung Electronics Co., Ltd. |
| 19222522 | RING OSCILLATOR AND COMMUNICATION APPARATUS | Final Rejection | HUAWEI TECHNOLOGIES CO., LTD. |
| 18949939 | WIRELESS POWER RECEIVER ARRANGEMENT WITH PLANAR INDUCTOR ARRANGEMENT AND RECONFIGURABLE SWITCHING NETWORK | Non-Final OA | Huawei Digital Power Technologies Co., Ltd. |
| 19272985 | OSCILLATOR FREQUENCY BASED ON MOBILITY AND PTAT TEMPERATURE COMPENSATION | Non-Final OA | TEXAS INSTRUMENTS INCORPORATED |
| 19238783 | Reducing Target Frequency Variation In Oscillator | Non-Final OA | Texas Instruments Incorporated |
| 18341357 | WIRELESS CHARGING PAD | Non-Final OA | International Business Machines Corporation |
IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.
Build Your Strategy89.8% of resolved applications examined by Joseph Chang were allowed (1,193 resolved cases), compared with 81.7% across Art Unit 2817 over the last five years.
This examiner's interview lift is +3.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.
Applications allowed by Joseph Chang took 709 days on average from filing to allowance.
Joseph Chang examines applications in Art Unit 2817 in Tech Center 2800 (Semiconductors, Circuits & Optics).