Listed by the USPTO as CHANG, DANIEL CHEOLJIN
Tech Center 2600 • Art Units: 2669
This examiner grants 88% of resolved cases
Daniel Cheoljin Chang serves in Art Unit 2669 within Tech Center 2600 and has 153 resolved cases. The examiner maintains an allowance rate of 88.2 percent. This percentage indicates the proportion of applications that reach a grant. Practitioners can use this rate to evaluate the likelihood of success for cases assigned to this examiner.
The data reveals an interview lift of 14.4 percent. This metric shows the increase in the allowance rate when an interview is held between the practitioner and the examiner. The median days to allowance is 890. This pendency figure serves as a benchmark for estimating the time required to reach a grant. This duration is a key consideration for applicants planning their intellectual property timelines.
Samsung Electronics Co., Ltd. and Canon Inc. are top companies in this examiner's caseload. Qualcomm Incorporated also appears frequently in the records. Legal representation is often provided by firms such as AMPACC Law Group, PLLC and Bookoff McAndrews, PLLC. GREENBERG TRAURIG, LLP (BOS) is also listed as a top firm for these 153 resolved cases. These statistics provide a clear view of the examiner's historical performance.
| App # | Title | Status | Assignee |
|---|---|---|---|
| 18670139 | IMAGE AND VIDEO CLASSIFICATION | Final Rejection | SAMSUNG ELECTRONICS CO., LTD |
| 18966821 | IMAGE PROCESSING APPARATUS, IMAGE PICKUP APPARATUS, IMAGE PROCESSING METHOD, AND STORAGE MEDIUM | Non-Final OA | CANON KABUSHIKI KAISHA |
| 18481050 | SCALING FOR DEPTH ESTIMATION | Non-Final OA | QUALCOMM Incorporated |
| 19018708 | SYSTEMS AND METHODS FOR RECONSTRUCTING OBJECTS USING TRANSITIONAL IMAGES | Non-Final OA | BNSF Railway Company |
| 18657646 | IMAGE PROCESSING AND ARTIFICIAL INTELLIGENCE TECHNIQUES FOR ANNULOPLASTY RING DETERMINATIONS | Final Rejection | EDWARDS LIFESCIENCES CORPORATION |
| 18927754 | PERCEPTION UNCERTAINTY | Non-Final OA | Five AI Limited |
IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.
Build Your Strategy88.2% of resolved applications examined by Daniel Cheoljin Chang were allowed (153 resolved cases), compared with 71.2% across Art Unit 2669 over the last five years.
This examiner's interview lift is +14.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.
Applications allowed by Daniel Cheoljin Chang took 890 days on average from filing to allowance.
Daniel Cheoljin Chang examines applications in Art Unit 2669 in Tech Center 2600 (Communications).
